JPH07111118A - Control button device - Google Patents

Abstract

PURPOSE:To show that a holding mode (the mode in which operations on a pressure plate are not valid) is being selected by making a transparent display portion have the same color as a case. CONSTITUTION:An end plate 22 disposed behind a pressure plate 4 for pressing a diaphragm switch 83 is rotated as a holding switch 6 is operated. In the holding mode, the end plate 22 forces its portion 24 of the same color as a case 1 to face transparent display portions 14, 15, 16, 17, while when not in the holding mode the end plate 22 forces its portion 23 of different color from the case 1 to face the transparent display portions 14, 15, 16, 17.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an operation button device for pressing a switch connected to an electronic circuit section in an electronic device such as a recording and / or reproducing device and a remote control device.

[0002]

2. Description of the Related Art Conventionally, a television device, a radio device,
An electronic button device such as a tape player and a disk player, which is exemplified as a recording and / or reproducing device, uses an operation button device for pressing a switch connected to an electronic circuit section. As shown in FIG. 19, this operation button device has a pressing plate 101 that is pressed by fingers. The pressing plate 101 is the outer casing 1 of the electronic device.
It is disposed on the outer surface portion of 02, and when it is pressed, it is displaced to the inner side of the outer housing 102 and presses the switch arranged in the outer housing 102.

By the way, in the operation button device as described above, due to the diversification of operation modes of electronic devices and the multi-functionalization of the remote control device for remotely operating the electronic devices, only when a specific operation mode is selected. There are pressure plates used and pressure plates used only when the remote control device is not used. Therefore, on the outer casing of the electronic device,
That is, a large number of pressing plates that are not used in the operation modes that are often selected are arranged, and the degree of freedom in the internal mechanical design and external design is unduly impaired.

Therefore, in the above-mentioned operation button device, conventionally, each pressing plate 101 is made to correspond to a plurality of functions corresponding to the operation mode of the electronic device, and the function corresponding to the selected operation mode is made. It is being made to work selectively. That is, each of the pressing plates 101
Are used for the corresponding first function in the first operation mode selectively operated by the mode selection slider switch 103, and are respectively used in the second operation mode by the mode selection slider switch 103. Used for the corresponding second function.

Further, in the above electronic device, as one of the operation modes, the remote control device is used, and the operation mode selected and being executed is prevented from being stopped or changed by an erroneous operation. ,
There are some models that allow you to select the hold mode. In this hold mode, each of the pressing plates 10
The pressing operation on 1 is invalidated. That is, the hold mode is selected in parallel with other operation modes such as the reproduction mode and the recording mode.

As means for executing this hold mode, mechanical means or electric means is used. The mechanical means is to mechanically prevent the displacement of each pressing plate 101. The electrical means is to disconnect the connection between the switch and the electronic circuit section, or to control the electronic circuit section so as not to perform an operation corresponding to the switch even if the switch is pressed. Is to

[0007]

By the way, in the above-mentioned operation button device, when the function corresponding to each pressing plate 101 is changed according to the selected operation mode, selection is made. Displaying the function corresponding to each pressing plate 101 in the operating mode is difficult to understand and is a factor causing an erroneous operation.

That is, all the functions that can be supported in each operation mode are displayed on each of the pressing plates 101, and which of these displays is effective is determined by the selected operation mode. It is necessary to judge depending on whether there is.

When the hold mode can be selected as one of the operation modes, if it is difficult to display whether or not the hold mode is selected, it is effective to press the pressing plates 101. Since it is difficult to determine the invalidity, there is a possibility that the electronic device may be misunderstood when the hold mode is selected.

Conventionally, as shown in FIGS. 20 and 21, a shutter member 104 that can be slid is provided near each of the pressing plates 101, and the hold mode is linked with the sliding operation of the shutter member 104. An operation button device configured to be selected has been proposed. In this operation button device, when the hold mode is selected, as shown in FIG.
Is covered by the shutter member 104, and the pressing operation is blocked. At this time, the shutter member 104
Indicates that the hold mode is selected by covering the pressing plates 101. Then, in this operation button device, when the non-hold mode (operation mode) is selected, as shown in FIG.
As shown in FIG. 0, the shutter member 104 allows the pressing plates 101 to face outward and enables the pressing operation on the pressing plates 101. Further, at this time, the shutter member 104 indicates that the hold mode is not selected by exposing the pressing plates 101 to the outside.

However, such a shutter member 1
The operation button device configured with 04 has a complicated structure, which hinders easy assembly and manufacturing and downsizing of the device structure.

