JP3103506B2 - Playback device for disk-shaped record carrier - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disk autochanger device capable of holding a plurality of disk-shaped record carriers such as a compact disk (hereinafter abbreviated as "CD") and selectively reproducing an arbitrary one. The present invention relates to an apparatus for reproducing a disc-shaped record carrier.

[0002]

2. Description of the Related Art Conventionally, a plurality of CDs have been stored in a magazine, and the magazines have been stored in a reproducing / recording apparatus together with a CD.
Audio devices and navigation devices having an autochanger function for reading out music information recorded on a CD-ROM or map information recorded on a CD-ROM are widely used for vehicles. For in-vehicle playback / recording devices,
There is a limit to the size of the device that can be operably mounted in the vehicle compartment, so that a large number of devices cannot be stored. It has also been considered that a mechanism for storing and exchanging a CD is installed at a position distant from a vehicle room such as a trunk room, and only a portion necessary for an operation is minimally arranged in the vehicle room. However, when the autochanger device is disposed outside the cabin, it is not possible to exchange a stored CD at all while the vehicle is running.

FIG. 50 shows a prior art of an in-vehicle autochanger device capable of storing a plurality of CDs in a vehicle cabin. FIG.
0 (a) is a simplified front sectional view, and (b) is a simplified plan sectional view. Autochanger device 1
The magazine 3 can be inserted and ejected from an opening provided on the front side of the housing 2. A plurality of CDs 4 can be accommodated in the magazine 3, and one of the CDs 4 is optically reproduced while information is recorded while being rotationally driven using a pickup (hereinafter abbreviated as “PU”) unit 5. I do. The PU unit 5 is mounted on a gantry 6 and can advance and retreat to a position of a CD 4 to be selected in the magazine 3. The gantry 6 is connected to the magazine 3 through the opening in the front of the housing 2.
Is disposed on one side of the housing 2 so as not to hinder insertion and ejection of the. In-vehicle autochanger device 1
In this configuration, a floating mechanism 7 is provided for resiliently bringing the gantry 6 into a floating state by a spring so that external vibration is not applied to the gantry 6.

In order to select a CD 4 stored in the magazine 3 and mount it on the PU unit 5, the stored CD 4
Requires a space on at least one surface side where the PU unit 5 can be inserted. In order to insert the PU unit 5 in the magazine 3 and select the CD 4 to be played, the selected CD
In order to adjust the height of the magazine 4 to the height of the PU unit 5, the magazine 3 needs to be moved up and down as a whole. Also,
P for any of a plurality of CDs 4 stored in the magazine 3
By providing a space in which the U unit 5 can be inserted, if the thickness of the magazine 3 is limited,
Magazine 3 can be divided into upper and lower parts, and the C to be reproduced by the PU unit 5
A space can be formed only on one side of D4. In order to perform such vertical displacement and division of the magazine 3, a vertical dividing mechanism 8 is provided. The elevating / dividing mechanism 8 is provided on the side of the housing 2. An electronic circuit board 9 for processing information reproduced by the PU unit 5 and controlling each mechanism of the autochanger device 1 is disposed behind the housing 2.

[0005]

In a magazine type autochanger apparatus 1 as shown in FIG. 50, a plurality of C
It is necessary to insert and eject the CD 4 into and from the housing 2 using the magazine 3 in which the D 4 can be stored. For this reason,
Even when only one CD 4 is exchanged, it is necessary to take out the magazine 3 from the autochanger device 1, exchange the CD in the magazine 3, and insert the magazine 3 into the housing 2 again, which is troublesome. Further, since the magazine 3 is taken out of the housing 2, robustness is required when the magazine 3 is taken out, and an arbitrary C is inserted when the magazine 3 is inserted into the housing 2.
It is necessary to be able to divide at the D storage position. The magazine 3 that satisfies such requirements has a considerably complicated structure and a large weight. Further, a magazine 3 taken out of the housing 2
It is also necessary to incorporate a mechanism for securely holding the CD 4 housed inside. For this reason, the interval between the CDs 4 to be stored cannot be made too small. Further, the elevating and lowering mechanism 8 needs to be displaced up and down in accordance with the position of the PU unit 5 to select the CD 4 and to separate the magazine 3 at the position of the selected CD 4 to form a space for inserting the PU unit 5. Therefore, the height of the magazine 3 must be considerably smaller than the height of the housing 2. For this reason, in the in-vehicle autochanger device 1, the magazine 3 that can be stored in the housing 2, which has a limited height to be mounted on a console box or the like in the vehicle compartment, has a small number of CDs that can be stored as a CD 4, and is about three. turn into.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a reproducing apparatus for a disc-shaped record carrier which can individually insert and eject a disc-shaped record carrier such as a CD, and can store a large number of small-sized disc-shaped record carriers.

[0007]

According to the present invention, there is provided a housing having an opening through which a disc-shaped record carrier is individually inserted or ejected, a storage means for accommodating a plurality of record carriers and being separable, Transport means for transporting the record carrier between the opening and the storage means, and a reproduction means capable of moving forward and backward with respect to the space enlarged by the division of the storage means, and reproducing the record carrier. The storage means has a holding portion for holding an outer peripheral portion of the record carrier inserted from a predetermined direction, the record carrier is pulled out from the storage means in a direction opposite to the insertion direction by retreating the reproduction means, A playback device for a disk-shaped record carrier, wherein the holding is released. According to the invention, the disc-shaped record carriers are individually inserted or ejected through the opening of the housing. The plurality of record carriers are stored in storage means. The transport means transports the record carrier between the opening and the storage means. The storage means can be divided, and the reproducing means can advance and retreat in the space enlarged by the division. Since the storage means can expand the space for the advance and retreat of the reproduction means, the space only for storing the record carrier can be kept small. Further, since the transporting means and the reproducing means are arranged vertically, the space in the housing can be effectively used, and the size can be further reduced. Further, the holding portion of the storage means can hold the outer periphery of the record carrier only by inserting the record carrier from a predetermined direction, and can release the hold by pulling out the record carrier in a direction opposite to the predetermined direction. The space required for the holding portion of the record carrier by the holding portion can be reduced, and a large number of record carriers can be stored in the small storage means.

Further, the present invention relates to a disc-shaped record carrier reproducing apparatus capable of accommodating a plurality of disc-shaped record carriers in a housing, comprising: a divisible storage means having a holding portion for holding the record carrier; Reproducing means capable of advancing and retreating with respect to the space expanded by the division of the storage means, mounting means provided on the reproduction means for mounting the record carrier, and divided space of the storage means during reproduction. After the recording medium is mounted on the mounting means, the reproducing means is retracted, the holding of the recording medium by the holding section of the storing means is released, and the reproduction or recording of the recording medium is performed. And a control unit for performing the above operation. According to the present invention, the storage unit that can be divided is provided with a holding unit, and can hold a plurality of disk-shaped record carriers. In the space where the storage means is divided and expanded, the reproduction means can advance and retreat. The control means, at the time of reproduction, advance the reproduction means to the space enlarged by the division, release the holding by the holding unit by mounting the record carrier to the mounting means,
Since the reproduction means is retracted to reproduce or record the record carrier, the space required for moving the storage means and the reproduction means can be reduced, and the miniaturization can be achieved.

Further, the present invention provides a disk-shaped record carrier in which a plurality of disk-shaped record carriers having a center hole can be individually inserted or ejected from an opening of a casing, and a plurality of record carriers can be stored inside the casing. A reproducing apparatus, comprising: a divisible storage means having a holding portion for holding the record carrier; a transport means for transporting the record carrier between the opening and the storage means; and a division by the storage means. The recording medium has a mounting means capable of advancing and retreating into a space, and a center hole of the record carrier being inserted thereinto, and a reproducing means for reproducing the record carrier, and inserting or discharging the record carrier. Sometimes, while aligning the position of the carrying means and the storage means, when performing reproduction or recording of the record carrier,
The position of the reproducing means and the divided space of the storage means are aligned, the reproducing means is advanced into the divided space, the mounting means is inserted into the center hole of the record carrier, then retracted, and held by the holding part. And a control means for performing control such that reproduction or recording is performed. According to the present invention, the storage means has a holding portion capable of holding a plurality of disk-shaped record carriers and can be divided. In the space where the storage means is divided and expanded, the reproduction means can advance and retreat. At the time of reproduction, the control means makes the reproduction means advance into the space enlarged by the division, and inserts the center hole of the disc-shaped record carrier into the mounting means. The reproducing means is retracted to reproduce or record the record carrier. The record carriers individually inserted or ejected from the opening are stored in the storage means by the transport means aligned by the control means. The space required for the movement of the storage means, the transport means, and the reproduction means can be reduced, and the size can be reduced.

