JP2000200993A - Flexible wiring device in electronic equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make electrical connection between the main body of electronic equipment and a rotating body rotatably supported on the main body by means of a flexible wiring board, without electrical or mechanical problems. SOLUTION: A flexible wiring boards 34 (341, 342) has a shielding layer 35 (351, 352) formed on its one face and a wound section 34a (341a, 342a) formed in the middle. These flexible wiring boards 34 are laid on top of each other, so that the shielding layers 35 (351, 352) are disposed between the faces formed with a wiring pattern. An electric circuit of the main body 1 of a camera, which is the main body of an electronic equipment and that of a photographing section 2 of a rotating body, are electrically connected by means of the stacked flexible wiring boards. The stacked flexible wiring boards 34 (341, 342) are bound by the necessary parts by means magnetic fixation members, to be secured to the main body 1 of the camera.

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 an electronic still camera in which a photographing section is rotatable with respect to a camera body, and includes an electronic device body and a rotating body rotatably supported by the body. The present invention relates to a flexible wiring device that is electrically connected.

[0002]

2. Description of the Related Art Conventionally, in an electronic device in which a rotating body is rotatably supported with respect to an electronic device main body, for example, an electronic still camera in which a lens block serving as a photographing unit can rotate with respect to a camera main body. A flexible wiring board is used to electrically connect a circuit in the camera body and a circuit in the lens block. Since a plurality of flexible wiring boards are used, the flexible wiring boards are arranged at required intervals so that signal lines on the flexible wiring boards do not interfere with each other.

[0003]

However, in recent years, in such electronic devices, particularly electronic still cameras, etc., a plurality of flexible wiring boards are arranged in a small space due to diversifying needs and demands for miniaturization. Because we needed to
It has become an issue how the flexible wiring board is compactly stored in a small space while maintaining the shielding effect so as not to hinder the rotating operation of the rotating body with respect to the electronic device body.

SUMMARY OF THE INVENTION The present invention has been made in view of the foregoing, and has been made in consideration of the above circumstances. Accordingly, a plurality of flexible wiring boards for electrically connecting an electronic device main body and a rotating body are compactly housed in a small space without interfering with each other. It is an object of the present invention to provide a flexible wiring device capable of performing the following.

[0005]

In order to achieve the above object, a flexible wiring apparatus according to the present invention has a rotating body rotatably supported by an electronic device main body, and the electronic device main body and the rotating body have a plurality of rotating bodies. In an electronic device electrically connected by a flexible wiring board, at least one surface is shielded, and a plurality of flexible wiring boards having a winding portion wound around a rotation support portion are provided with a shield surface interposed between wiring pattern forming surfaces. The electronic device main body and the rotating body are electrically connected to each other by being overlapped.

In the above structure, the flexible wiring board is preferably formed by bending both sides of the winding portion in the winding axis direction.

Further, in the above configuration, the flexible wiring board is formed by folding one flexible wiring board in the middle and overlapping the shield surface with the shield surface facing the shield surface of the other flexible wiring board to electrically connect the electronic device body and the rotating body. Can be connected.

Further, according to the present invention, in the above configuration, a fixing member is fitted to a required portion in a state where the plurality of flexible wiring boards are superimposed, and is fixed to the electronic device main body side via the fixing member.

Preferably, the fixing member is made of a magnetic material such as ferrite.

The flexible wiring board device of the present invention configured as described above can store a plurality of flexible wiring boards between the electronic device main body and the rotating body in a compact manner without hindering the rotating body. Of the signal currents between the wiring patterns on the flexible wiring board is prevented.

Further, the present invention prevents the dispersion by binding a plurality of flexible wiring boards with a fixing member and fixing the flexible wiring board to the main body of the apparatus. Can be suppressed.

[0012]

Embodiments of the present invention will be described below with reference to the drawings.

In this embodiment, an electronic still camera is used as a flexible wiring device for an electronic device according to the present invention, and an electronic still camera is used as an electronic device. Are electrically connected to each other.