Therefore, the present invention has been proposed in view of the above-mentioned circumstances, and has a simple structure and is capable of facilitating assembly and manufacturing and downsizing the device structure. In accordance with the selection of one operation mode from the plurality of operation modes, the switching state of the function corresponding to each pressing plate is clearly displayed, and if the hold mode can be selected as one of the operation modes, It is an object of the present invention to provide an operation button device in which the selection of the hold mode is clearly displayed and an erroneous operation or misunderstanding can be prevented.

[0013]

In order to solve the above problems and achieve the above objects, an operation button device according to the present invention is an operation button for pressing a switch connected to an electronic circuit section in an electronic device. In the device, a pressing plate that presses the switch by being pressed, a light transmitting portion formed over a front surface portion and a back surface of a pressed portion of the pressing plate that is pressed, A curtain plate is provided on the back surface side of the pressing plate so as to be movable and has at least two kinds of display portions according to the number of operation modes of the electronic device.
The curtain plate is moved in conjunction with the operation mode selection operation of the electronic device, and a display portion corresponding to the selected operation mode is made to face the light transmission portion.

Further, according to the present invention, in the operation button device, each of the display portions is colored in a different color, and the light transmitting portion has a character, a symbol, or another ideographic shape. Is.

Further, according to the present invention, in the operation button device, one of the operation modes is a hold mode for disabling an operation on a switch, and a display portion corresponding to the hold mode is an outer casing of the electronic device. The color of the outer surface of the body is approximately the same as the color of the outer surface.

Further, according to the present invention, in each of the above-mentioned operation button devices, the curtain plate is rotatably supported with its center portion pivotally supported, and the display portion is on the peripheral side of the center portion of the curtain plate. Are arranged in an arc shape, and the pressed portion of the pressing plate is arranged on an arc centered on the central portion of the curtain plate.

Further, according to the present invention, in the above-mentioned operation button device, the display portion displays characters, symbols, or other ideographic shapes.

[0018]

In the operation button device according to the present invention, the operation button device is arranged movably on the back surface side of the pressing plate that presses the switch connected to the electronic circuit section of the electronic device when the electronic device is pressed. At least 2 depending on the number of operating modes
The curtain plate having more than one kind of display portion is moved in conjunction with the operation mode selection operation of the electronic device, and the display portion corresponding to the selected operation mode is used as the surface portion of the pressed portion of the pressing plate. Since it is opposed to the light transmitting portion formed over the back surface portion, the selected operation mode can be discriminated by the display portion which is visually recognized through the light transmitting portion.

Further, in the operation button device, when the respective display portions are colored in different colors and the light transmitting portion has a character, a symbol, or another ideographic shape, the operation is performed. Characters, symbols, or characters displayed in the color of the display area that is selected according to the mode selected
Other ideographic shapes can be visually recognized.

Further, in the operation button device, one of the operation modes is a hold mode for invalidating the operation on the switch, and the display portion corresponding to the hold mode is the outer surface portion of the outer casing of the electronic device. When the hold mode is selected, the characters, symbols, or other ideological shapes that are the shape of the light transmissive portion are the same as the color of the outer casing. Since the color is displayed in substantially the same color as the color of the outer surface of the body, it is similar to the state in which these characters, symbols, or other ideographic shapes are not displayed.

Further, in each of the above-mentioned operation button devices, the curtain plate is rotatably supported with its center portion pivotally supported, and the display portion is formed in an arc shape around the center portion of the curtain plate. If the pressed portions of the pressing plates are arranged in an arc centered on the central portion of the curtain plate, the display can be performed by rotating the curtain plate. The positional relationship between the portion and the light transmitting portion can be changed, and the configuration can be downsized.

In the above-mentioned operation button device, if the display portion is to display characters, symbols, or other ideographic shapes, it is selected through the light transmitting portion. Selected characters according to the operating mode,
Symbols or other ideographic shapes are visible.

[0023]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Specific embodiments of the present invention will be described below with reference to the drawings. In this example, the operation button device according to the present invention is applied to a recording and / or reproducing device (tape recorder device) which is an electronic device for recording and / or reproducing an information signal with respect to a magnetic tape housed in a tape cassette. Here is an example.

This recording and / or reproducing apparatus has an outer casing 1 as shown in FIGS. The outer housing 1 is configured as a thin housing whose main surface portion has a rectangular shape that substantially corresponds to a tape cassette (not shown). On one main surface portion (back surface portion) of the outer housing 1, a cassette mounting portion to which the tape cassette is mounted is formed. The cassette mounting portion includes a positioning member for positioning and holding the cassette of the tape cassette, a pair of reel shafts inserted and engaged corresponding to the pair of reels of the tape cassette, and rotating and operating the reels.
The tape cassette comprises a capstan shaft for feeding and operating a magnetic tape and a pinch roller, and a magnetic head device for writing and / or reading an information signal to and from the magnetic tape.