Further, the present invention is characterized by comprising a first elevating means for vertically moving the storage means. According to the present invention, since the storage means is moved up and down by the first lifting / lowering means, it is possible to easily enlarge a space by dividing the storage means and align the position with the opening of the housing.

Further, the present invention is characterized by comprising a second elevating means for moving the reproducing means up and down. According to the present invention, since the reproducing means moves up and down by the second elevating means, it is possible to easily select a record carrier for reproducing or recording from a plurality of record carriers stored in the storing means.

Further, the control means of the present invention raises and lowers the storage means integrally at the time of insertion or ejection, aligns the storage position of the record carrier of the storage means with the position of the opening, and at the time of reproduction or recording, The storage unit is divided at a specific position corresponding to a storage position, and moves up and down the reproduction unit,
The position of the divided space of the storage means is controlled to match the position of the reproducing means to advance or retreat. According to the present invention, when the record carriers are individually inserted or ejected, the storage means is moved up and down integrally to match the storage position with the position of the opening, so that the space required above and below the storage means is reduced. Can be smaller. At the time of reproduction or recording, the storage means can be divided using the space.

Further, the storage means of the present invention has a holding portion for holding an outer peripheral portion of the record carrier inserted from a predetermined direction, and when the reproducing means is retracted, the record carrier is moved from the storage means in a direction opposite to the insertion direction. And the holding is released. According to the present invention, the holding portion of the storage means can hold the outer periphery of the record carrier only by inserting the record carrier from the predetermined direction, and can release the hold by pulling out the record carrier in the opposite direction. The space required for holding the record carrier by the holding section can be reduced, and a large number of record carriers can be stored in the small storage means.

[0014] The reproducing means of the present invention is also characterized in that recording on the record carrier is also possible. According to the present invention, it becomes possible for the reproducing means to perform recording on the disc-shaped record carrier.

[0015]

[0016]

[0017]

[0018]

FIG. 1 shows a schematic configuration of an on-vehicle autochanger device 11 as an embodiment of the present invention. The housing 12 has a substantially rectangular parallelepiped shape with a certain size, for example, also called a 1DIN size.
A stocker 13 as a storage means is stored in the housing 12, and a plurality of, for example, six CDs 14 can be stored. Each CD 14, which is a disc-shaped record carrier, can be inserted and ejected individually. The CDs 14 stored in the stocker 13 can be individually reproduced optically by the PU unit 15 which is a reproducing means. PU unit 1
Reference numeral 5 has an optical pickup and is mounted on a gantry 16. The housing 12 resiliently supports internal mechanisms such as the gantry 16 and the stocker 13 by a floating mechanism 17 as a floating means, and reduces the influence of external vibration. The stocker 13 is capable of vertical movement as a whole and vertical movement by dividing only the portion above the specific CD 14 storage position by the vertical division mechanism 18 as the first vertical means. The gantry 16 moves the PU unit 15 up and down as second elevating means. The operations of the PU unit 15, the gantry 16, and the elevating / dividing mechanism 18 are controlled by a control circuit 19. A control circuit 19 serving as a control means is arranged on one side of the housing 2. The floating mechanism 17 supports the chassis 20, which is a support means for supporting the gantry 16 and the stocker 13, in a floating state from the housing 12. When the CD 14 is inserted and ejected, a lock claw 21 serving as a lock unit fixes the space between the chassis 20 and the housing 12. On the front side of the gantry 16, a shutter 22 serving as an opening / closing means is provided, and can be opened and closed with an opening 23 provided in the housing 12. The gantry 16 is also provided with a transport roller 24 as a transport unit.

FIGS. 2, 3, 4 and 5 show the operation from insertion of the CD 14 to the autochanger device 11 shown in FIG. 1 to reproduction. In FIG. 2, the CD 14 is inserted through the opening of the housing 12 and the upper roller 25 of the transport roller 24 is inserted.
5 shows a disc loading state in which the disc is inserted to one holding position of the stocker 13 while being sandwiched between the lower rollers 26. The PU unit 15 includes a turntable 27 for rotationally driving the CD 14, a PU 28 for reproducing information stored in the CD 14, and a PU 28
14 and a tracking mechanism 29 for moving in the radial direction. FIG. 3 shows a state in which the stocker 13 above the designated holding position is divided and raised, and the gantry 16 is raised to move the PU unit 15 to the height of the designated holding position.
And shows the loading state of the pickup unit that causes the PU unit 15 to advance into the space formed by dividing and rising the stocker 13. FIG.
Indicates a disk clamp state in which the divided stocker 13 holding the CD 14 descends, and the CD 14 is clamped on the turntable 27 as mounting means provided on the rotation shaft of the PU unit 15. FIG.
Retreats and releases the holding state by the stocker 13,
The divided portion of the stocker 13 rises again, and the PU unit 1
5 indicates a playback state in which the CD 14 is reproduced.

FIGS. 6, 7, 8, 9 and 10 show:
2 shows a configuration related to a chassis 20 of the autochanger device 11. 6 is a plan view, FIG. 7 is a front view, FIG. 8 is a rear view, FIG. 9 is a right side view, and FIG. 10 is a left side view. A stair motor 31 is mounted below and a stocker motor 32 is mounted above the rear part of the left side of the base 30. The upper part of the base 30 is covered by a cover 33.

On the left and right sides of the base 30, stair slide members 35 and 36 are disposed, respectively. Stair grooves 37, 38 are formed in the stair slide members 35, 36, respectively, so that the gantry 16 can be moved up and down in six stages by the longitudinal displacement of the stair slide members 35, 36. Slide member 35 for left stairs
Is provided with a slit 39 so that the position of the gantry 16 can be optically detected. The left stair slide member 35 is provided with a stair rack 40 for driving in the front-rear direction at the upper rear portion, and a stair upper limit contact portion 41 and a stair origin contact portion at the front inner side. 42 are respectively formed. The left side stair slide member 35 and the right stair slide member 36 are connected by a transmission lever 43 provided in front of the base 30. A center shaft 44 is provided at the center of the transmission lever 43.
Is capable of swinging displacement about the central axis 44 with respect to the base 30. Since the stair slide member 35 and the stair slide member 36 are connected via the transmission lever 43, the movement directions of the left and right stair slide members 35, 36 are opposite. For this reason, the direction of the stairway groove 38 provided in the right-side staircase slide member 36 is opposite to the direction of the stairway groove 37 provided in the left-side staircase slide member 35.

The left stair slide member 35 and the base 3
The lock slide member 45 is disposed between the lock members. A locking rack 46 is formed on the rear upper portion of the locking slide member 45. An interlocking pin 47 is mounted on the lock slide member 45 and inserted into an interlocking long hole 48 formed in the stair slide member 35. In the range where the stair slide member 35 moves the gantry 16 up and down to the position from the second step to the sixth step, the interlocking pins 47 are provided.
Is freely movable within the interlocking long hole 48. When the stair slide member 35 lowers the gantry 16 to the first step position, the interlocking pin 47 abuts on the front end of the interlocking long hole 48, and the locking slide member 45 is interlocked and moved rearward. . In the middle part of the locking slide member 45,
A transport switching cam 49 for switching whether or not a mechanism for advancing and retreating the PU unit 15 provided on the gantry 16 is connected to a mechanism for driving the transport roller 24 is formed. Also, the stair slide member 3
A stocker guide 50 and a stocker stopper 51 are formed at the rear of the stockers 1 and 36, and the stocker 1 and the stocker stopper 51 are described later.
3 for vertical movement and division. The space between the left slide member 35 for stairs and the slide member 45 for lock is pulled by the spring 52, and the interlock pin 47 is urged to abut the front end of the interlocking long hole 48.

A transmission rack 53 is formed on the inner side of the locking slide member 45. Transmission rack 53
Is a cam member 54 attached to the rear central portion of the base 30.
Meshes with the teeth 55 formed on a part of the outer periphery of. The cam member 54 is substantially circular and can be angularly displaced about its central axis 56. A rear locking cam groove 57, a side locking cam groove 58, and a shutter contact portion 59 are formed in the rearward portion, the rightward portion, and the forward portion of the cam member 54, respectively. The follower 60 of the lock claw 21 is inserted into the rear locking cam groove 57. A long hole 61 extending in the front-rear direction is provided at the center of the lock claw 21, and a pin 62 erected from the base 30 is engaged with the long hole 61. The rear locking cam groove 57 is
When the follower 60 is pushed backward according to the angular displacement of 4,
Push the lock claw 21 backward, and at the rear end,
Can be pressed away from the rear end of the housing 12, that is, the front end side of the chassis 20 can be pressed against the front side of the housing 12. The follower 64 provided at the base end of the side lock lever 63 is engaged with the side lock cam groove 58. The side lock lever 63 is substantially L-shaped, and a pin 65 standing upright from the base 30 in a through hole provided at a bent portion thereof.
Is inserted, and can be swingably displaced around the pin 65. The distal end portion of the side lock lever 63 projects rightward of the base 30, and can press the base 30 away from the right side surface of the housing 12. The shutter contact portion 59 includes a pin 67 provided at a base end of the shutter transmission lever 66.
Can be angularly displaced about a swing shaft 68 that swingably supports the shutter transmission lever 66. The shutter transmission lever 66 is urged by a spring 69 in a direction to close the shutter 22.

