JPH0684265A - Reproducing device for recording medium - Google Patents

Abstract

PURPOSE:To provide technique for reducing the height-wise dimension and the breadth-wise dimension of a front panel in a reproducing machine which can house a lot of disks. CONSTITUTION:Tray stockers 4 and 5 are arranged on left and right sides, an elevator 8 for elevating trays 14 is arranged at the back of these tray stockers 4 and 5, the elevator 8 is provided with a tray pull-out mechanism 16 and disk clampers 15 the same as many as the tray stockers 4 and 5, and a reproducing mechanism 10 is arranged under the elevator. Therefore, since two tray stockers are arranged, the height of the tray stocker can be reduced and since the elevator for elevating the trays is arranged at the back of the tray stockers, the width of the front panel can be reduced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recording medium reproducing apparatus suitable for reproducing a compact disc.

[0002]

2. Description of the Related Art As a device for setting a large number of discs in advance and selectively reproducing the discs, a magazine for an optical disc autochanger is proposed, for example, in Japanese Utility Model Publication No. 4-26461, and in Japanese Patent Laid-Open Publication No. 4-74349. A rotary disk storage device has been proposed. That is, FIG. 10 is an explanatory view of a conventional magazine case, in which a desired disc 101 is placed on a tray 102, and the tray 102 is horizontally inserted into the magazine case 103. The magazine case 103 is inserted into the reproducing device 104. In the reproducing device 104, the tray 102 is pulled out from the mounted magazine case 103 and reproduced. It is necessary to pull out the magazine case 103 from the reproducing device 104 each time the disc 101 is replaced.

11 (a) and 11 (b) are explanatory views of a conventional rotary disk storage device, in which a tray stocker 112 for storing trays 111 in a multi-stage drawer state is provided inside a reproducing device 110. Installed. The tray stocker 112 is characterized by rotating 90 ° horizontally. That is, in FIG. 11A, a disc is placed on any tray 111 and the tray 111 is pushed. Next, in FIG. 11B, the tray stocker 112 is rotated by 90 °, and the desired tray 111 is pulled out to the reproducing unit and reproduced.

FIG. 12 is an explanatory view of a drawer claw of a conventional tray drawer mechanism. To draw out a disc (that is, a tray) from the magazine case 103 or the tray stocker 112 for reproduction in FIGS. The pull-out claw 120 is locked in the recess 121 provided in the rear portion of the tray 102.

[0005]

In the magazine case system of FIG. 10, it is necessary to pull out the magazine case 103 from the regenerator 104 each time the disc 101 is replaced, and the operation is troublesome. Furthermore, magazine case 103
Since it is detachable, there is a disadvantage that if the magazine case 103 is lost, the disc cannot be reproduced.

The rotary tray stocker system of FIG. 11 requires a rotating mechanism, and the tray stocker 112 needs to be rotated every time a disc is exchanged, which requires a long operation time. Since the rotation mechanism is frequently loaded, a load is imposed on the rotation mechanism. Therefore, the rotation mechanism becomes a large-sized mechanism having high durability, and it is difficult to downsize the regenerator. Furthermore,
To increase the number of discs that can be stocked, it is necessary to proportionally increase the height of the tray stocker 112.
0 becomes bigger and bigger.

A bending moment indicated by an arrow in the drawing is generated in the pull-out claw 120 of FIG. Therefore, the drawer claw 120
It is necessary to increase the thickness of the claw to increase the bending rigidity of the.

SUMMARY OF THE INVENTION An object of the present invention is to provide a technique for reducing the height and the width of the front surface of a player capable of storing a large number of discs.

[0009]

In order to achieve the above object, the present invention provides at least two tray stockers on the left and right sides, and arranges an elevator for raising and lowering the trays behind these tray stockers, and a tray drawer for this elevator. A reproducing apparatus for a recording medium is configured by providing a mechanism, the same number of disk clampers as the tray stockers in the elevator, and disposing the reproducing mechanism below the elevator.

Then, the tray pull-out mechanism is a mechanism for simultaneously pulling out a plurality of trays of the same level, or a single reproducing mechanism is provided, and a reproducing section shift mechanism for moving the recording medium selected below the reproducing mechanism is provided. You should be prepared.