The recording and / or reproducing apparatus is constructed so that the tape cassette can be mounted on the cassette mounting portion to record and / or reproduce the information signal on the magnetic tape of the tape cassette. .

On the one main surface portion of the outer casing 1, a lid body 2 capable of covering the cassette mounting portion is rotatably attached. The lid 2 has a lower edge side portion supported on the outer casing 1 via a hinge member 3, and as shown by an arrow B in FIG. 1, a closed lid position for covering the cassette mounting portion and the cassette mounting position. It is configured to be rotatable over an open position where the portion is exposed to the outside. The lid body 2 covers the tape cassette together with the cassette mounting portion when it is in the closed position with the tape cassette mounted in the cassette mounting portion. When the lid body 2 is in the open position, as shown by an arrow L in FIG.
The tape cassette can be attached to and detached from the cassette attachment portion.

The lid 2 has an engaged member 8 on the upper edge side.
have. An engaging member that is moved and operated via an open knob 7 is provided in the outer casing 1 at a position corresponding to the engaged member. When the lid body 2 is in the closed lid state, this engaging member engages with the engaged member 8 to lock the lid body 2 in the closed lid state, and to open the open knob 7. When the lid 2 is moved through the operation, the engagement with the engaged member 8 is released and the lid 2 can be opened.

On the side surface of the outer casing 1, there are a tape running mode selection switch 9, a noise reduction operation switch 10, a sound quality adjustment switch 11, a volume adjustment knob 12, a signal output and remote control terminal 13, a battery compartment cover. 18 are provided. The volume adjusting knob 12 has a part of the rotary knob protruding outward through a slit 21 provided in the outer casing 1. A secondary battery serving as a supply source of drive power for the recording and / or reproducing apparatus is housed in the battery chamber closed by the battery chamber cover 18.

In the outer casing 1, the magnetic head device, the motor for rotating each reel shaft, the various switches, the knobs, the terminals, and the operation button device according to the present invention described later are configured. An electronic circuit unit to which the switch is connected is arranged. The electronic circuit section controls the operations of the magnetic head and the motor in accordance with the operations on the switches and the knobs, and sends and receives information signals to and from the magnetic head and the terminals.

The operation button device according to the present invention is arranged on the other main surface portion (front surface portion) of the outer casing 1. The operation button device has a pressing plate 4. The pressing plate 4 is formed to have a size and a shape corresponding to the substantially circular recess 5 formed in the other main surface portion of the outer housing 1, and as shown in FIGS. 9 and 10, It is arranged so as to close the recess 5.

As shown in FIGS. 7 to 10, the pressing plate 4 is mounted on the bottom surface of the recess 5 by an elastic plate member 38 which is attached by a fixing means such as adhesion or welding. It is attached to 1. The elastic plate member 38 is integrally formed of an elastic material such as synthetic resin. The elastic plate member 38 has a substantially annular mounting portion on the peripheral side, and four displacement arm portions 3 extending from the mounting portion toward the inner side of the mounting portion.
9,39,39,39 and these displacement arm parts 39,3
It has a disk-shaped support plate portion 40 extended to the tip side of 9, 39, 39. That is, the support plate portion 40 is
The displacement arms 39, 39, 39, 39 are elastically displaced, so that they can be elastically displaced with respect to the mounting portion. A support projection insertion hole 96 is formed in the center of the support plate portion 40, and the support projection insertion hole 9 is formed.
A pair of screw insertion holes 41, 41 are formed on both sides of the hole 6.

As shown in FIG. 8, the pressing plate 4 has a circular bulge 89 located at the center of the back surface.
A support protrusion 88 and a pair of screw bosses 92, 92 are provided on the bulging portion 89. The support protrusion 88 is formed at the center of the bulging portion 89, that is, at the center of the pressing plate 4. The pair of screw bosses 9
2, 92 are formed on both sides of the support protrusion 88 at positions corresponding to the screw insertion holes 41, 41.

The pressing plate 4 has a pair of setscrews 86, 86 inserted into the screw insertion holes 41, 41 with the back surface abutting against the support plate 40 of the elastic plate member 38.
Is screwed into the screw bosses 92, 92,
It is attached to the support plate portion 40. At this time, the support protrusion 88 is inserted into the support protrusion insertion hole 96 and protrudes toward the bottom surface side of the recess 5 with respect to the support plate portion 40. Then, the supporting projection 88 makes the tip end contact the bottom surface of the recess 5. The recess 5
A pair of through holes 46, 46 corresponding to the set screws 86, 86 are formed on the bottom surface of the base plate on both sides of the central portion with which the support protrusion 88 abuts. That is, the set screws 86, 86 are inserted into the screw insertion holes 41, 41 of the support plate portion 40, and the screw bosses 92,
The operation of screwing into 92 can be performed through these through holes 46, 46.