As shown in FIGS. 5 to 7, the electronic still camera has a photographing unit 2 mounted on an upper part of a camera body 1 so as to be rotatable in the front-rear direction. The camera body 1 has a built-in recording / reproducing device and is equipped with a memory stick as a recording medium and a battery as a power supply, and a liquid crystal display 3 as an image display unit is provided at a substantially central portion on the rear side. . On the other hand, the imaging unit 2 includes a lens unit 4
And a strobe unit 5 are arranged at required intervals in the horizontal direction. An infrared data communication transceiver 6 is provided on the front side of the camera body 1, and a shutter 7 is provided on the upper side.
However, various operation members, terminal jacks, and the like are provided on the end face side and both side faces of the rear face, respectively.

In the electronic still camera configured as described above, the recording / reproducing device of the camera body 1 and the lens unit 4 and the strobe unit 5 of the photographing unit 2 are electrically connected by a flexible wiring board.

A flexible wiring device according to this embodiment, which is an electrical connection between the camera body 1 and the photographing unit 2, will be described with reference to FIGS.

First, the camera body 1 is shown in FIGS.
As shown in FIG. 7, an outer case 11 is formed by combining a front panel 12 and a rear surface pulse 13, a concave portion 11 a is formed in an upper portion of the outer case 11, and a rear side, that is,
A window 14 of the liquid crystal display 3 is formed substantially at the center of the rear surface of the rear panel 13.

The photographing section 2 also has an outer casing 21 formed by combining a front cabinet 22 and a rear cabinet 23, and the outer casing 21 straddling the front and rear cabinets 22, 23.
As shown in FIG. 2, cylindrical shaft portions 24 are formed to protrude horizontally on both side surfaces of the rear cabinet 23, and are electrically connected to the rear cabinet 23.

A recording / reproducing device 8 and a liquid crystal display 3 are built in the outer casing 11 of the camera body 1 formed as described above, and a memory stick as a recording medium and a battery as a power supply are housed and loaded. Also, the outer casing 2 of the photographing unit 2
The photographing unit 2 is configured by fitting and fixing the holder in the lens unit 1 and mounting the lens unit 4 and the strobe unit 5. The outer casing 21 of the photographing unit 2 has a cylindrical shaft portion 24 on both side surfaces in the outer casing 11 of the camera body 1 and a concave portion 11 on the upper side.
By being inserted into a bearing opening 11b formed on the inner surface of the camera body a, the shaft is rotatably supported in the front-rear direction. In this state, the cylindrical shaft portion 24 is conducted into the outer casing 11 of the camera body 1.

The recording / reproducing device 8 in the camera body 1
The lens unit 4 and the flash unit 5 of the photographing unit 2 are electrically connected by a flexible wiring device.

The flexible wiring device 3 of this embodiment
1 denotes a plurality of wiring terminals 33 (331, 331, 331) on the main wiring board 32 side of the recording / reproducing device 8 as shown in FIGS.
332 ‥‥), lens unit 4 and strobe unit 5
Flexible wiring boards 34 (34
1,342 #) is formed as a shielded flexible wiring board having a shield layer 35 (351, 352 #) formed of copper paste or the like on one side. The plurality of shielded flexible wiring boards 34 (341, 342３４)
‥) is such that the shield layers 35 (351, 352 ‥‥) are alternately superimposed on each other and the winding portions 34a (341a, 342
a ‥‥) is formed.

That is, in the flexible wiring device 31 shown in FIG. 1 and FIG. 2, the flexible wiring board 34 shows a flexible wiring board 341 for driving a lens and a flexible wiring board 342 for driving a CCD. The flexible wiring board 341 is connected to the camera body 1.
The wiring terminal 331 of the main wiring board 32 on the side is connected to the lens unit 4 on the imaging section 2 side, and the flexible wiring board 342 for driving the CCD is fixed to the wiring terminal 332 of the main wiring board 32 and the lens unit 4. CCD substrate 42
The flexible wiring boards 341 and 342 are configured to be connected to the shield layer 351.
A fixed member 36 formed in an annular shape with a magnetic material such as ferrite at a required position in a state where the flexible wiring boards are overlapped with the flexible wiring boards 352 and 352 alternately interposed therebetween as shown in FIGS. At the same time as the fixing of 341 and 342, the influence of unnecessary electromagnetic waves is suppressed.