Step motor 31 and stocker motor 32
Is transmitted via gear trains 70 and 71, respectively. A pushing lever 72 is provided near the left side of the rear end of the base 30 so that the CD 14 held in the stocker 13 can be pushed out of the holding state. A transmission lever 73 is provided below the pushing lever 72, and a rear end of the locking slide member 45 can abut. With the locking slide member 45 most retracted, the tip of the pushing lever 72 is moved to the stocker 13 via the transmission lever 73.
Extrude the CD 14 held inside. Push lever 72
Springs 74 and 75 are provided between the transmission lever 73 and the transmission lever 73, and between the transmission lever 73 and the base 30, respectively. Between the pushing lever 72 and the transmission lever 73, a spring 74 urges the tip of the pushing lever 72 in a pushing direction. The transmission lever 73 is urged by a spring 75 so that the contact portion with the rear end of the locking slide member 45 moves forward.

A gear train 76 for transmitting the rotational driving force transmitted from the stair motor 31 via the gear train 71 is mounted on the inner surface of the cover 33. The spur gears 77 and 78 meshing with the gear train 76 are mounted on the upper surface side of the cover 33 and can be inserted later after the gear train 76 is assembled. The spur gear 79 similar to the spur gears 77 and 78
3 is attached to the lower surface side. Each spur gear 77, 78, 79
Are feed screws 80, 81, 8 provided on the stocker 13.
2 meshes with the spur gears 83, 84, 85 mounted on the upper part of the gear 2, respectively.

A switch (hereinafter sometimes abbreviated as “SW”) substrate 86 is mounted near the cam member 54 near the front of the base 30. On the left side of the switch board 86, a base end of a stairway upper / lower limit lever 87 is mounted. The tip of the stair upper / lower limit lever 87 is a stair slide member 3
5 staircase upper limit contact portion 41 and staircase origin contact portion 42
Can be abutted. When the tip of the stair upper / lower limit lever 87 abuts on the stair upper limit contact portion 41, the stair upper / lower limit lever 87
Is turned on. When the stair slide member 35 is retracted and the staircase origin contact portion 42 comes into contact with the tip of the staircase upper / lower limit lever 87, the base end of the staircase upper / lower limit lever 87 turns on the staircase origin SW89.

A lock position SW 90 is further mounted on the switch substrate 86. The lock position SW90 is turned on by being pressed by a circumferential portion following the teeth 55 on the outer peripheral portion of the cam member 54, and is turned off when this circumferential portion ends.
State. The cam member 54 is angularly displaced, and the lock pawl 21
When the lock state is established by the side lock lever 63, the lock position SW90 is in the OFF state. In the base 30, the height of the gantry 16 is further adjusted to the height of the opening 23, and the shutter transmission lever 66 is set at a position where the CD 14 is inserted and ejected by the transport roller 24.
An insertion / ejection position SW91 at N is also attached.

FIGS. 11, 12, 13, 14 and 15 show a plan view, a front view, a rear view, a right side view and a left side view of the stocker 13 in the combined state, respectively. In this embodiment, the stocker 13 capable of storing the CDs 14 in six levels is formed by the five levels of the stocker members 100 and the uppermost level stocker members 101. Feed screws 80, 81, and 82 are screwed into the uppermost stocker member 101 at two positions near the rear and one position on the right side. The feed screw 80 at the rear end on the left side is directly screwed into the uppermost stocker member 101. The other feed screws 81 and 82 are
103 and the uppermost stocker member 101 respectively. Feed screws 81, 8 are provided on the lifting members 102, 103, respectively.
2 is formed, and the uppermost stocker member 101 can be vertically displaced. However, since the female screw is formed by the elevating members 102 and 103 so as to be displaceable with respect to the uppermost stocker member 101, the meshing between the spur gears 83, 84 and 85 and the spur gears 77, 78 and 79 is performed. Adjustment of the state is possible. Uppermost stocker member 1
A position detection piece 104 is disposed at the rear end of the reference numeral 01. The position detecting piece 104 is used for highly accurate position detection as described later.

To the uppermost stocker member 101, split slide members 105 and 106 are attached, respectively. Each of the dividing slide members 105 and 106 has a flat portion that slides on the upper surface of the uppermost slide member 101 and a claw 107 that has a tip that hangs laterally and bends inward.
Two pawls 10 are provided from the right dividing slide member 105.
7 hangs down from the left slide member 106 and 1
The nail 107 at the location hangs down. One of the claws 107 of the right-side dividing slide member 105 and one of the claws 107 of the left-side dividing slide member 106 are provided with projections 108 projecting outward. The projection 108 fits into a long hole provided in the stocker guide 50 of the stair slide members 36, 35, and can be displaced vertically by being guided by the long hole. The driving force for the reverse displacement is transmitted.

In the stocker member 100 and the uppermost stocker member 101, a holding leaf spring 109 for holding the CD 14 is provided at a portion slightly forward from both sides, and the holding leaf spring 109 is provided. A CD mounting claw 110 serving as a holding portion is formed at a portion closer to the rear than the portion. The CD 14 held by the stocker member 100 or the uppermost stocker member 101 is
The rearward portion of the outer peripheral portion is mounted on the inward end of the CD mounting claw 110, and further pressed and held rearward by the holding leaf spring 110. Dividing projections 111 are formed on the side surfaces of the stocker member 100 and the uppermost stocker member 101 so as to have the same height, respectively, and the stocker stopper 51 of the stair sliding members 35 and 36 and the dividing slide members 105 and 106 are formed. With the claw 107, it can be selectively divided.

FIG. 16 is an overall perspective view showing the state where the stocker 13 is divided, and FIG. 17 is a perspective view of the dividing projection 111. The dividing projections 111 are aligned at the same position, and the claws 107 of the dividing slide members 105 and 106 are arranged.
And the stocker stoppers 51 of the stair slide members 35 and 36 abut against the adjacent division projections 111 from below and above, respectively. When the stocker motor 32 is rotationally driven to rotate the feed screws 80, 81, 82,
The stocker 13 above the stocker member 100 selected by the claw 107 and closer to the uppermost stocker member 101 is lifted and divided.

FIG. 18 shows the structure of an individual stocker member 100. A turntable slot 112 into which a central axis of a turntable 27 described later can be inserted is formed in a portion closer to the front than the center of the stocker member 100. A push notch 113 is formed at the rear end of the stocker member 100, and the tip of the push lever 72 described above can enter.
A similar long slot for a turntable and a notch for extrusion are also formed in the uppermost stocker member 101.

As shown in FIG. 6, a stocker position sensor 114 connected to the position detecting piece 104 provided on the uppermost stocker member 101 is attached to the rear end of the base 30. A stocker position sensor 114 realized by a variable resistor in which a slider moves linearly detects a displacement of a sliding piece linearly in a vertical direction and a displacement of the uppermost stocker member 101 as an electric signal. be able to. An adjusting screw 115 is provided for adjusting the mounting position of the stocker position sensor 114, and a fixing screw 116 is also provided for fixing the adjusting position. The position of the stocker position sensor 114 is adjusted by adjusting the upper and lower positions with the adjusting screw 115 while pulling upward by the spring 117, and fixing the adjusted position with the fixing screw 116 so as not to shift.

On the left side of the base 30, a locking positioning member 118 extending horizontally from the locking slide member 45 projects. The lock positioning member 118 is
The diameter of the middle part is a drum shape smaller than the tip and the base end,
It is coupled to a long hole provided in the housing 12. If the diameter of the long hole portion to which the locking slide member 45 is coupled in the retracted state is reduced, if the small-diameter portion at the center of the locking positioning member 118 is guided by the small-diameter long hole, the horizontal position is reduced. The displacement can be restrained and positioning can be performed. Base 30
A spring receiver 119 for receiving a spring as a floating mechanism 17 for suspending the chassis 20 in the housing 12 is provided on a side of the housing 12. Further, damper attachment members 120 for damping in a floating state are mounted on both sides of the base 30. A damper attachment member 121 that is thinner than the other damper attachment members 120 is attached to the left rear of the base 30 due to the attachment location. Cover 3
3 is provided with a leaf spring 122 for pressing the upper ends of the feed screws 80, 81, 82. The position of the slit 39 is detected by the count sensor 123 of the photo interrupter as indicating that the gantry is at a position where PLAY is possible. When the pushing lever 72 is pressed backward, the insertion completion SW 124 is
It becomes N.