The pressing plate 4 is provided with four transparent portions 14, 15, 16, 17 which are light transmitting portions. These transparent portions 14, 15, 16 and 17 are the pressed portions of the pressing plate 4 that are pressed, that is, the support projections 8.
It is formed over the front surface portion and the back surface portion at positions at intervals of 90 degrees on an arc surrounding 8. These transparent parts 14, 1
5, 16 and 17 have characters, symbols, or other ideographic shapes. That is, the transparent portion 14 on the upper side of the support protrusion 88 has a pair of triangular shapes that indicate mutually opposite directions, which means to start the reproduction mode and change the running direction of the magnetic tape. The transparent portion 15 on the lower side of the support protrusion 88 has a quadrangular shape which means that the reproduction mode is stopped. The support protrusion 88
The transparent portion 16 on the right side of the arrow has a shape of the character "FF" which means the fast-forward mode or the forward direction music selection mode. The transparent portion 17 on the left side of the support protrusion 88.
Has the shape of the character "REW" which means the rewind mode or the reverse direction music selection mode.

On the back side of the pressing plate 4, that is, on the inner side of the recess 5, a printed circuit board 81 constituting the electronic circuit section is provided. On this printed circuit board 81, four diaphragm switches 83, 83, 83, 83, which are switches constituting the operation button device according to the present invention, are provided. These diaphragm switches 83, 8
3, 83, and 83, in the electronic circuit section, start of the reproduction mode and change of the running direction of the magnetic tape, stop of the reproduction mode, fast-forward mode or forward music selection mode,
Also, it is a switch for instructing the rewind mode or the backward music selection mode. These diaphragm switches 83, 83, 83, 83 correspond to the four through holes 45, 45, 45, 45 opened at the upper position, the lower position, the right position and the left position of the bottom surface of the recess 5, respectively. Are facing each other. The diaphragm switch 83, 83, 8 is provided on the back surface of the pressing plate 4.
Four pressing protrusions 37, 37, 37, for pressing the 3,83 through the through holes 45, 45, 45, 45.
37 is projected. These pressing protrusions 37, 37, 3
Reference numerals 7 and 37 denote the transparent portions 14, 15, 16, 1 respectively.
7 corresponding to the through holes 45, 45, 45, 4
5 and the diaphragm switch 83, 83, 83, 8
3 is facing.

That is, the pressing plate 4 has the transparent portion 1
By pressing 4, 15, 16, and 17, as shown by arrows N and O in FIG. 9, the displacement arm portion 39 of the elastic plate member 38 is displaced and tilted, and the pressing protrusions 37 and 37 are formed. , 37, 37, one of the diaphragm switches 83, 83, 83, 83 is pressed. Therefore, each transparent portion 1 of the pressing plate 4 is
By pressing 4, 15, 16, 17, it is possible to instruct execution of each of the above operation modes.

Then, the pressing plate 4 and the elastic plate member 3 are
A curtain plate 22 is disposed between the first and second sides. This curtain 2
2 is formed as an annular flat plate surrounding the bulging portion 89 of the pressing plate 4. The curtain plate 22 is rotatably supported with respect to the pressing plate 4 by fitting the central hole portion 35 into the bulging portion 89. That is, this curtain plate 22 is
The central portion is in a state of being axially supported by using the bulging portion 89 as a spindle. The curtain plate 22 has the central hole 35.
Has a cutout portion 36 at the inner edge portion thereof, and the projection portion 9 projected to the peripheral portion of the bulging portion 89 is provided in the cutout portion 36.
By allowing 0 to enter, the rotatable range is restricted.

The curtain plate 22 has an engaging slit portion 34. The engagement slit portion 34 is formed as a notch formed inward from the outer peripheral edge of the curtain plate 22. The rotation arm 25 linked to the hold switch 6 which is a switch for selecting the operation mode is engaged with the engagement slit portion 34.

That is, this recording and / or reproducing apparatus has, as one of the operation modes, a hold mode for invalidating the operation on each of the diaphragm switches 83, and the hold mode is selected by the hold switch 6. It is configured to be able to. The hold switch 6 is attached to an edge of the outer housing 1 above the recess 5 so as to be slidable along the edge. The hold switch 6 is an electric means, that is, disconnects the diaphragm switch 83 from the electronic circuit section, or controls the electronic circuit section to press the diaphragm switch 83 to operate the diaphragm switch 83. The hold mode is executed by not executing the operation corresponding to the switch 83. The hold switch 6 is provided with an index 19 indicating that the hold mode is selected by being set at a position corresponding to the index 20 provided on the outer casing 1.