[0011]

The recording medium is placed on the tray, the tray is put into the tray stocker from the front side, an arbitrary tray is transferred from the tray stocker to the elevator behind, and the elevator is lowered to move the recording medium to the reproducing mechanism. To reproduce.

The tray pull-out mechanism is a mechanism for simultaneously pulling out a plurality of trays of the same level so that an average external force acts on the pull-out claws. By moving the disc reproducing mechanism by the reproducing unit shift mechanism, the number of the disc reproducing mechanisms is reduced to one, and the number of mechanisms is reduced.

[0013]

Embodiments of the present invention will be described below with reference to the accompanying drawings. The drawings should be viewed in the direction of the reference numerals.
FIG. 1 is a usage state diagram of a recording medium reproducing apparatus according to the present invention. For example, the recording medium reproducing apparatus 1 is used in a combination of a control unit 50 and a remote control transmitter 51, which are separately installed,
By integrating an amplifier, a printed circuit board and other control devices in the control unit 50, the size and weight of the recording medium reproducing apparatus 1 can be reduced.

FIG. 2 is a perspective view of a recording medium reproducing apparatus according to the present invention. The recording medium reproducing apparatus 1 has at least two left and right tray stockers 4 and 5 mounted on a base 3 of a housing 2. Attach the top plate 6 to the upper part of the
A door 7 that closes the front surfaces of the tray stockers 4 and 5 is mounted between the tray stockers 4 and 5, and an elevator 8 is arranged behind the tray stockers 4 and 5, and the regeneration mechanism 1 is provided below the elevator 8 or on the base 3.
0 is arranged, and the vertical belt 13 driven by the guide rod 11 and the motor 12 is passed between the top plate 6 and the base 3 on the right side and the left side when viewed from the front, and one point of the vertical belt 13 is moved to the elevator 8 Fastened to the elevator 8
The disk clampers 15 and 15 and the tray withdrawing mechanism 16 are attached to the.

The tray stockers 4, 5 are provided with about 50 horizontal grooves 4a, 5a, ... Each tray 14 is inserted into these horizontal grooves 4a, 5a. The inserted tray 14 is characterized in that it can be pulled out to both the front and the back from the tray stockers 4 and 5.

The elevator 8 is also provided with horizontal grooves 8a, 8a for holding the trays 14, 14. The tray pull-out mechanism 16 connects a slider 18 having two pull-out pawls 17 and 17 to one point of a horizontal belt 19, and the horizontal belt 19 is normally and reversely rotated by a motor 20 to move the slider 18 to the guide groove 8b on the elevator 8 side. It is a mechanism that moves back and forth along the line. That is, the tray pull-out mechanism 16 not only simply pulls out the tray 14, but also inserts the tray 14 into the tray stockers 4, 5. The disc clampers 15 and 15 serve to hold down a recording medium such as a disc during reproduction.

A lock lever 23 of a door lock mechanism 22 is vertically swingably mounted on the outside of the upper part of the right tray stocker 5, and a hook member 24 is mounted on the upper rear surface of the door 7. Details of these will be described later.

FIG. 3 is a lower conceptual view of the reproducing apparatus of the present invention, showing the positional relationship between the left and right tray stockers 4 and 5 and the elevator 8 behind them, and showing the details of the reproducing mechanism 10. The reproducing mechanism 10 includes a turntable 2 on a swing plate 28 having a substantially fan shape with a pin 27 on the base 3 as a swing center.
9. A reproducing unit 30 mainly including an optical pickup (not shown) is mounted, and is driven by a reproducing unit shift mechanism 31 described below.

The reproducing section shift mechanism 31 comprises a motor 32 and a gear 33, and has a fan gear section 28 engraved on a swing plate 28.
By rotating the gear 33 that meshes with a, it moves to the position indicated by the imaginary line. This example is characterized in that only one reproducing mechanism 10 is arranged for two tray stockers 4 and 5 on the left and right. Playback section shift mechanism 3 for realizing it
1 is not limited to the above example, for example, a straight rail is laid behind the tray stockers 4 and 5, the reproducing unit 30 is placed on the rail, and the reproducing unit 30 is a cylinder,
It can also be used with three or more tray stockers by moving it with a link or belt. Therefore, the reproducing unit shift mechanism 31 may be of any type as long as it allows the reproducing unit 30 to face any one of a plurality of tray stockers.