FIG. 19, FIG. 20, FIG. 21 and FIG.
1 shows a plan view, a front view, a right side view, and a left side view of the gantry 16 shown in FIG. 1. The driving of the transport roller 24 for inserting and ejecting the CD 14 and the driving for advance and retreat of the PU unit 15 are performed by commonly using the rotational force generated by the insertion / ejection motor 130. Insertion / ejection motor 13
Numeral 0 is attached to the front right side of the gantry 16, and the rotational force rotationally drives the right end of the upper roller 25 via the transmission gear 131. The upper roller 25 has both a function as the transport roller 24 and a transmission path of a rotational force for moving the PU unit 15 forward and backward. When the upper roller 25 is rotationally driven via the transmission gear 131, a rotational force is transmitted from the right end to the left end of the upper roller 25, and the transmission gear 132 on the left side of the gantry 16 is driven.

At the end of the transmission gear 132, the moving gear 13
3, the pinion gear 134 meshes. Moving gear 1
33 can be displaced up and down by a transfer switching cam 49 formed on the locking slide member 45 described above. When the moving gear 133 is displaced upward, transmission of the driving force between the final stage of the transmission gear 132 and the pinion gear 134 is interrupted. When the moving gear 133 is engaged between the transmission gear 132 and the pinion gear 134, the pinion gear 134 is driven to rotate by the rotational force from the insertion / ejection motor 130, and the PU unit 15 in which the pinion gear 134 is engaged. Can be advanced rearward from the gantry 16 or the advanced PU unit 15 can be retracted and pulled back to the gantry 16 side.

A locking slide plate 135 made of a thin metal plate is provided between the transmission gear 132 and the moving gear 133 and the side surface of the gantry 16, and is urged rearward by a spring 136. The front end of the locking slide plate 135 is P
The U unit 15 is locked at the front end. When the PU unit 15 moves and the locking slide plate 135 is pulled backward by the spring 136, the locking slide plate 1
The moving gear 133 is fixed to a driving force transmitting position between the transmission gear 132 and the pinion gear 134 by a lock portion formed at 35. In other words, once the PU unit 15 starts moving backward from the most distal position of the gantry 16, the moving gear 133 is in a state of always transmitting the driving force from the transmission gear 132 to the pinion gear 134. PU unit 15
The sliding plate 135 for locking allows the moving gear 133 to move up and down only when the moving gear 1 stands by at the foremost position of the gantry 16, and the moving gear 1 protruding outward from the side surface of the gantry 16.
The 33 shaft 137 is lifted upward by the transport switching cam 49 of the locking slide member 45, so that the transmission path can be cut off. On the left and right sides of the gantry 16, followers 138 and 139 that fit into the step grooves 37 and 38 of the step slide members 35 and 36 respectively protrude.

A push lever 140 is provided on the left side of the gantry 16 above the transmission gear 132, the moving gear 133, and the pinion gear 134. The pushing lever 140 is provided for pushing the inserted CD 14 into the stocker 13 side with its tip end being angularly displaced around a swing shaft 141 provided near the base end. The pushing lever 140 has a spring 142
Urged in the direction opposite to the pushing direction. A transmission lever 143 is provided to give the pushing lever 140 an angular displacement for pushing. Transmission lever 143
The push lever 140 is pressed by a spring 144 having a smaller spring force than the spring 142 biasing the push lever 140.
Is urged in the direction opposite to the direction in which the pushing operation is performed. The transmission lever 143 is driven by a pushing cam formed on the locking slide member 45.

The lower roller 26 of the transport roller 24 is not directly below the upper roller 25 but slightly rearward, that is, the CD 1
4 is mounted at a position shifted in the insertion direction. Lower roller 26
Both ends of the shaft are supported in a U-shaped groove, are movable in a substantially vertical direction, and are pulled toward the upper roller 25 by a lower roller spring 146. When a CD is inserted between the upper roller 25 and the lower roller 26, the position of the lower roller 26 is shifted toward the rear. The guide is abutted and guided smoothly to the holding position by the holding leaf spring 109 and the CD mounting claw 110. If the lower roller 26 is located directly below the upper roller 25, the leading end of the inserted CD may fall, making smooth guiding difficult.

A plurality of long holes 1 are provided on the upper surface in front of the gantry 16.
50, 151, 152, 153, 154, 155 and elongated holes 156, 157 with locking grooves are formed. The long holes 156 and 157 with locking grooves have a long hole portion parallel to the long holes 150 to 155 and a short locking groove substantially perpendicular to the long holes. These long holes extend substantially in the width direction. A spring receiver 158 is also provided on the upper surface of the gantry 16. These slots 15
The 0 to 157 and the spring receiver 158 are used for a disk checking mechanism using a pin 159 built in the upper front part of the gantry 16.

FIG. 23 shows the structure of a disk checking mechanism built in the upper front part of the gantry 16. A rack 161 is formed at a position closer to the rear of the slide plate 160 closer to the front, and followers 162, 16 fit into the slots 150, 151.
3 is erected. A pin 164 is erected on the slide plate 160, and a spring support 166 is also formed. Slide plate 16
The zero rack 161 meshes with the interlocking gear 169. The interlocking gear 169 also meshes with a rack 171 formed at a forward portion of the rear slide plate 170. The slide plate 170 is substantially L-shaped, and has a portion extending in the width direction in which the rack 171 is formed, and a portion extending forward from the left end. In a portion extending in the width direction, a follower 172 that fits into the long holes 152 and 153 of the gantry 16 is provided.
173 is erected, and a follower 174 that fits into the elongated hole 154 is erected near the front end of a portion extending forward. A swing shaft 176 of the swing lever 175 is fixed near the bent portion of the slide member 170. The swing lever 175 is also substantially L-shaped, and the follower 177 is
And a slot 156 with a locking groove formed in the gantry 16.
Fits. At the tip of the other arm of the swing lever 175,
A pin 159 is formed. A similar swing lever 175 is provided on the right side of the slide plate 160, and the follower 177 at the tip of one arm is fitted into the elongated hole 157 with the locking groove. A follower 167 that fits into the elongated hole 155 is also provided upright on the slide plate 160.

The spring support 166 of the slide plate 160 and the gantry 1
6, a tension spring is mounted between the spring support 158 and the followers 162, 163, 1 standing upright from the slide plate 160.
67 are urged to contact the left ends of the long holes 150, 151, 155, respectively. The followers 172, 173, 174 erected on the slide plate 170 have elongated holes 152, 15 respectively.
3,154. Each swing lever 175 is urged by a spring so that the follower 177 erected from the tip of one arm of the swing lever 175 falls into the locking groove portion of the locking grooved long holes 156 and 157.

When the CD is inserted, the space between the pins 159 provided on the arm different from the arm on which the follower 177 of the swing lever 175 is erected is expanded, and the follower 177 is inserted into the slot 156 with the locking groove. , 157 is disengaged from the locking groove portion, and the slide plate 160 is moved rightward by the right swing lever 175 and slide plate 170 is moved by the left swing lever 175.
Can be moved to the left. In a state where the follower 177 of the one swing lever 175 stays in the locking groove of the long hole 156, 157 with the locking groove, the slide plates 160, 170
Can not move. That is, the CD can be received only when both swing levers 175 are simultaneously pushed right and left. This gives 12c
m different from the CD 14 having an outer diameter of, for example, 8
It is possible to prevent a situation where a single CD having an outer diameter of cm is erroneously inserted. The interval between the pins 159 provided on the swing lever 175 is slightly larger than the outer diameter of the single CD, and when the single CD is inserted, the slide plates 160 and 170 may move laterally. Can not.

As shown in FIGS. 19 to 22, two light-emitting diodes (abbreviated as “LEDs”) 180, 1 arranged on the mount 16 at intervals on a straight line in the front-rear direction.
81 are provided. Light generated from the LEDs 180 and 181 is detected by a light receiving sensor provided in the PU unit 15 as described later. Slide plate 1 in gantry 16
The movement of 60 is detected by the insertion detection SW 182,
It is possible to detect that a CD has been inserted.