A switch operation piece 26 is attached to the hold switch 6 as shown in FIGS. 6 and 7. The switch operating piece 26 is formed in a substantially rod shape and has an engaging portion 80 that engages with the hold switch 6 at one end side, and the engaging portion 80 engages with the hold switch 6. . Then, this switch operation piece 26
Is provided with a switch operation recessed portion 50 in the middle thereof. The switch operating recess 50 is formed in the printed circuit board 8 described above.
Operator 8 of hold switch element 84 disposed on
5 is engaged. A rotating arm engaging recess 27 is provided on the other end side of the switch operating piece 26.
The rotary arm 25 is provided in the rotary arm engaging recess 27.
Are engaged.

The rotating arm 25 has the elastic plate member 3
A support piece 42 formed integrally with the outer casing 1 along the inner surface of the outer casing 1 is rotatably supported via a support shaft 32. The support shaft 32 is inserted into a support hole 87 provided at a substantially central portion of the rotating arm 25,
The support piece 42 is fitted and engaged in a fitting hole 43 provided in the support piece 42. The rotating arm 25 includes the curtain plate 22 on one end side.
Has an engagement pin 33 that engages with the engagement slit portion 34 of
On the other end side, the engaging protrusion 28 and the toggle spring 3 which are fitted into and engaged with the rotating arm engaging recess 27 of the switch operating piece 26.
It has a hooking pin 31 to which 0 is hooked.

The rotation arm 25 is rotated through the engagement protrusion 28 when the switch operation piece 26 is moved through the hold switch 6 to move the engagement pin 33. The curtain plate 22 is rotated through the above. When the hold switch 6 is slid to one side in order to select the hold mode as shown by an arrow D in FIG. 6, the rotary arm 25 is moved as shown by an arrow J in FIG. The engaging pin 33 is rotated in the direction of moving the engaging pin 33 downward, and the curtain plate 22 is rotated in the direction of moving the engaging slit portion 34 downward, as indicated by an arrow K in FIG.

Further, the rotation arm 25 has a substantially rotatable range by the toggle spring 30 hooked over the hooking pin 31 and the hooking protrusion 44 provided on the supporting piece 42. They are urged to rotate in two directions away from the central position. That is, the rotating arm 25 is biased by the toggle spring 30 to the one side when it is in the rotating position that is one side of substantially the center position of the rotatable range. Is also on the other side, the rotational position is biased to the other side.

First and second display portions 23 and 24 are formed on the curtain plate 22. First display portion 23
Are provided at four places on the arc around the center of the curtain plate 22 at intervals of 90 degrees, and have a color different from that of the outer surface portion of the outer housing 1, for example, a color of the outer surface portion of the outer housing 1. It is formed by being colored with a complementary color. The second display portions 24 are provided at four positions on the arc around the center of the curtain plate 22 at intervals of 90 degrees and between the first display portions 23, and the outer casing. It is formed by being colored in substantially the same color as the outer surface portion of the body 1.

The curtain 22 is used to select an operation mode.
That is, the display portions 23 and 24 corresponding to the selected operation mode are rotated about 40 degrees to about 45 degrees in conjunction with the selection and cancellation operations of the hold mode.
Is made to face each of the transparent portions 14, 15, 16, 17 described above.
That is, when the hold mode is selected by the hold switch 6, the curtain plate 22 displays the second display portions 24 on the transparent portions 14, 15, 16, 17 as shown in FIG. When the hold mode is released by the hold switch 6, the first display portions 23 are made to correspond to each other and the transparent portions 1 are made to face each other.
4, 15, 16 and 17 are made to face each other. That is, in this operation button device, when the hold mode is selected, as shown in FIG.
By seeing through the colors substantially the same as the color of the outer surface portion of the outer casing 1 from 4, 15, 16, and 17, the transparent portions 1
The existence of 4, 15, 16, and 17 is hidden, and it is expressed that the hold mode is selected. Then, in this operation button device, when the hold mode is released (when the operation mode is selected), as shown in FIG.
By seeing through a color different from the color of the outer surface portion of the outer casing 1 from 6, 6 and 17, the transparent portions 14, 15, 16, 1
The presence of 7 is highlighted, and the hold mode is released.

