JPH05234461A - Electronic equipment device - Google Patents

Abstract

PURPOSE:To realize thinning and miniaturization of an electronic equipment itself and prevent the increase in power consumption ensuing from multifunctioning. CONSTITUTION:A switch change-over operation level 66 is slidably arranged in a space confined between an electric circuit substrate 41, which is arranged on an inner side of a lid body 2 rotatably provided in an electronic equipment main body, and a front panel 26 arranged on the lid body 1. The sliding operation of the switch changed-over operation lever 66 moves a display mark 69 provided on the end part of the operation lever 66, and through the visualization of the movement position via display windows 31 through 33 the change-over state is displayed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic device such as a tape recorder having a built-in radio receiver and having a receiving band switching mechanism for the radio receiver.

[0002]

2. Description of the Related Art Conventionally, a small-sized tape recorder has been used in which a tape cassette in which a stereo sound signal is recorded is used as a recording medium and a stereo reproduction is heard by headphones.

This small-sized tape recorder is provided in such a size that it can be easily carried with one hand, and further downsized to a size that can be stored in a pocket.

In this type of tape recorder, there is also provided a tape recorder with a radio receiver in which a radio receiver section is built in the recorder body so that the radio broadcast can be received. This tape recorder with a radio receiver is configured so that the radio receiver section and the audio amplification section such as a headphone amplifier of the tape recorder section and the power source section are shared, and the recorder main body is prevented from increasing in size.

[0005]

However, if the radio receiver section is built-in, it is necessary to provide a space for housing the radio receiver section in the recorder body, which increases the size of the recorder body. It becomes extremely difficult to prevent.

[0006] In order to prevent the recorder body from becoming large in size and allow the radio receiver section to be built in, a proposal has been made in which the radio receiver section is incorporated in the lid constituting the tape recorder. ing.

By the way, a tape recorder equipped with a radio receiver is also provided which is capable of receiving not only a single band of AM broadcast or FM broadcast but also multiband radio broadcast, like a single radio receiver. Has been done. In this type of tape recorder with a radio receiver, a reception band switching mechanism is provided to select a desired reception band.

However, if a radio receiver unit that enables reception of multi-band radio broadcasts is built in and a reception band switching mechanism is further provided, the reception band switching mechanism is provided in addition to the storage space of the radio receiver unit. Therefore, it becomes more difficult to reduce the size of the tape recorder.

Further, by providing the receiving band switching mechanism, a display device for displaying the receiving band selected according to the switching operation of the receiving band switching mechanism is required. Further, in the extremely small-sized tape recorder, the storage space for the power source such as the battery is also small, so that only a small-capacity power source can be provided. Therefore, it becomes extremely difficult to use an electrically driven display device.

Therefore, the present invention makes it possible to realize the further miniaturization of the electronic equipment device by effectively utilizing the small space of the multifunctional electronic equipment device.
The present invention has been proposed for the purpose of providing an electronic device apparatus capable of displaying a switching operation of a switch without using a power source and preventing an increase in power consumption due to the multi-functionalization.

[0011]

In order to achieve the above-mentioned object, an electronic equipment device according to the present invention has a lid body rotatably attached to the electronic equipment body for opening and closing the electronic equipment body. An electric circuit board with a changeover switch attached,
It has a front panel arranged on the electric circuit board, an engaging portion for engaging the operation element of the changeover switch, a display mark and an operation knob, and is slidable between the front panel and the electric circuit board. An intervening switch changeover operation lever is provided, and the operation knob of the switch changeover operation lever is projected from a through hole formed in the front panel, and the display mark is displayed on the display window provided on the front panel. Correspondingly, the electric circuit board and the electronic equipment main body are electrically connected by a flexible printed wiring board.

[0012]

According to the present invention, there is provided an electronic device including an electric circuit board disposed on an inner surface of a lid rotatably attached to an electronic device body and a front panel provided on the lid. A switch changeover operation lever is slidably arranged in the space constituted by. When the switch switching operation lever is slid by operating the operation knob, the display mark also moves integrally, and the movement position is visually recognized through the display window.

When the lid for opening and closing the electronic device body is rotated, the flexible printed wiring board is flexibly displaced in accordance with the rotation of the lid.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An example in which the present invention is applied to a tape recorder with a built-in radio receiver will be described below. A tape recorder with a built-in radio receiver to which the present invention is applied has a width of 110 when the tape cassette shown in FIG.
The height is 70 mm and the depth (thickness) is 22 mm.

The tape recorder comprises a recorder body 1 which constitutes a tape recorder portion, and a cassette lid 2 which is attached to the recorder body 1 so as to be openable and closable.

