JP2000091758A - Device for preventing missing of dust-proof cap for input/ output terminal of electronic apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a device for preventing missing of a dust-proof cap for an input/output terminal of an electronic apparatus wherein missing of a dust- proof cap is prevented surely with no required additional part. SOLUTION: The device for preventing missing of a dust-proof cap 50 for an input/output terminal of an electronic apparatus is provided with a holding part 20 near an input/output terminal part, and comprises a first socket 22 of relatively wide and shallow which allows the holding part 20 to fit with a baffle plate 53 of the dust-proof cap 50, and a second reception part 24 of relatively deep which, provided concentrically with the first socket 22, allows fitting a fitting member 51 of the dust-proof cap 50.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an input terminal and / or an output terminal mounted on a cabinet, and more particularly to an input / output terminal for an electronic device for preventing dust caps mounted on input / output terminals for optical digital signals from being lost. The present invention relates to a device for preventing a dust-proof cap for an output terminal from being lost.

[0002]

2. Description of the Related Art First, a device for preventing a dust-proof cap for input / output terminals from being lost in a conventional electronic device will be described with reference to the drawings. FIG. 12 is a partial front view of an audio device having an optical digital output terminal for outputting an optical digital signal according to the prior art, and FIG. 13 is a device having the audio device shown in FIG. 12 and another type of optical digital input terminal. FIG. 3 is a block diagram illustrating connection with an audio device.

A prior art CD drive, called, for example, a so-called CD (compact disk) boombox, A
An audio device that includes an M / FM radio receiver, a magnetic tape recorder, etc. and handles optical digital signals includes an input terminal that can input an optical digital signal and an output terminal that can output an optical digital signal (hereinafter simply referred to as an “optical output terminal”). ), Or both terminals (hereinafter simply referred to as “input / output terminals” for simplicity of description) are mounted, for example, on the back of the cabinet. A dust cap is inserted to prevent entry.

Conventionally, when using the input / output terminal, the user had to remove the dustproof cap and store the removed dustproof cap in another place.
Dustproof caps are usually small and are often lost. If the dust cap is lost and the connection cable is left unattended, dust enters and adheres to the input / output terminals, covering the optical transmission path, preventing good transmission of optical digital signals. .

To avoid having to store the dust-proof cap, for example, as shown in an audio apparatus 100 such as a ZD-D5 type CD radio cassette player sold by the present applicant shown in FIG. An input / output terminal unit 103 is provided below the center of a cabinet 102 on the front surface 101, and is rotatably supported by a hinge at the lower end of the input / output terminal unit 103, and can be opened to the front.
5 and a dustproof mechanism configured to cover the optical output terminal 104 provided in the input / output terminal section 103 and other input / output terminals.

A CD is reproduced by such an audio apparatus 100, and an optical digital signal obtained by reproducing the CD is converted into an M signal.
When recording on a recording / reproducing medium such as an MD of a D (mini disc) recording / reproducing apparatus or a magnetic tape of a DAT (digital audio tape) recording / reproducing apparatus, a user places the opening / closing lid 105 of the input / output terminal section 103 in front. Open, plug one end of the optical connection cable 10 into the optical output terminal 104 provided therein, and connect the plug at the other end to the MD.
The optical digital signal can be transmitted from the audio device 100 by being connected to an optical input terminal of a recording / reproducing device or a DAT recording / reproducing device.

[0007]

SUMMARY OF THE INVENTION
00, since the open / close lid 105 is provided, a dust-proof cap is not required. When the audio apparatus 100 is used, it is not necessary to store it. Extra space is required to get out of the occupied space, and it gets in the way. In particular, when the input / output terminals are disposed on the front 101 of the audio device 100 as described above,
The opening / closing lid 105 is obstructed because it is opened toward the user. Further, the opening / closing lid 105 having the above-described structure is easily broken when a force is applied. Furthermore, the dustproof mechanism having the opening / closing lid structure requires a plurality of parts such as the opening / closing lid 105 and an opening / closing spring, and also requires printing and painting thereof, which is expensive in terms of cost. The above-described problems have been encountered in electronic devices such as audio devices of the related art.

SUMMARY OF THE INVENTION The present invention is intended to solve such a problem, and does not require an extra part. In addition, the loss of the dust-proof cap for the input / output terminal in the electronic device which can reliably prevent the loss of the dust-proof cap. The aim is to obtain a prevention device.

[0009]

For this reason, the first aspect of the present invention is described.
The device for preventing the input / output terminal dust cap from being lost in the electronic device according to the embodiment, wherein the input / output terminal is attached to a part of the cabinet, and the dustproof cap is attached to the input / output terminal. The above problem is solved by forming a holding means capable of holding the dustproof cap on another part.