Incidentally, four claws 94, 94, 94, 94 are provided on the outer peripheral edge of the curtain plate 22 at intervals of about 90 degrees so as to project. Then, each of the through holes 4 in the recess 5
Contact pieces 95, 95, 95, 95 are provided on the side wall portions at positions corresponding to 5, 45, 45, 45 so as to project therefrom. The claws 94, 94, 94, 94 are located on the abutment pieces 95, 95, 95, 95 when the hold mode is selected and the curtain plate 22 is rotated. ing. In this state, even if the pressing plate 4 is pressed, the claw portion 94 abuts against the abutting piece 95 and the pressing protrusion 37 of the pressing plate 4 is prevented from pressing the diaphragm switch 83. To do. That is, in this operation button device, the hold mode is also executed by mechanically blocking the displacement of the mechanical means, that is, the pressing plate 4.

A light emitting element (LED) 93 for displaying the operating state of the recording and / or reproducing apparatus is arranged on the printed circuit board 81. The light emitted from the light emitting element 93 is visually recognized from the front side through the light transmitting hole 47 formed on the bottom surface of the recess 5 and the light transmitting portion 49 provided on the pressing plate 4.

The operation button device according to the present invention is not limited to the structure shown in the above-mentioned embodiment, and as shown in FIGS. 11 and 12, characters, symbols, or, on the curtain plate 22, may be used.
Display parts 55, 56, 5 displaying other ideographic shapes
It may be configured by providing 7, 58, 59, 60, 61, 62. The examples shown in FIGS. 11 and 12 are suitable examples in the case where the recording and / or reproducing apparatus has a built-in radio receiver. Display parts 55, 5 of the first group
Reference numerals 6, 57, and 58 are display portions when the recording and / or reproducing apparatus is used as a tape recorder apparatus, and conflict with each other, which means to start the reproducing mode and change the running direction of the magnetic tape. A display portion 55 showing a pair of triangular shapes that indicate the direction in which to play, and a display portion 5 showing a rectangular shape that means stopping the playback mode.
6, a display portion 57 showing the character "FF" which means the fast-forward mode or the forward direction music selection mode, and a display portion 58 showing the character "REW" which means the rewind mode or the backward direction music selection mode. Has become. These first
The display portions 55, 56, 57, 58 of the group are the curtain plates 22.
They are provided at four places on the arc around the center of the circle at intervals of 90 degrees. Display parts 59, 60, 61, 6 of the second group
Reference numeral 2 denotes a display portion when the recording and / or reproducing apparatus is used as a radio receiver, and a display portion 59 in which the character "BAND" indicating the selection of the reception band is displayed, and a power cutoff. A display portion 60 showing the shape of a quadrangle, a display portion 61 showing the character "+" indicating the ascending order channel selection mode, and a character "-" indicating the descending order channel selection mode are displayed. It is a display portion 62. The display portions 59, 60, 61, 62 of the second group are arranged at intervals of 90 degrees on an arc around the center of the curtain plate 22 and are arranged between the display portions 55, 56, 57, 58 of the first group. It is provided in four places.

In the operation button device shown in FIGS. 11 and 12, the transparent portions 14, 15, 16 and 17 have the display portions 55, 56, 57, 58, 59, 60 and 61, respectively.
It has a circular or rectangular shape having a size such that the characters, symbols and figures shown by 62 can be visually recognized from the outside. Then, the curtain plate 22 is rotated about 40 degrees to about 45 degrees in conjunction with the rotation operation of the TR switching ring 51 provided on the outer casing 1. The TR switching ring 51 is rotatably attached to the outer casing 1 and is rotated about 40 degrees to operate the recording and / or reproducing apparatus to operate the tape recorder. The operation is switched to either the device operation or the radio receiver operation. An index 52 is provided on the TR switching ring 52, and a T index 53 provided on the outer casing 1 is
Alternatively, by rotating the R index 54 to a position corresponding to the index 52, the operation of the tape recorder device or the operation of the radio receiver is executed.

The TR switching ring 51 shown in FIG.
As shown in FIG. 1, when the operation of the tape recorder device is selected, the curtain plate 22 is set to the transparent portion 1
4, 15, 16, 17 for the display portion 5 of the first group
5, 56, 57 and 58 are opposed to each other. Further, as shown in FIG. 12, when the operation of the radio receiver is selected by the TR switching ring 51, the curtain plate 22 causes the transparent portions 14, 15, 16, 17 to
The display portions 59, 60, 61, 62 of the second group are opposed to each other. In this way, in this operation button device, the functions corresponding to the transparent portions 14, 15, 16, 17 of the pressing plate 4 have the functions corresponding to the transparent portions 14, 15 according to the selected operation mode. , 16 and 17 are displayed.