The recorder body 1 is, as shown in FIG. 3, a main housing 3 formed by punching and bending a metal plate.
And a sub-housing 4 formed by punching and bending a similar metal plate that can be slid in and out of the main housing 3. This sub-housing 4
4 is pulled out from the main housing 3 so that FIG.
As shown in, the tape cassette mounting portion 5 is formed on the upper surface side of the recorder body 1. This tape cassette mounting part 5
Is configured to be large enough to mount the standard size tape cassette C.

In the tape recorder, when the sub housing 4 is pulled out from the main housing 3,
The height is about 82 mm. A tape recorder in which a tape cassette mounting portion 5 capable of mounting a standard size tape cassette C in a state where the sub housing 4 is pulled out from the main housing 3 is configured on the upper surface side of the recorder body 1. Since the applicant of the present application has been proposed in Japanese Utility Model Laid-Open No. 59-14106, its detailed description will be omitted.

On the side of the main housing 3 which constitutes the recorder body 1 of this tape recorder, a tape running drive mechanism necessary for constructing the tape recorder, a mechanism section such as a mode selection switching mechanism, an audio amplifier (headphone amplifier),
A power supply unit and the like are provided. That is, the main housing 3
Is provided with a pair of reel drive shafts 8 which engage with a pair of reel hubs around which the magnetic tape of the tape cassette C is wound. These reel drive shafts 8, 8
Is disposed so as to protrude from the bottom plate 7 of the tape cassette mounting portion 5 so that the tip end side portion with which the reel hub engages protrudes into the tape cassette mounting portion 5, and is disposed in the main housing 3. It is selectively driven by a reel drive motor according to each operation mode such as a reproduction mode, a fast-forward mode or a rewind mode.

Further, one side of the main housing 3 is made to project into the tape cassette mounting portion 5 and holds a magnetic tape in cooperation with a pinch roller (not shown), and the magnetic tape is run at a constant speed. A capstan shaft 6 that constitutes a tape running mechanism is provided. The capstan shaft 6 is rotationally driven by a capstan drive motor provided in the main housing 3.

In addition, on one front side of the main housing 3,
A head housing portion 10 for housing a reproducing magnetic head for slidingly contacting a magnetic tape and reproducing an audio signal recorded on the magnetic tape, and a battery housing portion for accommodating a dry battery serving as a driving power source in and out freely. 11 is the main housing 3
Are provided along the longitudinal direction of. The magnetic head housed and arranged in the head housing section 10 is brought into a state of sliding contact with a magnetic tape which projects and runs into the tape cassette mounting section 5 in the reproducing operation mode. A headphone jack 12 into which a connection plug for headphones or earphones is inserted is provided at the end of the head housing section 10.

Furthermore, on the outer surface on one side of the main housing 3, a reproduction mode selection button 13 and a stop button 1 are provided.
4. A fast-forward mode selection button 15 and a rewind mode selection button 16 are arranged in parallel. Further, a volume control knob 17 is rotatably provided at a corner portion of the bottom of the main housing 3 on one side. Further, in the main housing 3, a switching operation knob 18 for switching between the tape recorder section and the radio receiver section and a noise reduction switching operation knob 20 are arranged in parallel.

On the other hand, a cassette lid 2 for closing the tape cassette mounting portion 5 is rotatably attached to a sub housing 4 slidably provided with respect to the main housing 3 via a hinge mechanism 25. This cassette lid 2
It is composed of a lid frame body 21 and a front panel 26. The lid frame body 21 includes a front plate 22a and side walls 22b and 22c provided so as to stand on both sides of the front plate 22a.
And a back wall 22d provided so as to stand on the back side of the front plate 22a, are formed by integrally molding synthetic resin.

A front panel 26 made of a transparent or translucent synthetic resin plate is joined to the surface of the front plate 22a of the lid frame 21. This front panel 2
6, a tape remaining amount display window 27 is provided in a substantially central portion so that the tape remaining amount of the tape cassette C mounted in the tape recorder cassette mounting portion 5 can be seen through from the outside. On the side of the tape remaining amount display window 27, a reception frequency scale of the radio receiver section is formed by printing.
The reception frequency scale in this embodiment is composed of an AM frequency scale section 28, an FM frequency scale section 29, and a 3-band frequency scale section of a television broadcast channel scale section 30. Further, on the surface of the front plate 22a, the band switching display window 3 corresponding to the scale portions 28, 29 and 30 is provided.
1, 32, 33 are provided, and the scale portions 2 are also provided.
A dial pointer display window 34 is provided along 8, 29 and 30.