The tray lock mechanisms 40, 40 are shown on the left and right of the center of FIG. 3, but these will be described in detail later.

FIG. 4 is an explanatory view of the tray pull-out claw of the present invention. As described briefly in FIG.
Individual drawing claws 17, 17 are formed to project, one of which is L-shaped and the other of which is reverse L-shaped.
The bending moments are generated, but they cancel each other out, and the slider 18 is hardly affected. Further, since the pull-out claws 17, 17 are smaller than the recesses 14a, 14a of the tray 14, the pull-out claws 17, 17 are different from the recesses 14a, 1 in the stacked trays 14 ...
4a can be passed up and down.

FIG. 5 is a door lock mechanism according to the present invention. The door lock mechanism 22 pushes up the rear end of the lock lever 23 pin-locked to the tray stocker 5 by the elevator 8 only when the door is opened. It is characterized in that it is configured in. That is, when the elevator 8 is located in the "tray drawing range" and the "reproduction position" shown on the right side of the drawing, the spring 25
The tip of the lock lever 23 is pulled by the hook of the hook member 24.
, And locks the door 7. When a door open button (not shown) is pressed or a door open command is issued by the remote control transmitter, the elevator 8 rises to the "door open position" in FIG. 5 and unlocks. Door 7 has push spring 26
Is kicked in the opening direction.

FIG. 6 is a diagram of a tray lock mechanism according to the present invention. The group of trays 14 stored in the tray stockers 4 and 5 can be easily prevented from slipping out forward by closing the door 7. However, this is not the case for preventing the slip-out to the back, so the feature is that the tray lock mechanism 40 is used to prevent the slip-out to the back. Tray lock mechanism 40, 40
The overall arrangement is as described in FIG. 3, but as shown in FIG. 6, the shutter 41 swings around the vertical axis, and the shutter lock member 42 attached to the elevator 8.

7A and 7B are detailed views of the shutter. As shown in FIG. 7B (corresponding to the front view of the shutter 41), the shutter 41 has a large cutout 43. Therefore, by moving the elevator 8 up and down, as shown in FIG.
If the shutter lock member 42 is in the "tray pull-out range" as shown in, the shutter lock member 42 is disengaged, so that the shutter 41 can rotate about the vertical axis.
Allows 4 drawers. If the shutter lock member 42 is in the "door open position" or the "reproduction position", the shutter lock member 42 engages with the shutter 41 to restrict the rotation.

The operation of the recording medium reproducing apparatus having the above configuration will be described below. In FIG. 2, the tray 14 in which one disc is set is inserted into the left and right tray stockers 4 and 5 from the door side. In this embodiment, the tray 14 is used up to 100 sheets.
You can insert ... When the number of sheets is less than 50, the trays 14 and 14 are inserted at least as a pair.

When the door 7 is closed and the disc is selected, the elevator 8 descends to that stage. Next, the tray 14 is pulled into the elevator 8 by the tray pull-out mechanism 16. At this time, the left and right two trays 14, 14 are characteristically pulled in at one time. During this time, the reproduction mechanism 10 moves to the side designated by the reproduction unit shift mechanism 31 and stands by there. The elevator 8 descends to the reproducing position, where the disc is placed on the turntable 29, and the reproducing unit 30 reproduces the recording medium. The reproduced discs are returned to the original tray stockers 4 and 5 in the reverse order. By repeating the above operation, for example, 100 discs can be reproduced.

FIG. 8 is a diagram showing another embodiment of FIG. 2, in which one or a plurality of partition plates 4 are provided in the tray stockers 4 and 5, respectively.
It is characterized in that c and 5c are integrally formed. Since the partition plates 4c and 5c are effective reinforcing members for the tray stockers 4 and 5, it is possible to reduce the wall thickness of the left and right side plates 4d and 5d of the tray stocker, for example. With the partition plates 4c and 5c, it is easy to check the position of the tray 14, and when the number of discs to be played is small, only the upper side is used.
Many handling advantages.

1 and 2, the door 7 has a transparent window 7
Since a and 7a are attached, the surface of the tray 14 on the door side is colored, and for example, by changing the color according to genre, it is possible to easily identify the tray 14 on which the desired disc is mounted through the see-through windows 7a and 7a in FIG. .