The operation button device according to the present invention is shown in FIG.
As shown in FIG. 16 to FIG. 16, a linear curtain plate 74 may be arranged on the back side of a plurality of pressing plates 64 arranged in a straight line.

The pressing plates 64 are entirely made of a transparent material, and as shown in FIGS.
It is attached to the inner surface portion of the outer housing 1 via an elastic displacement piece 70 that is provided on one side. This elastic displacement part 7
The tip portion of 0 is attached to the outer casing 1 by a pair of screws 71, 71. Each of the pressing plates 64 faces the outside through a through hole 73 provided in the outer casing 1 and can be retracted into and out of the through hole 73. On the other side of each pressing plate 64, a pressing piece 67 is provided so as to project. The tip portion of the pressing piece 67 faces the diaphragm switch 68 arranged on the printed circuit board 69 which constitutes the electronic circuit portion. That is, the pressing plate 64
As shown in FIG. 18, by pressing,
The diaphragm switch 68 is pressed through the pressing piece 67 as indicated by an arrow M in FIG.

On the curtain plate 74, display portions 65 and 66 of the first group and the second group are alternately formed. The display portion 65 of the first group is colored with a color different from that of the outer surface portion of the outer housing 1, for example, a color that is a complementary color to the color of the outer surface portion of the outer housing 1, and has characters, symbols, or , And other ideographic shapes are displayed. These ideographic shapes are a triangular shape that means the start of the playback mode, a quadrangular shape that means the stop of the playback mode, a pair of triangular shapes that indicate one direction that means the fast-forward mode or the forward direction music selection mode. (Or “FF”), and a pair of triangular shapes (or “REW”) indicating the rewind mode or the backward direction music selection mode and indicating the other direction. The display portion 66 of the second group is colored in substantially the same color as the color of the outer surface portion of the outer casing 1.

The curtain plate 74 is linked to a hold switch 63, which is a switch for selecting an operation mode, via a link pin 75, and in conjunction with the slide operation of the hold switch 63, an arrow in FIG. G and arrow H
As shown in FIG. 5, the pressing plates 64 are slid in the arrangement direction.

The curtain plate 74 has the hold switch 6
3 is slid in the direction indicated by the arrow H in FIG. 14 to select the hold mode.
, The display portion 66 of the second group is made to face the pressing plates 64 so as to face the holding switch 63.
When the hold mode is released by sliding in the direction indicated by arrow G in FIG. 13, the display portion 65 of the first group is made to face the pressing plates 64 so as to face each other. That is, in this operation button device, when the hold mode is selected, as shown in FIG.
By seeing through the pressing plates 64 a color that is substantially the same as the color of the outer surface portion of the outer casing 1, the existence of the pressing plates 64 is hidden, and the hold mode is selected. Is expressed. Further, in this operation button device, when the hold mode is released (when the operation mode is selected), as shown in FIG. By seeing through the different color and the ideographic shape, the presence of each pressing plate 64 is highlighted, and the hold mode is released.

[0056]

As described above, in the operation button device according to the present invention, it is possible to move the switch connected to the electronic circuit portion of the electronic device to the back side of the pressing plate that is pressed. The curtain plate having at least two kinds of display portions according to the number of operation modes of the electronic device is moved in conjunction with the operation mode selection operation of the electronic device, and the selected operation mode is set. The corresponding display portion is opposed to the light transmitting portion formed over the front surface portion and the back surface portion of the pressed portion of the pressing plate.

Therefore, in this operation button device,
The selected operation mode can be discriminated by the display portion that is visually recognized through the light transmitting portion.

Further, in the operation button device, when the respective display portions are colored in different colors and the light transmitting portion has a character, a symbol, or other ideographic shape, the operation is performed. Characters, symbols, or characters displayed in the color of the display area that is selected according to the mode selected
Other ideographic shapes can be visually recognized.

Further, in the operation button device, one of the operation modes is a hold mode for invalidating the operation of the switch, and the display portion corresponding to the hold mode is the outer surface portion of the outer casing of the electronic device. When the hold mode is selected, the characters, symbols, or other ideological shapes that are the shape of the light transmissive portion are the same as the color of the outer casing. Since it is displayed in almost the same color as the color of the outer surface of the body, it can be approximated to the state in which these characters, symbols, or other ideographic shapes are not displayed.

Further, in each of the operation button devices described above, the curtain plate is rotatably supported with its center portion pivotally supported, and the display portion is formed in an arc shape around the center portion of the curtain plate. If the pressed portions of the pressing plates are arranged in an arc centered on the central portion of the curtain plate, the display can be performed by rotating the curtain plate. The positional relationship between the portion and the light transmitting portion can be changed, and the configuration can be downsized.