It should be noted that, except for the portion where the tape remaining amount display window 27, the dial pointer display window 34 and the band switching display windows 31, 32, 33 of the front panel 22 are provided, the other portions are printed with an opaque paint. It is designed so that you cannot see through.

Front panel 22 constructed as described above
Is a ridge portion 3 provided on the outer periphery of the surface of the cassette lid 22.
The peripheral edge is positioned by 5 and is bonded to the lid frame body 21 with an adhesive.

The remaining tape amount display window 27 of the lid frame 21 is shown.
As shown in FIG. 1, a portion corresponding to is formed with a cutout portion 36 so that the inside can be seen through. Further, a portion corresponding to the dial pointer display window 34 is also cut out as a long hole 37, and a portion corresponding to the band switching display windows 31, 32, 33 is also formed as a cutout portion 73.

As shown in FIGS. 1 and 5, the cassette lid 2 is provided with a tuner section for each of AM and FM, an intermediate frequency amplification circuit, a detection circuit, an FM stereo demodulation circuit, and the like. An electric circuit board 41 on which an electronic circuit component 40 such as an IC circuit component that constitutes the receiver unit is mounted is arranged. An antenna mounting notch 43 for arranging the bar antenna 42 for receiving the AM wave so as to be housed therein is formed in a substantially central portion of the electric circuit board 41. A pair of antenna holders 44 and 45 made of nylon or the like are mounted on the surfaces of the antenna mounting notch 43 facing each other in the longitudinal direction. The antenna holders 44 and 45 are attached to the electric circuit board 41 by holding each end of the bar antenna 42 and supporting the bar antenna 42, and by holding a part of the electric circuit board 41 by the integral holding pieces 47 and 48.

As described above, since the bar antenna 42 is mounted so as to be housed in the antenna mounting notch 43 formed in the electric circuit board 41, the bar antenna 42 corresponds to the thickness of the electric circuit board 41. The space can be used to dispose the cassette lid 2 on the inner side surface side, and space can be saved.

The electric circuit board 41 to which the bar antenna 42 is attached is attached to the inner surface side of the cassette lid 2 by engaging the engaging hole 52 with the positioning projection 51 formed by standing up a part of the cassette lid 2. As a result, the mounting position is positioned. In addition, the electric circuit board 4
As shown in FIGS. 5 and 6, 1 is attached to the cassette lid 2 by joining the surface on which the electronic circuit component is not mounted to the back surface side of the front plate 22a of the lid frame body 21 with an adhesive member such as a double-sided adhesive tape. It will be done.

The portion of the front plate 22a of the lid frame 21 where the bar antenna 42 is located is the remaining tape amount display window 2
A cutout portion 56 that is continuous with the cutout portion 36 corresponding to 7 is provided to secure a storage space for the bar antenna 42.

The radio receiving circuit component 4 formed on the electric circuit board 41 attached to the cassette lid 2 as described above.
Reference numeral 0 denotes a power circuit (not shown) and an audio amplifier (headphone amplifier) which are shared with the tape recorder section formed in the recorder body 1 by the flexible printed wiring boards 54 and 55 which are arranged across the hinge mechanism 25. It is connected to the.

By the way, since predetermined wiring patterns are printed on the flexible printed wiring boards 54 and 55 respectively, it is advantageous in connection processing and space factor as compared with the case of using a wire material such as a connecting cord. Becomes That is, when wires such as connecting cords are used, the wires are entangled with each other, and since the wires are covered with an insulating material, the volume is large, but the flexible printed wiring boards 54 and 55 are used. This solves such a problem.

The FM wave receiving antenna is composed of a connection cord for headphones or earphones connected to the headphone jack 12.

Further, a tuching mechanism 57 is arranged on the inner surface side of one side wall 22b of the lid frame 21.
The tuning mechanism 57 is a slide-type volume 56 that varies the voltage of the varicap that varies the tuning capacitance.
And the pulleys 58, 59, 60 and a tuning knob 63 projecting to the front side through a through hole 64 formed in the cassette lid 2. The lever 62 of the volume 56 and the pulley 5
The tuning resistor 63 is rotatably operated by winding the dial thread 62 between the tuning knob 63 and the tuning knob 63, and the variable resistor of the volume 56 is variably operated. It is configured to be played.

In the middle of the dial thread 62,
A dial pointer 63a is attached. The dial pointer 63a moves so as to face the dial pointer display window 34 and displays the predetermined frequency scale of each dial scale portion 28, 29, 30 as a pointer.