9 (a) and 9 (b) are views of a modified embodiment of FIG. 7, in which the elevator 8 is provided with a lock member 45 having a cam groove 44.
(Fig. 9 (b)), while the shutter 46 has pin 4
7 and 47 are projected (FIG. 9A), and the pin 4 is inserted in the cam groove 44.
The shutter 46 is locked when 7 is fitted. Other operations are the same as in FIG. 7.

In the present embodiment, the recording medium has been described by taking a compact disc as an example, but the recording medium is not limited to this, and may be a disc such as a magneto-optical disc or any other medium capable of recording information.

[0031]

As described above, the present invention reduces the height of the tray stocker by arranging at least two tray stockers on the left and right sides, and arranges an elevator for raising and lowering the tray stocker behind these tray stockers. Since this elevator is provided with a tray pull-out mechanism, the elevator is provided with the same number of disk clampers as the number of tray stockers, and the reproducing mechanism is arranged below the elevator, the front width can be reduced, and thus the front surface of the reproducing apparatus can be reduced. The size can be significantly reduced.

By making the tray drawer mechanism a mechanism for simultaneously drawing out a plurality of trays of the same level, an average external force acts on the drawer claws, and it is necessary to provide a tray drawer mechanism for each tray stocker. Since there are none, the number of mechanisms can be reduced.

Similarly, the number of disk reproducing mechanisms can be reduced to one by moving the disk reproducing mechanism by the reproducing unit shift mechanism, and the number of mechanisms can be reduced.

[Brief description of drawings]

FIG. 1 is a state of use of a recording medium reproducing apparatus according to the present invention.

FIG. 2 is a perspective view of a reproducing apparatus for a recording medium of the present invention.

FIG. 3 is a conceptual diagram of a lower portion of the reproducing apparatus of the present invention.

FIG. 4 is an explanatory view of a tray pullout claw of the present invention.

FIG. 5 is a diagram of a door lock mechanism according to the present invention.

FIG. 6 is a tray lock mechanism diagram according to the present invention.

FIG. 7 is a detailed view of a shutter according to the present invention.

FIG. 8 is a diagram of another embodiment of FIG.

FIG. 9 is a modified embodiment diagram of FIG.

FIG. 10 is an explanatory diagram of a conventional magazine case.

FIG. 11 is an explanatory view of a conventional rotary disk storage device.

FIG. 12 is an explanatory view of a drawer claw of a conventional tray drawer mechanism.

[Explanation of symbols]

1 ... Recording medium reproducing apparatus, 4, 5 ... Tray stocker, 7
... door, 8 ... elevator, 10 ... reproduction mechanism, 14 ... tray, 15 ... disk clamper, 16 ... tray drawer mechanism, 17 ... drawing pawl, 18 ... slider, 22 ... door lock mechanism, 23 ... lock lever, 30 ... reproduction Unit, 3
1 ... Playback shift mechanism, 40 ... Tray lock mechanism.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yukio Noya, 3-12 Moriya-cho, Kanagawa-ku, Yokohama, Kanagawa Prefecture Victor Company of Japan, Ltd. 12th In Victor Company of Japan (72) Inventor Manabu Taguchi 3-chome Moriya-cho, Kanagawa-ku, Kanagawa Prefecture 12th In Victor Company of Japan (72) Akira Yamanaka 3-chome Moriya-cho, Kanagawa-ku, Yokohama Address 12 Victor Company of Japan, Ltd.

Claims (3)

[Claims] 1. An elevator for arranging at least two tray stockers for storing a plurality of trays for storing recording media such as discs in a multi-drawing manner so that the trays can be raised and lowered behind these tray stockers. The elevator is provided with a tray pull-out mechanism, the elevator is provided with the same number of disk clampers as the tray stocker, and the reproducing mechanism is provided below the elevator. This tray is put in the tray stocker, and any tray is transferred from the tray stocker to the elevator behind, and the elevator is lowered to move the recording medium to the reproducing mechanism so that the recording medium is reproduced. Recording medium reproducing device. 2. The recording medium reproducing apparatus according to claim 1, wherein the tray pull-out mechanism is a mechanism for simultaneously pulling out a plurality of trays of the same level. 3. A reproducing apparatus for a recording medium according to claim 1, wherein the reproducing mechanism is one and is provided with a reproducing unit shift mechanism for moving the recording medium to the lower side of the selected recording medium. .