In the above-mentioned operation button device, if the display portion is to display characters, symbols, or other ideographic shapes, it is selected through the light transmitting portion. Selected characters according to the operating mode,
The symbols or other ideographic shapes can be visually recognized.

That is, according to the present invention, the structure is simple and the assembling and manufacturing can be facilitated and the device structure can be downsized. The function switching state corresponding to each pressing plate can be clearly displayed, and if the hold mode can be selected as one of the operation modes, the hold mode must be clearly displayed. Therefore, it is possible to provide an operation button device capable of preventing an erroneous operation or misunderstanding.

[Brief description of drawings]

FIG. 1 is a perspective view showing a configuration of a recording and / or reproducing apparatus including an operation button device according to the present invention.

FIG. 2 is a front view showing a configuration of the recording and / or reproducing apparatus.

FIG. 3 is a plan view showing a configuration of the recording and / or reproducing apparatus.

FIG. 4 is an enlarged front view showing a configuration of an operation button device in the recording and / or reproducing device.

FIG. 5 is an enlarged front view showing a state in which a hold mode is selected in the operation button device.

FIG. 6 is a front view showing an internal configuration of an operation button device in the recording and / or reproducing device.

FIG. 7 is an exploded perspective view showing an internal configuration of the operation button device.

FIG. 8 is a perspective view showing the shape of the back surface of the pressing plate of the operation button device.

FIG. 9 is a longitudinal sectional view showing a part of the configuration of the operation button device in a see-through manner.

FIG. 10 is a longitudinal sectional view of a portion different from FIG. 9 showing a part of the configuration of the operation button device in a see-through manner.

FIG. 11 is an enlarged front view showing another example of the configuration of the operation button device according to the present invention.

12 is an enlarged front view showing a state in which the mode is switched in the operation button device shown in FIG.

FIG. 13 is a plan view showing still another example of the configuration of the operation button device according to the present invention.

14 is a plan view showing a state in which the mode is switched in the operation button device shown in FIG.

15 is a perspective view showing an internal configuration of the operation button device shown in FIG.

16 is a vertical cross-sectional view showing the internal configuration of the operation button device shown in FIG.

17 is a perspective view showing a configuration of a pressing plate of the operation button device shown in FIG.

18 is an enlarged vertical cross-sectional view showing a state where the pressing plate of the operation button device shown in FIG. 13 is being pressed.

FIG. 19 is a plan view showing a configuration of a conventional operation button device.

FIG. 20 is a plan view showing another example of the configuration of the conventional operation button device and showing a state in an operation mode.

21 is a plan view showing a state in the hold mode of the conventional operation button device shown in FIG. 20. FIG.

[Explanation of symbols]

4,64 ................... Pressing plate 14,15,16,17 ...・ ・ ・ Transparent part 22,74 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Curtain plate 23 ・ ・..................... First display portion 24 Second display part 55, 56, 57, 58, 65 ..Display portion of first group 59,60,61,62,66 ........ Display portion of second group 81 ........・ ・ ・ ・ Printed circuit board 83 ・ ・ ・ ・............... diaphragm switch

Claims (5)

[Claims] 1. An operation button device for pressing a switch connected to an electronic circuit section in an electronic device, comprising: a pressing plate that presses the switch when pressed, and a pressing operation of the pressing plate. The light transmitting portion formed over the front surface portion and the rear surface portion of the pressed portion, and the rear surface side of the pressing plate, which are movably arranged, are arranged according to the number of operation modes of the electronic device. A curtain plate having at least two types of display portions is provided, and the curtain plate is moved and operated in conjunction with a selection operation of an operation mode of the electronic device, and the display portion according to the selected operation mode transmits the light. Operation button device facing the section. 2. The operation button device according to claim 1, wherein each display portion is colored in a color different from each other, and the light transmitting portion has a character, a symbol, or another ideographic shape. 3. One of the operation modes is a hold mode for invalidating an operation on a switch, and a display portion corresponding to the hold mode has substantially the same color as the color of the outer surface portion of the outer casing of the electronic device. The operation button device according to claim 2, which is a colored portion. 4. The curtain plate is rotatably supported with its center portion pivotally supported, and the display portion is arranged in an arc shape around the center portion of the curtain plate, and the pressed portion of the pressing plate is 4. The operation button device according to claim 1, wherein the operation button device is arranged on an arc centered on a central portion of the curtain plate. 5. The operation button device according to claim 1, wherein the display portion displays characters, symbols, or other ideographic shapes.