Then, the cassette lid 2 and the electric circuit board 41
A switch-switching operation lever 66, which constitutes a switch-switching mechanism for switching the band-switching switch 65 attached to the electric circuit board 41, is disposed between them. The switch switching operation lever 66 is formed of a synthetic resin as a thin plate-shaped elongated body, has a concave engaging portion 68 at one end, and has band switching display windows 31, 32, 33 at the wide portion on the other end side. A display mark 69 that faces is printed. Further, the switch switching operation lever 66
As shown in FIG. 7, an operation knob 72 for slidingly operating the switching operation lever 66 is provided at a substantially central portion of the projection.

In the switch switching operation lever 66 thus constructed, the engaging portion 68 is connected to the band switching switch 65.
Is provided in a sliding groove 73 formed by cutting out a part of the lid frame body 21 by engaging with the operator 67 of the above, and the operating knob 72 is projected from an elongated hole 74 formed in the cassette lid 2, It is movable within the range of the sliding groove 73 and is arranged between the front panel 26 of the cassette lid 2 and the electric circuit board 41. At this time, the display mark 69 provided on the other end side of the switch switching operation lever 66 indicates that the band switching display windows 31, 32, 33.
Is located at a position corresponding to any one of the above.

Then, the switch switching operation lever 6
6 performs a switching operation of the band changeover switch 65 by gripping the operation knob 72 to perform a sliding operation, and in response to this movement, the display mark 69 corresponds to a predetermined band band changeover display window 31, 32 and 33, the selected band is displayed.

As described above, the thin plate switch changeover operation lever 66 is made to face the inside of the sliding groove 73 formed by cutting out a part of the cassette lid 2, and is laminated on the inner surface side of the cassette lid 2. The band switching display mechanism, which is arranged between the arranged front panel 26 and the electric circuit board 41, is structured without thickening the cassette lid 2. Further, since this band switching display mechanism does not use electric display means, it does not require power consumption at all.

In the above-mentioned embodiments, the present invention is applied to the tape recorder having the built-in radio receiver. However, the switch changeover display mechanism for displaying the changeover state according to the changeover operation of the changeover switch. The present invention can be widely applied to radio receivers and other electronic devices equipped with.

[0041]

As described above, in the electronic equipment device according to the present invention, the switch switching operation lever is provided by utilizing a small space formed between the electric circuit board and the display panel, and the switch switching operation is performed. Since the switch is switched by the lever and the display according to the switch switching state is performed by the switch switching operation lever, the size of the device itself is not increased, and a power source for the display is also required. Since it does not, the power consumption does not increase.

Furthermore, since the electrical connection between the electric circuit board disposed on the lid side and the main body of the electronic equipment is connected by the flexible printed wiring board, the connection process becomes extremely easy, the space factor is improved, and the apparatus itself. It is possible to achieve further miniaturization.

Further, as shown in the above-mentioned embodiment, the switch switching operation lever is formed in a long thin plate shape, and an engaging portion for engaging the operation element of the changeover switch and a display mark are provided at the end thereof. Therefore, the changeover switch and the display section can be provided separately from each other, and the empty space in the device can be effectively used.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing a tape recorder with a radio receiver to which the present invention is applied.

FIG. 2 is a perspective view of a tape recorder with a radio receiver in a non-loaded state of a tape cassette.

FIG. 3 is a perspective view of a tape recorder with a radio receiver in a state in which a tape cassette is loaded.

FIG. 4 is a perspective view of a tape recorder with a radio receiver with a cassette lid opened.

FIG. 5 is a perspective view showing a state in which an electric circuit board is attached to a cassette lid.

FIG. 6 is a cross-sectional view of a cassette lid that constitutes a tape recorder with a radio receiver.

FIG. 7 is a perspective view showing a switch switching operation lever which constitutes the present invention.

[Explanation of symbols]

 1 Recorder Main Body 2 Cassette Lid 21 Lid Frame 26 Front Panel 31, 32, 33 Band Change Display Window 40 Electronic Circuit Parts 41 Electric Circuit Board 42 Bar Antenna 65 Band Change Switch 66 Switch Change Operation Lever 68 Engagement Part 69 Display Mark 72 Operation knob

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁵ Identification number Office reference number FI technical display location G11B 33/12 304 7177-5D H01H 15/02 C 8621-5G

Claims (1)

[Claims] 1. An electric circuit board having a changeover switch attached to a lid rotatably attached to the electronic equipment body for opening and closing the electronic equipment body, and a front panel disposed on the electric circuit board. A switch switching operation lever having an engaging portion for engaging with an operator of the changeover switch, a display mark and an operation knob and slidably interposed between the front panel and the electric circuit board. The operation knob of the switch switching operation lever is projected from a through hole formed in the front panel, and the display mark is made to correspond to a display window provided in the front panel. An electronic device device in which the electrical connection of the above is connected by a flexible printed wiring board.