In a second embodiment of the present invention, there is provided a device for preventing a dust-proof cap for an input / output terminal from being lost, wherein the holding means is formed in a cabinet near the input / output terminal.

In a third embodiment of the present invention, there is provided a device for preventing a dust-proof cap for an input / output terminal from being lost in the electronic device, wherein the holding means comprises a fitting hole.

In a fourth embodiment of the present invention, there is provided a device for preventing a dust-proof cap for an input / output terminal from being lost in the electronic device, wherein the holding means comprises a projecting receiver projecting from the cabinet.

In a fifth embodiment of the present invention, there is provided a device for preventing a dust-proof cap for an input / output terminal from being lost in the electronic apparatus, wherein the input / output terminal is a terminal for inputting / outputting an optical digital signal.

Therefore, according to the first embodiment of the present invention, when the electronic device is used, it can be stored in the same cabinet by holding the dustproof cap removed from the input / output terminal of the electronic device by the holding means. it can. According to the second embodiment of the present invention, when the electronic device is used, the dust-proof cap removed from the input / output terminal of the electronic device can be used.
It can be held by the holding means near the input / output terminal, and does not hinder other operations. Furthermore, according to the third embodiment of the present invention, when the electronic device is used, the dust-proof cap removed from the input / output terminal of the electronic device is fitted to the holding means, so that the same device can be easily removed without dropping off. Can be stored in cabinets. Still further, according to the fourth embodiment of the present invention, when the electronic device is used, the dustproof cap removed from the input / output terminal of the electronic device can be simply placed or inserted into the holding means in the same cabinet. Can be stored. Further, according to the fifth embodiment of the present invention, it is possible to extremely easily prevent dust from adhering to an optical input / output terminal of an electronic device for processing an optical digital signal, which extremely deteriorates optical transmission.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A configuration of a device for preventing a dust-proof cap for an input / output terminal from being lost in an electronic apparatus according to a first embodiment of the present invention will be described below with reference to the drawings. In the following description, an electronic device including an optical input / output terminal will be described as an example of the electronic device. FIG. 1 is a rear view of a cabinet of an electronic device provided with a device for preventing loss of an input / output terminal dust-proof cap according to a first embodiment of the present invention, FIG. 2 is a top view of the electronic device shown in FIG. 1, and FIG. FIG. 4 is a partially enlarged rear view of the cabinet of the electronic device shown in FIG. 1 on which the holding means of the dustproof cap according to the first embodiment is formed. FIG. 4 is a view on the line AA of the holding means of the dustproof cap shown in FIG. 5 is an enlarged sectional view of FIG. 5, and FIG.
FIG. 6 shows a dustproof cap of the optical input / output terminal of the electronic apparatus shown in FIG.
6 is a front view thereof, FIG. B is a side view thereof, FIG. 7C is a rear view thereof, and FIG. 7 is a state in which the dustproof cap shown in FIG. 6 is fitted to the dustproof cap holding means shown in FIGS. FIG. 8 is an enlarged rear view of a part of the cabinet of the electronic device showing FIG.
FIG. 9 is an enlarged sectional view taken along line AA of FIG.
FIG. 10 is an enlarged sectional view on the line, and FIG.
A partially enlarged perspective view of the back surface of the cabinet of the electronic apparatus shown in FIG. 1 on which the holding means of the embodiment is formed.
FIG. 11 is an enlarged cross-sectional view taken along line AA of the holding means of the dustproof cap shown in FIG.

In FIG. 1 and FIG. 2, reference numeral 1 denotes an electronic apparatus having a device for preventing a dust cap for input / output terminals from being lost according to an embodiment of the present invention. The electronic device 1 has an input / output terminal 3 disposed on the upper right side of the back of the cabinet 2, and an optical digital signal output terminal (hereinafter simply referred to as an output terminal) that outputs an optical digital signal to the input / output terminal 3. `` Light output terminal ''
4), an output terminal 5 for analog signals, and an input terminal 6 as well. To these terminals, for example, the light output terminal 4, a dustproof cap 50 for preventing dust from adhering and entering is fitted. A holding portion 20 as a device for preventing the dust cap 50 from being lost, which is a main part of the present invention, is formed in the cabinet 2 near the input / output terminal portion 3. Reference numeral 7 is a power outlet,
Reference numeral 8 indicates a battery storage unit, and reference numeral 9 indicates a rod antenna storage unit.

