JP4280864B2 - Electronics - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an electronic device, and is suitable for application to an on-vehicle acoustic device.
[0002]
[Prior art]
In order to prevent the device body from being stolen from an automobile, a disc player or the like that is a vehicle-mounted acoustic device is provided with a front panel that can be opened and closed. When the front panel is opened when using the device main body, the first display portion, which is one surface of the front panel, disappears downward, while the operation surface, which is the other surface, faces upward. It is possible to expose and operate the operation surface. Then, by opening the front panel, the second display unit provided separately in the fixed unit is exposed, and the second display unit is used as the display unit instead of the first display unit.
[0003]
When the front panel is closed when the passenger leaves the vehicle, the second display unit is closed and the first display unit is exposed, and display is performed on the first display unit instead of the second display unit. When the engine key is turned off, the display on the first display portion of the front panel disappears and a camouflage surface is obtained.
[0004]
The camouflage surface is black, for example, with a design that is consistent with the peripheral part of the instrument body on the instrument panel, and the camouflage surface is exposed to the outside, so that it appears that the instrument body does not exist and the device is stolen. It becomes prevention.
[0005]
Examples of conventional electronic devices configured as described above include the following (see, for example, Patent Document 1).
[0006]
[Patent Document 1]
Japanese Unexamined Patent Publication No. 2002-104088 (paragraph number (0002))
[0007]
[Problems to be solved by the invention]
However, the provision of the two display parts, the first display part and the second display part, not only increases the cost, but also provides a display part on the front panel that opens and closes, so that a flexible circuit for energizing the front panel can be provided. Is necessary and complicated.
[0008]
Therefore, an object of the present invention is to provide an electronic device that solves the above-described problems.
[0009]
[Means for Solving the Problems]
In order to achieve the above object, a configuration of an electronic device according to claim 1 is formed in a substantially inverted U-shape with a fixed portion provided in a housing, and can be opened and closed with respect to the fixed portion and directed forward. An opening / closing portion that opens so as to fall down, a display portion that protrudes from the fixing portion so that the inside of the substantially inverted U-shaped opening / closing portion is buried , and is exposed regardless of the opening / closing state of the opening / closing portion , an operating portion exposed only when the closing portion is opened, characterized in that it comprises a.
[0010]
Such an electronic device is recognized as an electronic device because the operation portion is hidden when the opening / closing portion is closed and the camouflage surface is formed by turning off the display on the display portion when the opening / closing portion is closed. It will not prevent theft. Further, since the display unit is provided only in the fixed unit and not in the opening / closing unit, the manufacturing cost is reduced as compared with the case where the display unit is provided on both sides as in the prior art. Furthermore, the insertion / extraction port of, for example, a CD or MD disc is concealed at the upper part of the substantially inverted U-shaped opening / closing part, and the insertion / extraction opening can be exposed only when the opening / closing part is opened.
[0011]
According to a second aspect of the present invention, there is provided a configuration of the electronic apparatus according to the first aspect, wherein the display unit is turned on / off under other conditions regardless of the open / closed state of the open / close unit.
[0012]
In such an electronic device, for example, when the electronic device is for in-vehicle use, the display unit is turned on or off by turning the engine key on and off. For this reason, when the engine key is turned off and the vehicle is moved out of the vehicle, the display unit is turned off, so that the display unit becomes a camouflage surface and theft is prevented in advance.
[0013]
According to a third aspect of the present invention, in the electronic device according to the first aspect, the operation unit is provided on the back side of the opening / closing unit.
[0014]
In such an electronic device, when the opening / closing part is opened, the operation part is arranged on the upper surface of the opening / closing part, and the operability is good.
[0015]
According to a fourth aspect of the present invention, there is provided the electronic device according to the first aspect, wherein the operation unit is provided on at least one of the upper surface and both side surfaces of the display unit.
[0016]
In such an electronic device, since the operation unit is arranged on at least one of the upper surface and both side surfaces of the display unit, the operability is good.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of an electronic device according to the present invention will be described below. In this embodiment, the present invention is applied to an in-vehicle disc player.
[0018]
As shown in FIGS. 1 to 3, the disc player 1 is provided with a resin-made panel frame 3 on the front side of an outer frame 2 that houses electronic components, and the front panel 4 can be freely rotated around the panel frame 3. It is provided and configured.