FIG. 24, FIG. 25 and FIG.
A plan view, a front view, and a left side view of the U unit 15 are shown, respectively. A turntable 27 is provided substantially at the center of the PU unit 15, and the central shaft 191 is directly driven to rotate by a motor 190. A plurality of claws 192 are mounted on the central shaft 191, and are urged to spread radially outward by a spring 193 mounted inward of the central shaft 191. The spring 193 is held by the cover 194. The spring 193 is a small-diameter compression spring,
The assembly may be relatively easy since it may be inserted in parallel with the axial direction of 91. P on the left of the turntable 27
A tracking mechanism 29 for moving U28 is provided. Further, on the left side of the PU unit 15, a rack 195 that meshes with a pinion gear 134 provided on the gantry 16.
Is attached, and converts the rotational force of the pinion gear 134 into a linear motion of the PU unit 15. Tracking mechanism 29
Is driven by a motor 196 disposed on the right side of the turntable 27 of the PU unit 15 and a transmission gear 197 transmitting the rotational driving force thereof.

A sensor board 200 is mounted behind the PU unit 15 on the right side of the turntable 27. Discharge completion sensor 2 is provided on sensor substrate 200 as a light receiving sensor for receiving light from LED 180 attached to gantry 16 on a straight line extending from front to back.
01 and the disk presence / absence detection sensor 202 are attached at intervals. At the rear end of the sensor substrate 200, a clamp position SW2 that detects that the PU unit 15 has advanced to the rearmost position and reaches a clamp position where the CD 14 held on the stocker 13 can be inserted into the center shaft 191.
03 is provided. On the right side of the sensor substrate 200, a PLA that retreats from the clamp position and reproduces the CD14
A PLAY position sensor 204 for detecting the Y position is mounted. The PLAY position sensor 204 is realized by a photo interrupter, and a member that blocks light is arranged at the PLAY position. A PU origin SW 205 for detecting a state in which the PU 28 is at the origin position is provided below the turntable 27 and toward the front. In addition, it has a detection end slightly projecting from the front end of the PU unit 15,
A unit origin SW 206 for detecting that the PU unit 15 is located at the forefront origin of the gantry 16 is also provided.

FIG. 27 shows a left-side stair sliding member 35.
FIG. 2 shows an interlocking state of the lock slide member 45 and
Reference numeral 8 denotes a state in which the stair rack 40 and the lock rack 46 are driven. The locking slide member 45 is disposed between the stair slide member 35 and the base 30, and the above-described transport switching cam 49 is formed. Stair slide member 3
5 has a stair rack 40 that meshes with a pinion 210 that is rotationally driven by a stair motor 31. The pinion 210 can also mesh with the lock rack 46 of the lock slide member 45. However, the staircase rack 40 and the locking rack 46 are simultaneously in the pinion 210
And only one of them is engaged.
In order to smoothly switch the meshing, teeth 211 and 211 are provided at a switching portion of the staircase rack 40 and the locking rack 46.
The shape of No. 12 is deformed, for example, so that the width of the peak becomes narrow, thereby enabling a smooth transition. The description of the protrusion 224 will be described together with the description of FIG.

FIG. 29 shows a right side stair slide member 36.
Is shown. Since the staircase groove 38 moves in the opposite direction to the left staircase slide member 35, the staircase groove 38 is in the opposite direction to the staircase groove 37 formed in the left staircase slide member 35.

FIG. 30 shows the operation of the lock claw 21, the side lock lever 63, and the lock positioning member 118 accompanying the angular displacement of the cam member 54. Lock slide member 4
In the lock position where 5 is retracted, the lock claw 21 projects rearward, the side lock lever 63 projects rightward, and the locking positioning member 118 is displaced toward the rear. The lock position SW90 is turned off.

FIGS. 31 and 32 show a structure related to the pushing lever 72 and the pushing lever 140. FIG. The pushing lever 72 shown in FIG.
Since the CD 4 is provided, when the CD is inserted into the stocker 13, the CD is pushed backward, and the insertion completion switch 124 is activated. The push lever 140 shown in FIG.
Since the shape 1 has the straight portion 222 and the curved portion 223, the protrusion 2 formed on the locking slide member 45 is formed.
When the abutment 24 comes into contact with the linear portion 222, the pushing lever 14
A driving force for angularly displacing 0 is transmitted. When the projection 224 contacts the curved portion 223, only the transmission lever 143 is angularly displaced, and the driving force is not transmitted to the pushing lever 140.

FIG. 33 shows a structure related to the shutter 22 shown in FIG. The shutter 22 opens only at the position where the locking slide member 45 is most retracted by the driving force applied through the shutter transmission lever 66. In this state, the chassis 20 is fixed to the housing 12 by the lock claws 21, the side lock levers 63, and the lock positioning members 118.
, The CD 14 can be smoothly inserted and ejected. The tip of the shutter transmission lever 66 displaces the slide plate 225 in the lateral direction. The lateral displacement is converted into a vertical opening / closing operation via a pin of the shutter 22 fitted in the inclined groove 226. Whether or not the shutter 22 is closed is detected by a removal detection sensor 228 using a photo interrupter. The removal detection sensor 228 is connected to the shutter transmission lever 6.
6 turns ON when the opening 23 is opened by the shutter 22 at the tip. Once the CD 14 is inserted while the shutter 22 is open, the shutter 22 cannot be closed if the CD 14 remains in the opening 23, so that the extraction detection sensor 228 remains ON.
If the CD 14 is removed, the removal detection sensor 228 becomes O
The state becomes the FF state.

FIG. 34 shows an electrical configuration related to the control circuit 19 of the autochanger device 11 shown in FIG. Stocker position sensor 114 for detecting the stocker's rising position
, A voltage output corresponding to the absolute position of the position detecting piece 104 is obtained. This voltage output is converted to digital data by an analog / digital conversion (hereinafter abbreviated as “A / D”) circuit 230 and input to a control circuit 19 realized by a program operation of a microcomputer. Signals from other switches and sensors are also input to the control circuit 19, and the stair motor 31, the stocker motor 32, and the insertion / ejection motor 130 are rotationally driven according to a preset program. The moving position of the stair slide members 35 and 36 is determined by a slit 3 between the light emitting element and the light receiving element of the count sensor 123 realized by the photo interrupter.
9 can be detected as a count value of the number of times 9 passes. The control circuit 19 includes the autochanger device 11.
Key input device 231 which is an instruction input means for inputting the operation state of the device, and a timer 232 which sets time and measures time
Is also connected.

FIG. 35 shows the operation of the control circuit 19 of FIG. The operation is started from step a1, and in step a2, it is determined whether or not the CD 14 is currently in an insertion / ejection state in which the CD 14 is inserted or ejected. If it is in the insertion / ejection state, a mechanical initialization operation for the insertion / ejection state is performed in step a3. If not, a mechanical initialization operation other than the insertion / ejection state is performed in step a4. When the mechanical initialization in step a3 or step a4 is completed, in step a5, the key input device 23
Wait for instruction input from 1. If there is an instruction input, it is determined in step a6 whether or not an instruction to insert a CD has been issued. C
When it is determined that D insertion has been instructed, step a
At 7, it is determined whether or not the CD is currently being reproduced. If it is during reproduction, an operation of discharging the CD being reproduced is performed as a CD insertion preparation operation in step a8. When the CD insertion preparation operation in step a8 is completed, or in step a7
If it is determined in step a9 that reproduction is not being performed, step a9
Performs a CD insertion operation.

If it is determined in step a6 that the operation is not a CD insertion operation, it is determined in step a10 whether a CD ejection operation has been instructed. When the CD ejection operation is instructed, the operation of ejecting the CD is performed in step a11. If it is determined in step a10 that CD ejection has not been instructed, it is determined in step a12 whether CD search has been instructed. When instructed, the operation of searching for the presence or absence of a CD is performed for each stage of the stocker in step a13, and when not instructed, the CD change operation is performed as the remaining operation in step a14.
When the operation in step a9, step a11, step a13, or step a14 ends, the process returns to step a5. When another operation as an in-vehicle audio device, for example, an operation for receiving a broadcast from a tuner, is instructed during the reproduction, the reproduction is suspended and the reproduction can be resumed at any time.

FIGS. 36 and 37 show a flowchart and a time chart, respectively, of the mechanical initialization operation in step a3 of FIG. The operation starts from step b1, and in step b2, the stair motor 31 is driven to rotate in the reverse direction to lower the gantry 16 and move to the insertion / ejection position. When the insertion / ejection position SW91 is turned on in step b3, the CD ejection operation in step b4 is started. When the ejection completion sensor 201 is turned on in step b5, the ejection of the CD is completed. Next, in step b5, the insertion detection SW
When the N state is reached, the CD insertion operation in step b7 is started, and the insertion operation is continued until the insertion completion SW 124 is turned on in step b8. In step b9, the stair motor 31 is driven forward and reverse, and the lock position switch 90 is turned on from the OFF state and turned on again in step b10, and the lock position return operation is performed. Next, at step b11, the stocker motor 3
2 is driven in reverse to lower the stocker 13 to return to the origin position. The position of the stocker 13 is determined in step b12 as to whether or not the output from the stocker position sensor 114 corresponds to a value preset as the origin, for example, (1F) h, and the operation ends in step b13. . Hereinafter, in the notation of (1F) h, for example, "1" in ()
F "is a two-digit hexadecimal number.