As shown in FIG. 2, the optical output terminal 4 is provided with an optical digital signal connection cable (hereinafter simply referred to as "optical connection cable") 10 with the dustproof cap 50 removed. The output terminals 5 and the input terminals 6 have connection cables 11 and 1 for analog signals.
2 can be connected.

Although not shown, the light output terminal 4 is
It comprises a rectangular receptacle and a small-diameter cylindrical terminal in which an optical fiber is mounted in the center of the receptacle. As shown in FIG. 6, the dustproof cap 50 is
Rectangular block fitting member 51 that can be fitted into the square receptacle
And a short cylindrical projection 52 formed at the center of the distal end surface thereof;
A substantially square abutment plate 53 having an area larger than the area of the end face 1
And an elongated prism member 54 formed at the center of the other surface of the abutment plate 53, and a rectangular plate-shaped member formed on the other end surface of the prism member 54 and having substantially the same area as the area of the abutment plate 53. The knob 55 is formed concentrically and integrally with resin molding. A slightly raised locking projection 56 is formed on each side of the prism member 54 on the side of the cylindrical projection 52.

The holding portion 20 of the dustproof cap 50 is formed at a portion near the input / output terminal portion 3 on the back surface of the cabinet 2 as shown in an enlarged manner in FIGS. The position of the holding unit 20 is determined when the rod antenna 9A is removed from the rod antenna housing unit 9 when listening to FM broadcasting, or when the battery is replaced.
It is desirable to dispose the dustproof cap 50 stored in the holding unit 20 at a position where it does not interfere when the lock 9B of A is removed or when the power cord is attached and detached.

The structure of the holding part 20 is the cabinet 2
A first opening 21 having a rectangular shape, into which the abutment plate 53 of the dustproof cap 50 is fitted, and shaving the plate of the cabinet 2 from the surface to a depth substantially equal to the thickness of the abutment plate 53. The first receiving port 22 of the recessed portion and the prism member 5 of the dustproof cap 50 are provided at the center of the bottom of the first receiving port 22.
A square second opening 23 into which the fourth member 4 can be fitted is opened, and is formed of a cylindrical projection 52 and a second receiving port 24 of a concave portion slightly deeper than the length of the prism member 54. This holding part 2
The structure and dimensions of the optical output terminal 4 are almost the same as those of the optical output terminal 4 except for a portion for transmitting and receiving an optical digital signal.

Next, a method of using the holding section 20 will be described with reference to FIGS. When a user wants to record an optical digital signal of the electronic device 1 such as an audio device equipped with a CD drive on an external recording medium such as an MD recording / reproducing device or a DAT recording / reproducing device, an optical output terminal The dust-proof cap 50 inserted and fitted into 4 is removed, and the removed dust-proof cap 50 is immediately inserted into the holding portion 20 as shown in FIG. Then, the plug of the optical connection cable 10 connected to the recording / reproducing device is inserted into the light output terminal 4. As described above, the dustproof cap 50 can be securely stored before preparing the recording of the optical digital signal by a simple procedure.

The structure in which the dustproof cap 50 is inserted and fitted into the holding portion 20 is shown in FIGS. 8 and 9 in an enlarged manner. When the prism member 54 of the dust-proof cap 50 is pushed into the second receiving port 24, the minute locking projections 56 formed on each side surface of the prism member 54 slightly expand the respective side walls of the second receiving port 24 to spread out the second receiving port 24. 2 into the depth of the receiving port 24, and engages with the corner of the back surface of the front plate at the place where it penetrates the front plate of the cabinet 2 (FIG. 9). At this time, a click feeling is generated and the dustproof cap 50 is locked. You can see that. Even if the dust-proof cap 50 is further pressed from this locked state, the impact plate 5
3 hits the bottom of the first receptacle 22 and stays in this position.

The holding portion 20 of the first embodiment has a structure in which the dustproof cap 50, which is no longer required when the optical output terminal 4 is used, can be stored by simply inserting the dustproof cap 50 into the holding portion 20 and pressing lightly. , A structure like the holding part 30 of the second embodiment shown in FIG. That is, the holding portion 30 which is the loss prevention device is provided on a part of the back surface of the cabinet 2 with the engaging member 3 projecting outward from the surface in a U-shape.
1. The shape may be not only a square U-shape but also a rounded loop shape. The dustproof cap 50 that is no longer required when using the light output terminal 4 is
By inserting the engagement member 31 from above, the abutment plate 53 of the dustproof cap 50 is held by the upper edge of the engagement member 31 and can be stored in this state.