[0019]
A panel frame (fixed portion) 3 is provided on the front side of the outer frame (housing) 2. And the display part 5 is provided in the state which protruded ahead in the panel frame 3 so that a display part may be exposed even if the front panel 4 is closed and opened. The panel frame 3 is provided with a front panel (opening / closing part) 4 that can be freely opened and closed. The front panel 4 is formed in a substantially inverted U shape, and is configured such that when the front panel 4 is closed, the inside of the substantially inverted U-shaped front panel 4 is filled with the display unit 5 so that the front surface is flush. ing. Since the front panel 4 is formed in a substantially inverted U shape, the disk insertion / extraction opening 6 formed in the upper center of the panel frame 3 shown in FIG. 3 is hidden by the front panel 4 and only when the front panel 4 is opened. The insertion / extraction opening 6 is exposed.
[0020]
An operation unit is provided on at least one of the back side of the front panel 4 and a portion of the panel frame 3 that is hidden by the front panel 4 so that the operation unit is exposed only when the front panel 4 is opened. It is done. As shown in FIG. 3, the operation unit is provided on the back side of the front panel 4. When the front panel 4 is opened by being tilted forward, the volume adjustment button 7 or the like (operation unit) is placed on the upper surface of the front panel 4. Exposed. An operation unit is also provided on the upper surface of the display unit 5 protruding forward, and a plurality of preset buttons (operation units) 8 for music selection are provided. In the present embodiment, no operation unit is provided on the vertical surface of the panel frame 3 where the protruding display unit 5 is not provided.
[0021]
The display unit 5 is configured to be turned on / off by the ON / OFF operation of the engine key (other conditions) regardless of the open / closed state of the front panel 4. A volume adjustment button 7 and the like provided on the front panel 4 are connected to the inside of the outer frame 2 through a flexible cable (not shown).
[0022]
Next, a configuration for opening and closing the front panel 4 will be described below. 4-7 shows the principal part of the mechanism for opening and closing the front panel 4.
[0023]
As shown in FIG. 4, the substantially disc-shaped drive cam 22 is rotatable about its rotation shaft 11, and a motor (not shown) includes an existing mechanism such as a worm and a worm wheel (not shown). It is linked and connected through. The drive cam 22 is formed with two C-shaped cam grooves 23, 24. One cam groove 23 is disposed inside the rotary shaft 11, and the cam groove 24 is disposed outside. . On the outer peripheral surface of the drive cam 22, there are a large-diameter portion 25 having a larger radial dimension around the rotation shaft 11 and a small-diameter portion 26 having a smaller radial dimension than the large-diameter portion 25. Are formed over a predetermined angular range.
[0024]
The drive cam 22 is provided with detection means 27 for detecting the open / closed state of the front panel 4 with respect to the panel frame 3. The detection means 27 can obtain detection signals corresponding to the three positions of the open position, the neutral position, and the closed position according to the position of the detector 27a. In FIG. 4, the detector 27a is in a neutral position indicated by a two-dot chain line. On the other hand, it is pressed by the large-diameter portion 25 of the drive cam 22 and turned leftward.
[0025]
FIG. 5 shows a drive mechanism of the front panel 4. The side surface of the front panel 4 is supported by the tips of the first arm 29 and the second arm 30, and the posture of the front panel 4 is controlled by the first arm 29 and the second arm 30.
[0026]
The first arm 29 has a rotation fulcrum 29 a attached to the inner side surface of the outer frame 2, and an engaging portion 29 b formed at the base end of the first arm 29 is engaged with the cam groove 23. Accordingly, as the drive cam 22 rotates in the clockwise direction, the engaging portion 29b is rotated about the rotation fulcrum 29a in the direction indicated by the solid line arrow (A). In FIG. 5, an engagement protrusion 29 c is formed at the tip of the portion extending to the right of the first arm 29, and the engagement protrusion 29 c is engaged with the slide groove 31 formed on the side surface of the front panel 4. Match. Therefore, when the engaging portion 29b engaged with the cam groove 23 is rotated in the direction indicated by the solid arrow (A) around the rotation fulcrum 29a, the engagement protrusion 29c is centered on the rotation fulcrum 29a. Is rotated in the direction indicated by the solid arrow (b) and moved downward.