As described above, the plurality of flexible wiring boards 34 (341, 342 #) of the flexible wiring device 31 for electrically connecting the camera body 1 side and the photographing section 2 side are connected to the winding section 34a at the winding section 34a. A projection 1 is formed on the side surface of the outer casing 21 so that the outer casing 11 of the camera body 1 has
The cylindrical shaft portion 24 supported on the inner surface of 1a is overlapped and wound so as to have a required slack in the cylindrical shaft portion 24, and is housed.

For this reason, the flexible wiring board 34 (34
1, 342 °) is wound around the winding part 34a (341a, 342) so as to be easily led out to the camera body 1 side and the photographing unit 2 side.
a ‥‥) is the winding start portion 34b (341b, 342b ‥‥)
The winding end portion 34c (341c, 342c #) is bent in the winding direction and is led out from the cylindrical shaft portion 24 in the axial direction.

Then, the flexible wiring boards 341 and 342 are wound so that the shield layers 351 and 352 are alternately overlapped, and the winding end side of one of the flexible wiring boards 341 wound outward is turned back to form a shield layer 351.
The winding portions 341a and 342a of the flexible wiring boards 341 and 342 are inserted into the cylindrical shaft portion 24 as described above while facing the shield layer 352 of the flexible wiring board 342 wound inside. Be placed.

In the electronic still camera of the present embodiment configured as described above, the photographing unit 2 is configured to be rotatable in the front-rear direction with respect to the camera body 1, so that the photographing unit 2 is directed forward. From the shooting in the form of the above, without changing the angle of the hand gripping the camera body 1 and without changing the holding, the shooting unit 2 is rotated to change the angle to a desired angle, That is, it is possible to perform shooting at a free angle in the up-down direction and the front-back direction, and by rotating the shooting unit 2 by 180 ° with respect to the camera body 1, it is possible to shoot while facing the screen of the liquid crystal display 3, That is, an image can be viewed while photographing the photographer himself.

As described above, in the rotation operation of the photographing unit 2 with respect to the camera body 1, the plurality of flexible wiring boards 34 (341, 342) of the flexible wiring device 31 for electrically connecting the camera body 1 side and the photographing unit 2 side. ) Is the winding part 3 fitted into the cylindrical shaft part 24 of the outer casing 21 of the photographing unit 2.
4a (341a, 342a), without being unwound, unwound and unnecessarily pulled or unnecessarily loosened,
The rotation of the imaging unit 2 can be performed smoothly, and the shield layers 351 and 352 can be formed without overlapping the non-shielded surfaces of the flexible wiring boards 341 and 342 which are overlapped with each other.
Are alternately stacked, and the shield layers 351 and 352 are maintained in a state where they face each other, and the flexible wiring board 34 is
The signal currents flowing through the wiring patterns on the first and 342 are prevented from interfering with each other.

Further, a plurality of flexible wiring boards 34 (3
41, 342), the fixing member 36 formed of a magnetic material is fitted and fixed in an overlapping state, so that the variation is prevented and the influence of unnecessary electromagnetic waves is suppressed.

The embodiment of the present invention has been described above.
The present invention is not limited to this embodiment,
Various changes can be made without departing from the spirit of the present invention.

That is, the present invention can be applied to any electronic device in which a rotating body is electrically connected by a flexible wiring board. For example, in a video camera, the rotating body is rotated with respect to the camera body and the camera body. The present invention can be applied to electrical connections such as a liquid crystal display that can be used, a camera body and a viewfinder that can rotate with respect to the camera body, and a camera body and a lens block that can rotate with respect to the camera body.

The shape, wiring pattern and the like of the flexible wiring board are changed in accordance with the connection body.
Further, the number of flexible wiring boards mounted on top of each other is not limited to two, and three or more flexible wiring boards can be mounted on top of each other.