In the above description, the holding portions 20 and 30 of the dustproof cap are provided at only one place in the above embodiment, but it goes without saying that two or more holding portions may be provided as necessary. No. Also, as the electronic device 1,
Although an audio device such as a CD radio cassette player has been described above, the present invention is not limited to an audio device, and a video device such as a DVD (digital video disc) device capable of inputting and outputting an optical digital video signal, an optical device, and the like. It is to be noted that the present invention can be applied to a computer device capable of inputting / outputting a digital video signal and its peripheral devices.

In the electronic device 1 of the above embodiment,
C having only an optical output terminal 4 for outputting an optical digital signal
Although the D boombox was adopted, input / output terminals are provided on electronic devices regardless of the type of signal, such as analog signals, digital signals, and audio signals, video signals, and data signals. It should be noted that the present invention can be applied to any electronic device having dustproof caps attached to its input / output terminals.

[0026]

As is apparent from the above description, according to the device for preventing the input / output terminal dust cap from being lost in the electronic apparatus according to the embodiment of the present invention, when the input / output terminal is used, it is removed from the input / output terminal. By holding the dustproof cap with the holding means, not only can it be stored in the same cabinet and it can be prevented from being lost, but also if the connection cord is pulled out from its input / output terminal, the dustproof cap during storage can be stored. Can be taken from the holding means and immediately inserted into its input / output terminal, so that the user does not forget to insert it. Further, the holding means itself can be formed at the same time as the resin molding of the cabinet, and does not require any special parts.

[Brief description of the drawings]

FIG. 1 is a rear view of a cabinet of an electronic device provided with a device for preventing a loss of an input / output terminal dust-proof cap according to a first embodiment of the present invention.

FIG. 2 is a top view of the electronic device shown in FIG.

FIG. 3 is a partially enlarged rear view of the cabinet of the electronic apparatus shown in FIG. 1 on which the holding means of the first embodiment of the dustproof cap is formed.

FIG. 4 is a cross-sectional view of the dust-proof cap holding means shown in FIG.
FIG. 3 is an enlarged cross-sectional view taken along line A.

FIG. 5 is a cross-sectional view of the holding means of the dust-proof cap shown in FIG.
FIG. 3 is an enlarged cross-sectional view taken along line B.

6 shows a dust-proof cap of the optical input / output terminal of the electronic apparatus shown in FIG. 1, wherein FIG. 6A is a front view, FIG. 6B is a side view, and FIG. 6C is a rear view.

7 is a partially enlarged rear view of the cabinet of the electronic apparatus showing a state in which the dust-proof cap shown in FIG. 6 is fitted to the dust-proof cap holding means shown in FIGS. 1 to 4;

8 is an enlarged sectional view taken on line AA of FIG. 7;

FIG. 9 is an enlarged sectional view taken on line BB of FIG. 7;

FIG. 10 is a partially enlarged perspective view of the back surface of the cabinet of the electronic apparatus shown in FIG. 1 on which the holding unit of the second embodiment of the dustproof cap is formed.

11 is an enlarged cross-sectional view of the holding means of the dust-proof cap shown in FIG. 10 taken along the line AA.

FIG. 12 is a partial front view of an audio device having an optical digital output terminal for outputting an optical digital signal according to the related art.

13 is a block diagram showing a connection between the audio device shown in FIG. 12 and an audio device having another type of optical digital input terminal.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Electronic device of embodiment of this invention, 2 ... Cabinet,
3 input / output terminal unit, 4 optical output terminal (optical digital output terminal), 5 output terminal, 6 input terminal, 7 power outlet, 8 battery storage unit, 9 rod antenna storage unit,
9A: rod antenna, 10: optical connection cable, 20:
The holding part of the first embodiment which is a loss prevention device, 21.
Opening, 22: first receiving port, 23: second opening, 24 ...
The second receiving port, 30... The retaining portion of the second embodiment which is a loss prevention device, 31... An engaging member, 50.
Locking projection

Claims (5)

[Claims] 1. An electronic device having an input / output terminal mounted on a part of a cabinet and an input / output terminal having a dust-proof cap mounted on the input / output terminal. A device for preventing a dust-proof cap for an input / output terminal from being lost in an electronic device, wherein a holding means capable of holding the dust-proof cap is formed. 2. The device as claimed in claim 1, wherein the holding means is formed in a cabinet near the input / output terminal. 3. The device according to claim 1, wherein said holding means comprises a fitting hole. 4. The device according to claim 1, wherein said holding means comprises a projecting receiver projecting from said cabinet. 5. The device as claimed in claim 1, wherein the input / output terminal is a terminal for inputting / outputting an optical digital signal.