[0027]
The second arm 30 has a rotation fulcrum 30 a attached to the inside of the side surface of the outer frame 2, and an engaging portion 30 b provided at the base end of the second arm 30 is engaged with the cam groove 24. Therefore, as the drive cam 22 rotates in the clockwise direction, the second arm 30 is rotated about the rotation fulcrum 30a in the direction indicated by the solid line arrow (c). In FIG. 5, the tip of the portion extending to the right of the second arm 30 is rotatably coupled to the side surface of the front panel 4 via a rotation support portion 30c. It is supported in a state where it can be rotated about 30c. For this reason, when the engaging portion 30b engaged with the cam groove 24 is rotated about the rotation fulcrum 30a in the direction indicated by the solid line arrow (c), the rotation support portion 30c is centered on the rotation fulcrum 30a. Is rotated in the direction indicated by the solid arrow (d) and moved upward.
[0028]
Although only one side surface of the front panel 4 is shown in FIG. 5, the other side surface is also supported by a similar arm.
[0029]
Next, the operation will be described. 1 and 6 show a state in which the front panel 4 is closed with respect to the panel frame 3. The engagement portions 29b and 30b of the first and second arms 29 and 30 are engaged with the cam grooves 23 and 24 formed in the drive cam 22 shown in FIG. In FIG. 6, a locus M indicated by a two-dot chain line in the cam groove 23 indicates the movement of the engaging portion 29 b of the first arm 29. In FIG. 6, the engaging portion 29 b is one of the cam grooves 23. It is in the state that has come to the end (left end). The engaging protrusion 29 c of the first arm 29 is located near the upper end of the slide groove 31. On the other hand, the locus N indicated by the alternate long and short dash line in the cam groove 24 indicates the movement of the engaging portion 30b of the second arm 30 in the cam groove 24. In FIG. 6, the engaging portion 30b is the cam groove. It is in the state which came to one end (right end) of 24. At this time, the drive cam 22 is in a state of being rotated counterclockwise, and the detector 27a of the detection means 27 is in a state of being rotated to the left in the drawing by the large diameter portion 25 of the drive cam 22, Thereby, it is detected that the front panel 4 is in a closed state. “PM” indicated by a circle in FIG. 6 is a mark (position mark) for clearly indicating the phase of the drive cam 22.
[0030]
FIG. 1 showing a state corresponding to FIG. 6 shows a state in which the front panel 4 is closed, and the display unit, the operation buttons, and the disk insertion / extraction port cannot be visually recognized at all. This shows a state in which the vehicle occupant has pulled out the engine key and has left the vehicle. Since the engine key is OFF, the display unit 5 is turned off and has a camouflage surface as shown in FIG. The camouflage surface is a surface in which all the display on the display unit 5 disappears, for example, the color of the display unit 5 is the same black as the color of the panel frame 3 and the front panel 4 and is not recognized by the disc player. . In reality, since the boundary between the front panel 4 and the display unit 5 is not understood, the entire front surface is completely black. Further, when the front panel 4 is closed, all the operation units are hidden. For this reason, it cannot be recognized as a disc player, and theft can be prevented beforehand.
[0031]
When the passenger gets into the car and turns the engine key to turn it ON, the display unit 5 is lit and becomes as shown in FIG. It is not until this time that the disc player is recognized.
[0032]
Next, an open / close button (not shown) is pressed to open the front panel 4. 3 and 7 show a state in which the front panel 4 is fully opened. First, FIG. 7 will be described. When the drive cam 22 is rotated clockwise from the state in which the front panel 4 in FIG. 6 is closed, the engaging portions 29b and 30b of the first and second arms 29 and 30 are opposite to each other in the cam grooves 23 and 24, respectively. Move to the end. The engaging portion 29b of the first arm 29 is located at the other end (the end opposite to FIG. 6) of the cam groove 23, and the engaging protrusion 29c of the first arm 29 is formed by the slide groove 31. It moves to a position that is slightly closer to the rotation support portion 30c side than the center. On the other hand, the engaging portion 30b of the second arm 30 moves to the other end of the cam groove 24 (the end opposite to FIG. 6). For this reason, the front panel 4 falls to the front and opens. At this time, the detector 27a of the detection means 27 is pushed and rotated to the right in the drawing by the large-diameter portion 25 of the drive cam 22, thereby detecting that the front panel 4 is open. The At this time, the mark PM is at a position substantially corresponding to the detection means 27.