[0032]

As described above, the flexible wiring device according to the present invention has a rotating body rotatably supported by an electronic device main body, and the electronic device main body and the rotating body are electrically connected by a plurality of flexible wiring boards. In the connected electronic device,
At least one side is shielded, and a plurality of flexible wiring boards having a winding portion wound around the rotation supporting portion of the rotating body are overlapped with each other so that the shield surface is interposed between the wiring pattern forming surfaces and the electronic device body. With the configuration in which the rotating bodies are connected, mutual interference of signal currents between the wiring patterns on the plurality of flexible wiring boards is prevented, and the signal current is always accurately supplied from the electronic device main body side to the rotating body side. As a result, the rotating body side is reliably operated and reliability is improved.

Further, a plurality of flexible wiring boards can be wound and housed in a rotating body while keeping a shielding effect, so that a space for housing can be reduced and the size of the electronic device can be reduced.

Further, the plurality of flexible wiring boards are bound by a fixing member, and the fixing member is fixed to the electronic device main body side, so that dispersion can be prevented and storage can be performed more reliably. By using a magnetic material, the influence of unnecessary electromagnetic waves can be suppressed, and the reliability of operation of the electronic device is further improved.

[Brief description of the drawings]

FIG. 1 is a perspective view of an example of a flexible wiring device according to the present invention.

FIG. 2 is a perspective view showing an example of a state in which the flexible wiring device shown in FIG. 1 is used in an electronic still camera.

FIG. 3 is an enlarged cross-sectional view of a winding storage portion of the flexible wiring board in FIG.

FIG. 4 is an enlarged sectional view of a fixed portion of the flexible wiring board in FIG.

FIG. 5 is a front view of an electronic still camera to which the flexible wiring device according to the present invention is applied.

6 is a right side view of the electronic still camera shown in FIG.

FIG. 7 is a rear view of the electronic still camera shown in FIG.

[Explanation of symbols]

Reference Signs List 1 camera body, 2 photographing section, 4 lens unit, 11 camera case outer casing, 21 photographing section outer casing, 24 cylindrical shaft section, 31 flexible wiring device , 34 (341, 342) ‥‥ flexible wiring board,
34a (341a, 342a) ‥‥ wound portion, 35 (35
1,352) {Shield layer, 36} Fixing member

 ──────────────────────────────────────────────────続 き Continuing on the front page F term (reference) 2H100 AA33 BB05 BB06 BB11 CC07 EE03 5C022 AA13 AB15 AB62 AC03 AC42 AC54 AC70 AC73 AC77 5C052 AA17 DD02 EE01 EE03 EE08 GA02 GC10 GD10 GE08 5E321 AA17 BB44 GG05 ABB BB05 BB05 A04 CD18 EE12

Claims (5)

[Claims] 1. An electronic device, comprising: a rotating body rotatably supported by an electronic device main body, wherein the electronic device main body and the rotary body are electrically connected by a plurality of flexible wiring boards; A plurality of flexible wiring boards that are shielded and have a winding portion wound around a rotation support portion of the rotating body are overlapped with each other so that the shield surface is interposed between wiring pattern forming surfaces, and the electronic device body is overlapped. A flexible wiring device in an electronic device, wherein the flexible wiring device is electrically connected to the rotating body. 2. The flexible wiring device according to claim 1, wherein the flexible wiring board is formed by bending both sides of the winding portion in a winding axis direction. 3. The electronic device according to claim 1, wherein one of the flexible wiring boards is folded back halfway, and the shield surface is overlapped with the shield surface facing the shield surface of the other flexible wiring board. Flexible wiring device in equipment. 4. The electronic apparatus according to claim 1, wherein a fixing member is fitted to a required portion of the plurality of flexible wiring boards in a state of being overlapped, and is fixed to the electronic device main body via the fixing member. Item 2. A flexible wiring device in the electronic device according to Item 1. 5. The flexible wiring device according to claim 4, wherein the fixing member is formed of a magnetic material.