FIGS. 38 and 39 are a flowchart and a time chart, respectively, corresponding to the mechanical initialization operation other than the insertion / ejection state in step a4 of FIG.
The operation starts from step c1, and in step c2, the stocker motor 32 is rotated forward to raise the stocker 13 to the upper limit. When the arrival at the upper limit position is detected from the output of the stocker position sensor 114 in step c3, step c4
To rotate the insertion / ejection motor 130 forward to advance the PU unit 15 to reach the clamp position. To advance to the clamp position, the clamp position SW 203 is turned on in step c5.
Then, in step c6, the insertion / ejection motor 130 is rotated reversely, and the PU unit 15
Return to the AY position. The return to the PLAY position is detected by the PLAY position sensor 204 in step c7. In step c8, the stocker motor 32 is rotated in the reverse direction to lower the stocker 13. The lowering position of the stocker 13 is detected from the output of the stocker position sensor 114 in step c9. When the stocker 13 descends, the insertion / ejection motor 130 is rotated forward, the PU unit 15 is advanced, and the CD 14 mounted on the turntable 27 is inserted into the stocker 13.

In step c11, the clamp position SW203
Is turned on, the insertion / ejection motor 130 stops, and after a certain time t1, the stocker motor 32 rotates forward and the CD 14
Is pulled out from the center axis 191 side of the turntable 27,
The clamp is released. If it is determined from the output of the stocker position sensor 114 in step c13 that the ascending position of the stocker 13 has reached the predetermined position, the PU
A unit discharging operation is performed in which the unit 15 retreats to the home position of the gantry 16. When the origin return is detected by the unit origin SW 206 in step c15, the stocker motor 32 is rotated in reverse in step c16,
Is performed. When the origin return is detected from the output of the stocker position sensor 114 in step c17,
In step c18, the stair motor 31 is reversed, and the
Is performed. When the stairs origin SW 89 is turned on in step c19 and the part of the stairs slide member 35 provided with the slit 39 comes off the count sensor 123, the origin return of the gantry 16 ends. After the stair motor 31 temporarily stops for the time t1, the reverse rotation starts again. During this time, the rack in which the pinion 210 meshes with the lock rack 46 of the lock slide member 45 is switched from the stair rack 40 of the stair slide member 35. In step c21, the lock position SW90 is set to O
When it becomes FF, the operation ends in step c22.

FIGS. 40 and 41 show a flowchart and a time chart, respectively, of the CD insertion preparation operation in step a8 of FIG. The operation is started from step d1, and in step d2, the stocker motor 32 is rotated in reverse to lower the stocker 13. When the lowering position of the stocker 13 reaches the predetermined position from the output of the stocker position sensor 114 in step d3, the stocker motor 32 is stopped, and after a certain time t1, the insertion / ejection motor 130 is rotated forward, and the PU unit 15 is moved to the stocker 13 Let go inside.
When the clamp position SW 203 is turned on in step d5, the insertion / ejection motor 130 is stopped, and after a certain time t1, the stocker motor 32 is rotated forward in step d6 to raise the stocker 13, and the CD 14 is pulled out from the central shaft 191. Perform cancellation.

At step d7, the stocker position sensor 114
When it is detected that the stocker 13 has risen to the predetermined position from the output of the step (b), a unit discharging operation is performed in which the motor 130 is rotated in the reverse direction to retract the PU unit 15 from the inside of the stocker 13 in step d8. In step d9, unit origin SW
When 206 is turned on, the insertion / ejection motor 130 is stopped. Next, after a lapse of a predetermined time t1, the stocker motor 32 is reversed in step d10 to return the stocker 13 to the origin. When the output of the stocker position sensor 114 reaches a predetermined value in step d11, the stocker motor 32 is stopped,
After the elapse of the predetermined time t1, the stair motor 31 is determined in step d12.
Is reversed, and the gantry 16 is returned to the home position. Stairs origin SW
After 89 is turned on, the rack meshing with the pinion 210 is switched from the staircase rack 40 of the staircase slide member 35 to the lock rack 46 of the lock slide member 45, and the lock position return operation of step d15 is performed. .
The lock position return operation is performed in step d14.
The process ends when 90 is turned off, and the stair motor 31 is stopped. In step d15, the stocker motor 32 is rotated forward, and the stocker 13 is raised. When it is detected from the output of the stocker position sensor 114 that the predetermined position has been reached in step d16, the stocker motor 32 stops. After the elapse of the predetermined time t1, the insertion / ejection mode switching operation in step d17 is performed by rotating the stair motor 31 in the reverse direction. In step d19, the insertion / ejection position SW91 is set to O.
When the state becomes the N state, the operation ends in step d20.

FIGS. 42 and 43 show a flowchart and a time chart, respectively, of the CD inserting operation in step a9 shown in FIG. The operation starts from step e1, and in step e2, the insertion detection SW 182 is turned off at the high level, and it is detected that the 12 cm CD 14 is inserted. After the elapse of the predetermined time t1, step e3
, The insertion / ejection motor 130 is rotated forward, and the operation of inserting the disc is started. The inserted CD 14 moves rearward, the output of the ejection completion sensor 201 goes high, the insertion detection SW 182 goes low, and the output of the disc presence sensor 202 changes from high to low. At step e4, CD14
Is inserted into the stocker 13 and the insertion completion SW 124 is turned on.
In this state, the step motor 31 is rotated forward in step e5, and the operation of returning from the insertion / ejection position to the lock position is started. When the lock position SW90 is turned on, the insertion / ejection motor 130 is stopped, the stair motor is also stopped for a time t1, then rotated in the reverse direction, stopped again at the position where the lock position SW90 is turned off, and the CD insertion operation is performed in step e6. finish.

FIGS. 44 and 45 show a flowchart and a time chart, respectively, of the CD discharging operation in step a11 of FIG. The operation starts from step f1, and in step f2, the stocker motor 32 is reversed to lower the stocker 13. If it is determined in step f3 that the output has been lowered from the output of the stocker position sensor 114 to a predetermined position, the stocker motor 32 is stopped, and in step f4, the insertion / ejection motor 130 is rotated forward after a certain time t1 has elapsed for returning the disk. , The PU unit 15 is advanced into the stocker 13. Clamping position S in step f5
When W203 is turned on, the insertion / ejection motor 130 is stopped, and after a fixed time t1 has elapsed, the stocker motor 32 is rotated forward and the stocker 13 is raised in order to perform the clamp release operation in step f6. If it is determined in step f7 that the stocker 13 has reached the predetermined height from the output of the stocker position sensor 114, the insertion / ejection motor 130 is rotated in reverse after a predetermined time t1 has elapsed in step f8, and the PU unit 15 is retracted from the inside of the stocker 13. A unit discharging operation is performed. In step f9, the unit origin SW 206
Is turned on, the insertion / ejection motor 130 is stopped. In step f10, in order to return the origin of the stocker 13, the stocker motor 32 is rotated in reverse to lower the stocker 13 after a lapse of a predetermined time t1, and it is detected in step f11 that the stocker position sensor 114 has dropped from the output of the stocker position sensor 114 to a predetermined position. Then, the stocker motor 32 is stopped. In step f12, the stair motor 31 is reversely rotated after the elapse of the predetermined time t1, and in step f13, the origin position of the gantry is detected.
After a pause for rack switching, step f1
In step 4, the lock slide member 45 is further moved, and the lock position is returned in step f15.

In step f16, the stocker motor 32 is rotated forward to raise the stocker 13. Step f17
Then, the output of the stocker position sensor 114
Is detected to rise to a predetermined position. Stocker 13
Rises to a predetermined position, in step f18, the stair motor 31 and the insertion / ejection motor 130 are respectively rotated in reverse, so that the CD
An operation for ejecting the disc for ejecting the disc 14 is performed. When the insertion / ejection position switch 91 is turned on in step f19, the stair motor 31 is stopped, but the insertion / ejection motor
Is continued, and the CD discharging operation of step f20 is continued. When the ejection completion sensor 201 goes low in step f21 to detect a CD, the insertion / ejection motor 130 is stopped. At step f22, after a lapse of a predetermined time t1, the stair motor 31 is rotated forward, and after the lock position SW 90 is once turned on, a lock position return operation of rotating the stair motor 31 reversely is performed.