[0033]
In the state of FIG. 7, as shown in FIG. 3, the operation surface which is the back surface of the front panel 4 is the top surface, and the volume adjustment button 7 and the like provided on the back surface is upward, and the operability is good. Further, by opening the front panel 4, the disc insertion / extraction opening 6 is exposed, and the disc can be inserted into and removed from the disc player. Further, although the preset button 8 is provided on the panel frame 3, since it is arranged on the upper surface of the display unit 5 protruding forward, the operability is good.
[0034]
Although the present embodiment shows the case where the electronic device is applied to an in-vehicle disc player, the present embodiment is not limited to this and can be applied to various electronic devices. Moreover, although the case where it provided only on the upper surface of the protruding display part was shown about the operation part provided in a fixing | fixed part, you may provide in the vertical surface which does not protrude. Furthermore, the operation unit is provided only on the upper surface of the display unit and both side surfaces. However, the operation unit is provided only on one side surface, only on both side surfaces, or on both the upper surface and both side surfaces. You can also Furthermore, in the present embodiment, the configuration in which the opening / closing portion is electrically opened / closed is shown, but a configuration in which the opening / closing portion is manually opened / closed may be used. Furthermore, in this embodiment, a display unit is not provided on the surface of the opening / closing unit, but a display unit may be provided.
[0035]
In addition, the panel part is provided on the front panel that is the opening and closing part, and the panel part is detachably provided on the front panel so that it is electrically and mechanically connected, so that the security code on the panel and the security code on the front panel match. Otherwise, the disc player can be configured not to be operated. In this case, when the passenger removes and removes the panel portion, it cannot be operated by the apparatus main body alone, and it is safe in terms of security as a theft prevention.
[0036]
【The invention's effect】
As can be seen from the above description, according to the electronic device of the first aspect, the housing is provided with the fixing portion, the fixing portion is provided with the display portion, and the display portion is opened and closed with respect to the fixing portion. A free opening / closing part is provided, an operation part that is exposed only when the opening / closing part is opened, and the display part is exposed regardless of the opening / closing state of the opening / closing part. In this state, the camouflage surface is formed by turning off the display of the display unit while the operation unit is hidden and the opening / closing unit is closed, so that the electronic device is not recognized and theft is prevented. Further, since the display unit is provided only in the fixed unit and not in the opening / closing unit, the manufacturing cost is reduced as compared with the case where the display unit is provided on both sides as in the prior art.
[Brief description of the drawings]
FIG. 1 is a perspective view of a disc player according to the present invention in an engine key OFF state.
FIG. 2 is a perspective view of a disc player according to the present invention in an engine key ON state.
FIG. 3 is a perspective view showing a state in which a front panel is opened with an engine key ON of a disc player according to the present invention.
FIG. 4 is a configuration diagram of a drive cam according to a disc player according to the present invention.
FIG. 5 is a configuration diagram showing a relationship between a drive arm and a front panel according to a disc player according to the present invention.
FIG. 6 is an explanatory diagram showing a state in which the front panel is closed in the disc player according to the present invention.
FIG. 7 is an explanatory diagram showing a state in which a front panel is opened in the disc player according to the present invention.
[Explanation of symbols]
2 ... Outer frame 3 ... Panel frame 4 ... Front panel 5 ... Display 7 ... Volume adjustment button 8 ... Preset button

Claims (4)

A fixing portion provided in the housing,
An opening / closing part that is formed in a substantially inverted U shape, is openable and closable with respect to the fixed part, and opens so as to fall forward ;
A display part that protrudes from the fixed part so as to be buried inside the substantially inverted U-shaped opening and closing part, and is exposed regardless of the opening and closing state of the opening and closing part ;
An operation unit that is exposed only when the opening and closing unit is open ;
An electronic apparatus comprising: a.   The electronic device according to claim 1, wherein the display unit is turned on / off under other conditions regardless of the open / closed state of the open / close unit. The electronic device according to claim 1 wherein the operating unit, characterized in that provided on the rear side of the opening and closing unit. The operating unit, an electronic device according to claim 1 or 3, characterized in that provided on at least one surface of the upper and side surfaces of the display unit.

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