FIGS. 46 and 47 show a flowchart and a time chart, respectively, of the CD search operation in step a12 of FIG. The operation starts from step g1, and in step g2, the stocker motor 32 is rotated forward,
The stocker raising operation is performed. If it is determined in step g3 that the stocker 13 has risen to the sixth position from the output of the stocker position sensor 114, the stocker motor 32 stops, and after a certain time t1, the CD discharge operation in step g4 is performed. Will be At this time, the stair motor 31 and the insertion / ejection motor 130 are reversed. Here, it is assumed that a CD is stored in the sixth row.

When the CD is ejected to the position of the ejection completion sensor 201 by the push lever 72 at step g5, the light from the LED 180 received by the ejection completion sensor 201 is shut off, and the ejection completion sensor 201 is turned off. In step g6, the stair motor 3 is set as the CD insertion operation for pushing the disc by the pushing lever 140.
1 and the insertion / ejection motor 130 are rotated forward, and the disc is continuously pushed in until the insertion completion switch 124 is turned on in step g7. In step g8, the stair motor 31 is reversed, and in step g9, the lock position SW90 is once turned off.
The state changes from the F state to the ON state, and is stopped at the position where the state changes to the ON state. Next, as the stocker raising operation in step g10, after a certain time t1 has elapsed, the stocker motor 32 is rotated forward to lift the stocker 13. In step g11,
From the output of the stocker position sensor 114, 5
Detects lifting to the step position. Step g12
Then, after a lapse of a certain time t1, the stair motor 31 and the insertion / ejection motor 130 are respectively rotated in reverse to perform the CD ejection operation. Here, it is assumed that no CD is stored in the fifth row.

In step g13, the insertion / ejection position SW91 is turned on, thereby detecting that the gantry 16 has reached the insertion / ejection position.
0 is temporarily stopped. Hereinafter, similarly, Step g14
In step g15, it is determined whether the CD 14 is stored in the first-stage stocker. In step g15, it is determined whether the CD 14 is stored in the first-stage stocker. I do.

FIGS. 48 and 49 show the CD detection operation in step a14 of FIG. 35 as a flowchart and a time chart, respectively. The operation is started from step h1, and in step h2, the stocker motor 32 is reversed to lower the stocker 13. When it is detected in step h3 that the stocker 13 has been lowered to the predetermined position from the output of the stocker position sensor 114, the stocker motor 32 stops. In step h4, after the elapse of the predetermined time t1, the insertion / ejection motor 130 is rotated forward, and the CD 14 mounted on the PU unit 15 is returned to the stocker 13. When the clamp position SW 203 is turned on in step h5,
The insertion / ejection motor 130 is stopped. In step h6, the stocker motor 32 is rotated forward after a predetermined time t1 has elapsed, and
4 is removed from the central shaft 191 to perform a clamp release operation.
When it is determined in step h7 that the stocker 13 has risen to the upper limit position from the output of the stocker position sensor 114, the stocker motor 32 is stopped. In step h8, after the elapse of the predetermined time t1, the insertion / ejection motor 130 is rotated reversely, and the PU unit 15 is retracted from the stocker 13 to perform unit ejection. When the unit origin SW 206 is turned on in step h9, the insertion / ejection motor 130 is stopped. Step h1
In the case of 0, the stocker motor 32 is rotated in the reverse direction after the elapse of the predetermined time t1, the stocker 13 is lowered as a whole, and the stocker origin is returned. If it is determined in step h11 that the stocker 13 has dropped to the origin position from the output of the stocker position sensor 114, the stair motor 31 is rotated after a certain period of time t1 has elapsed in step h12. 16 is stopped at a predetermined position.

In step h14, after a lapse of a certain time t1, the stocker motor 32 is rotated forward to split and raise the stocker 13. At Step h15, it is detected from the output of the stocker position sensor 114 that the divided upper half of the stocker 13 rises to the upper limit position.

At step h16, the insertion / ejection motor 130 is rotated forward to move the PU unit 15 into the stocker 13. At step h17, the clamp position SW 203 is turned on.
In this state, the insertion / ejection motor 130 is stopped. In step h18, the stocker motor 32 is rotated reversely after the elapse of the predetermined time t1, and when it is determined in step h19 that the output from the stocker position sensor 114 has dropped to the pressed position, the stocker motor 32 is stopped. In Step h20, after a certain time t2 has elapsed, the stocker motor 32 is rotated forward, and the upper half of the divided stocker 13 is raised again. This rising position is determined by the stocker position sensor 114 in step h21.
Is determined from the output of In step h22, a fixed time t
After one elapse, the insertion / ejection motor 130 is reversed, and the CD 14 transferred to the PU unit 15 is pulled out from the stocker 13 with the retraction of the PU unit 15. PU unit 15 is P
PLAY is determined by the output from the LAY position sensor 204.
When it is determined to reach the position, the insertion / ejection motor 130 is stopped in step h23. Next, at step h24, after a lapse of a predetermined time t1, the stocker motor 32 is rotated forward to further raise the stocker 13. If it is determined in step h25 that the ascending position of the stocker 13 has reached the upper-limit stocker retreat position, the operation ends in step h26.

In each of the above operations, the fixed time t1 is, for example, 100 msec, and t2 is 500 msec.
In the embodiment described above, the stocker member 100 of the stocker 13 and the uppermost stocker member 101 of the first stage are
Since the portion closer to the front has almost the same shape as the CD 14, the upper roller 25 and the lower roller 26 are displaced from each other and the inserted CD 14 is directed upward while the leading end of the CD 14 is directed upward. Can be. If the number of rollers of the transport roller 24 is increased so that the CD 14 can be inserted substantially horizontally, the front portion of the stocker member 100 and the uppermost stocker member 101 can be omitted. Further, as the disc-shaped record carrier, C
As with D14, a CD-ROM such as a personal computer
It can be applied to a ROM as well as a laser disk (CD) or a mini disk (MD).
The same can be applied.

[0070]

As described above, according to the present invention, the transport means transports the record carrier between the opening of the housing and the storage means. Since the storage means can expand the space for the advance and retreat of the reproduction means, the space only for storing the record carrier can be kept small. Further, since the transporting means and the reproducing means are arranged vertically,
Further miniaturization can be achieved by effectively utilizing the space in the housing. Further, the space required for holding the record carrier by the holding section can be reduced, and a large number of record carriers can be stored in the small storage means.

Further, according to the present invention, at the time of reproduction, the reproducing means advances into the space enlarged by the division, the record carrier is mounted on the mounting means, the holding by the holding section is released, and the reproducing means is retracted to record. Since the carrier is reproduced or recorded, the space required for moving the storage means and the reproducing means can be reduced, and the size can be reduced.

Further, according to the present invention, the record carriers individually inserted or ejected from the openings are stored in alignment with each other, so that the space required for movement can be reduced and the size can be reduced. it can.

Further, according to the present invention, since the storage means is moved up and down by the first elevating means, the space can be expanded by dividing the storage means, and the positioning with the opening of the housing can be easily performed.

Further, according to the present invention, since the reproducing means moves up and down by the second elevating means, it is possible to easily select a record carrier for reproducing or recording from a plurality of record carriers stored in the storing means. .

According to the present invention, the space required above and below the storage means can be reduced, and the storage means can be divided using the space.

Further, according to the present invention, the space required for holding the record carrier by the holding portion can be reduced, and a large number of record carriers can be accommodated in the small accommodating means.

According to the present invention, it is also possible to perform recording on a disk-shaped record carrier.

[0078]

[0079]

[0080]

[Brief description of the drawings]

FIG. 1 is a block diagram showing an overall configuration of an autochanger device 11 according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a disc loading state of the autochanger device 11 of FIG.

FIG. 3 is a perspective view showing a pickup unit loading state by the autochanger device 11 of FIG. 1;

FIG. 4 is a perspective view showing a disk clamping operation by the automatic changer device 11 of FIG. 1;

FIG. 5 is a perspective view showing a reproducing operation state by the autochanger device 11 of FIG. 1;

FIG. 6 is a chassis 2 of the autochanger device 11 of FIG.
0 is a plan view.

FIG. 7 is a front view of the chassis 20 of FIG. 1;

FIG. 8 is a rear view of the chassis 20 of FIG.

FIG. 9 is a right side view of the chassis 20 of FIG.

FIG. 10 is a left side view of the chassis 20 of FIG.

FIG. 11 is a plan view of the stocker 13 of FIG.

FIG. 12 is a front view of the stocker 13 of FIG.

FIG. 13 is a rear view of the stocker 13 of FIG.

FIG. 14 is a right side view of the stocker 13 of FIG.

FIG. 15 is a left side view of the stocker 13 of FIG.

FIG. 16 is an overall perspective view showing a divided state of the stocker 13 of FIG. 1;

FIG. 17 is a partial perspective view of the stocker 13 of FIG. 1 in a divided state.

FIG. 18 is a front view of a stocker member 100 of the stocker 13 of FIG.

FIG. 19 is a plan view of the gantry 16 of FIG. 1;

FIG. 20 is a front view of the gantry 16 of FIG. 1;

FIG. 21 is a right side view of the gantry 16 of FIG. 1.

FIG. 22 is a left side view of the gantry 16 of FIG. 1;

FIG. 23 is a plan view of a disk checking mechanism provided on the gantry 16 of FIGS. 19 to 22;

FIG. 24 is a plan view of the PU unit 15 of FIG.

FIG. 25 is a front view of the PU unit 15 of FIG. 1;

FIG. 26 is a left side view of the PU unit 15 of FIG.

27 is a slide member for stairs 35 shown in FIGS. 6 to 10;
FIG. 7 is a perspective view of a lock slide member 45.

FIG. 28 is a left side view showing an interlocking state of a rack portion of a slide member for stairs 35 and a slide member for locking 45.

FIG. 29 is a slide member for stairs 36 shown in FIGS. 6 to 10;
It is a perspective view of.

FIG. 30 is a simplified plan view showing the operation of the lock mechanism shown in FIGS. 6 to 10;

FIG. 31 is a perspective view showing a configuration related to the pushing lever 72 shown in FIGS. 6 to 10;

FIG. 32 is a perspective view showing a configuration related to the pushing lever 140 shown in FIGS. 19 to 22.

FIG. 33 is a simplified front view showing a configuration related to the shutter 22 of FIG. 1;

FIG. 34 is a block diagram showing an electrical configuration related to the control circuit 19 of FIG.

FIG. 35 is a flowchart showing an overall operation of the control circuit 19 of FIG. 34;

FIG. 36 is a flowchart showing the operation of the electrical configuration of FIG. 34.

FIG. 37 is a time chart showing the operation of the electrical configuration of FIG. 34.

FIG. 38 is a flowchart showing the operation of the electrical configuration of FIG. 34.

FIG. 39 is a time chart showing the operation of the electrical configuration of FIG. 34.

FIG. 40 is a flowchart showing the operation of the electrical configuration of FIG. 34.

FIG. 41 is a time chart showing the operation of the electrical configuration of FIG. 34.

FIG. 42 is a flowchart showing the operation of the electrical configuration of FIG. 34;

FIG. 43 is a time chart showing the operation of the electrical configuration of FIG. 34.

FIG. 44 is a flowchart showing the operation of the electrical configuration of FIG. 34.

FIG. 45 is a time chart showing the operation of the electrical configuration of FIG. 34.

FIG. 46 is a flowchart showing the operation of the electrical configuration of FIG. 34.

FIG. 47 is a time chart showing the operation of the electrical configuration of FIG. 34.

FIG. 48 is a flowchart showing an operation of the electrical configuration of FIG. 34.

FIG. 49 is a time chart showing the operation of the electrical configuration of FIG. 34.

FIG. 50 is a plan view and a front view showing a schematic configuration of a conventional autochanger device.

[Explanation of symbols]

REFERENCE SIGNS LIST 11 auto changer device 12 housing 13 stocker 14 CD 15 PU unit 16 gantry 17 floating mechanism 18 elevating / separating mechanism 19 control circuit 20 chassis 21 lock claw 22 shutter 23 opening 24 transport roller 25 upper roller 26 lower roller 27 turntable 28 PU 29 Tracking mechanism 30 Base 31 Stair motor 32 Stocker motor 33 Cover 35, 36 Stair slide member 37, 38 Stair groove 39 Slit 40 Stair rack 45 Lock slide member 46 Lock rack 47 Interlock pin 48 Interlock slot 49 Transfer switching cam 50 Stocker guide 51 Stocker stopper 54 Cam member 57 Rear locking cam groove 58 Side locking cam groove 59 Shutter contact portion 63 Side lock lever 66 Shutter Transmission lever 72 Push lever 80, 81, 82 Feed screw 87 Stair upper / lower limit lever 88 Stair upper limit SW 89 Stair origin SW 90 Lock position SW 91 Insertion / ejection position SW 100 Stocker member 101 Uppermost stocker member 105, 106 Dividing slide member 107 Claw 108 Projection 109 Holding leaf spring 110 CD mounting claw 111 Dividing projection 112 Turntable long hole 113 Extrusion notch 114 Stocker position sensor 118 Locking positioning member 123 Count sensor 124 Insertion completion SW 130 Insertion / ejection motor 133 Move Gear 134 Pinion gear 135 Lock slide plate 140 Push lever 150-155 Slot 156,157 Slot with locking groove 160,170 Slide plate 161,171 Rack 162,163,167,172,173,1 74 Follower 169 Interlocking gear 175 Swing lever 180, 181 LED 182 Insertion detection switch 190, 196 Motor 191 Center axis 192 Claw 193 Spring 194 Cover 195 Rack 201 Discharge completion sensor 202 Disk presence detection sensor 203 Clamp position SW 204 PLAY position sensor 206 Unit origin SW 228 Extraction detection sensor 231 Key input device

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) G11B 17/22-17/30

Claims (8)

(57) [Claims] 1. A housing in which an opening through which a disc-shaped record carrier is individually inserted or ejected is formed, storage means for accommodating a plurality of record carriers, which can be divided, and a record carrier being accommodated in the opening. Transport means for transporting the storage means, and a playback means capable of moving forward and backward with respect to the space enlarged by the division of the storage means and playing back the record carrier. A holding portion for holding an outer peripheral portion of the record carrier inserted from the direction, wherein the retraction of the reproducing means pulls out the record carrier from the storage means in a direction opposite to the insertion direction and releases the holding. A playback device for a disc-shaped record carrier. 2. A reproducing apparatus for a disc-shaped record carrier capable of accommodating a plurality of disc-shaped record carriers inside a housing, comprising: a divisible storage means having a holding portion for holding said record carrier; Reproducing means capable of moving forward and backward with respect to the space enlarged by the division of the recording medium; mounting means for mounting the record carrier provided in the reproducing means; and reproducing means in the divided space of the storage means during reproduction. Control means for moving the recording medium into the mounting means, retracting the reproducing means, releasing the holding of the recording medium by the holding section of the storage means, and performing reproduction or recording of the recording medium. A playback device for a disk-shaped record carrier, comprising: 3. A disc-shaped record carrier reproducing apparatus in which a plurality of disc-shaped record carriers having a center hole can be individually inserted or ejected from an opening of a casing, and a plurality of record carriers can be stored inside the casing. A dividing means having a holding portion for holding the record carrier; a conveying means for conveying the record carrier between the opening and the storing means; and a space enlarged by the division of the storing means. It is possible to advance and retreat with respect to the recording medium, and has a mounting means into which the center hole of the record carrier is inserted, a reproducing means for reproducing the record carrier, and when the insertion or ejection of the record carrier is performed, When performing the reproduction or recording of the record carrier while aligning the position of the transporting means and the storing means, align the position of the reproducing means with the divided space of the storing means, and place the reproducing means in the divided space. And a control means for controlling the recording medium to perform reproduction or recording by inserting the mounting means into the center hole of the record carrier, then retreating the recording medium, releasing the holding by the holding section, and performing reproduction or recording. A playback device for a disc-shaped record carrier. 4. The apparatus for reproducing a disc-shaped record carrier according to claim 2, further comprising a first elevating means for moving the storage means up and down. 5. The apparatus according to claim 4, further comprising a second elevating means for moving the reproducing means up and down. 6. The control means raises and lowers the storage means integrally at the time of insertion or ejection, and adjusts the storage position of the record carrier of the storage means and the position of the opening. The means is divided at a specific position corresponding to the storage position, the reproduction means is moved up and down, and the position of the division space of the storage means is controlled so as to match the position of the advancement or retreat of the reproduction means. An apparatus for reproducing a disc-shaped record carrier according to any one of claims 2 to 5. 7. The storage means has a holding portion for holding an outer peripheral portion of the record carrier inserted from a predetermined direction, and when the reproducing means retreats, the record carrier is moved from the storage means in a direction opposite to the insertion direction. 7. The reproducing apparatus for a disk-shaped record carrier according to claim 2, wherein the apparatus is pulled out and the holding is released. 8. The apparatus for reproducing a disc-shaped record carrier according to claim 1, wherein said reproducing means is also capable of recording on said record carrier.