JP3353343B2 - Camera switch mechanism - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a camera switch mechanism applied to a camera-integrated VTR or the like.

[0002]

2. Description of the Related Art Conventionally, a camera-integrated VTR has been developed. This camera-integrated VTR can be mounted on a dedicated connection device called a station, so that what is shot and recorded with a cassette tape housed in the camera-integrated VTR can be played back on a TV or dubbed to another VTR. Can be.

The above-described camera-integrated VTR has various switch mechanisms. For example, a standby switch for switching the camera from a non-shooting state to a shooting standby state, a zoom switch for switching a subject between a telephoto state and a wide-angle state, and the like are provided.

[0004]

However, among the switch mechanisms of the above-described camera-integrated VTR, the conventional standby switch is a slide type or a rotary type, and furthermore, a switch operation for switching between a photographing standby state and a non-photographing state. Part was always exposed,
For example, there has been a problem that a malfunction such as accidentally pressing the switch operation unit in a shooting state occurs.

A conventional zoom switch is a telephoto (T)
Side) and the wide-angle (W side) are seesaw-shaped push button types, so that it is necessary to use two fingers to perform the operation, and there is a problem in operability.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and has improved the operability of a standby switch and a zoom switch in a hand state of a camera, and can prevent malfunction of the switches. An object is to obtain a switch mechanism of a camera.

[0007]

[SUMMARY OF] To achieve the above object, the switch mechanism of the camera according to the present invention, a camera present
Parent holding the camera body near the grip of the body
At the position of the finger, the shooting standby state and the non-shooting state
Standby switch mechanism that can be switched to
The position of the finger can be switched between the telephoto state and the wide-angle state.
The camera standby switch unit with a camera lever mechanism
The structure is a rotating part that rotates around an axis inside the switch housing.
Switch operation is performed by being arranged perpendicular to the material
Start / stop switch and the rotating member
From the shooting start / stop switch
Set the standby knob and the shooting start / stop
Exposure of the switch to the opening of the switch housing.
Shadow standby position and hidden inside the switch housing
Comprising a spring member for holding to the non-shooting position, and the photographing
When the start / stop switch is not in the shooting position,
The opening of the switch housing is closed by the standby knob.
The shooting start / stop switch is
It is concealed and protected by a standby knob .

[0008]

[0009]

[0010]

According to the camera switch mechanism of the present invention constructed as described above , a shooting start / stop switch is provided.
Switch is exposed in the opening of the switch housing
Rotate the standby knob from the position to open the switch housing.
By closing the mouth, the shooting start / stop switch
H can be turned and concealed inside the switch housing,
At the same time, set the shooting start / stop switch to standby
You can protect the
The start / stop switch is accidentally pressed
Malfunction can be prevented.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a camera switch mechanism according to the present invention will be described below by taking an 8 mm camera-integrated VTR as an example. FIG. 1 is a perspective view of an 8 mm camera-integrated VTR, and is generally denoted by reference numeral 1. The main configuration of the camera-integrated VTR 1 will be described. A side surface of the VTR main body 2 on the grip belt 3 side is a VTR deck section 4 for driving a tape cassette (not shown). A video terminal 5, an audio input terminal 6, an audio output terminal 7, and an S video terminal 8 for inputting and outputting video signals and audio signals are provided on the front side of the VTR deck unit 4. These terminals 5 to 8
Can be connected to, for example, a television receiver or another electric device such as a VTR via a cable (not shown) for reproduction or dubbing.

A viewfinder 9 is disposed on the VTR main body 2 on the side opposite to the grip belt 3. Further, a microphone 10 is disposed on the upper rear surface of the VTR main body 2, and a lens barrel 11 is protruded below the microphone 10.

On the other hand, a photographing standby switch mechanism 12, which is a switch mechanism of the present invention, which is rotated by the right thumb, is provided near the grip belt 3 in front of the VTR body 2. Although the photographing standby switch mechanism 12 will be described in detail below, the photographing standby switch mechanism 12 has a standby knob 13 serving as a standby operation member. When the standby knob 13 is opened, a photographing standby state is established. By closing, a non-photographing state is set. The photographing standby switch mechanism 12 is provided with a photographing start / stop switch 14.

In the vicinity of the grip belt 3 of the VTR body 2, there is provided a zoom lever mechanism 15, which is a switch mechanism of the present invention, which is slid with the right forefinger. Although the zoom lever mechanism 15 will be described in detail below, the subject can be brought into a telephoto state by a zoom-in operation (T side) of the zoom lever mechanism 15, and a zoom-out operation (W side) of the zoom lever mechanism 15. The subject can be in a wide-angle state.

An operation knob 16 is provided on the upper surface of the lens barrel 11 for switching between the photographing mode and the video mode with the off point as a neutral point. By switching the operation knob 16 to the photographing mode side, a lens cover (not shown) arranged on the front surface of the lens barrel 11 can be opened to set a photographing standby state. on the other hand,
When the operation knob 16 is on the video mode side, the lens cover remains closed.

The VTR main body 2 below the viewfinder 9 is provided with a battery pack housing 17. Battery pack is a camera-integrated VT
A power supply for supplying power to R1.

The details of the photographing standby switch mechanism 12 will be described with reference to FIGS. In the photographing standby switch mechanism 12, the switch housing 18 has its mounting portion 18a fixed to the VTR main body 2 by a screw (not shown), and when the photographing standby switch mechanism 12 is fixed, the standby knob 13 has the opening window 2a of the VTR main body 2 (FIG. 2) so as to be rotatable forward.

The standby knob 13 is formed integrally with the rotating member 19, and shaft portions 20a and 20b formed on the upper and lower surfaces of the rotating member 19 are supported by the switch housing 18 so as to be rotatable in the vertical direction. I have. On the upper shaft portion 20a, a standby-on operation lever 21a and a standby-off operation lever 21b are supported outside the switch housing 18 by a screw 22 so as to be rotatable integrally with the above-mentioned rotating member 19.

The rotating member 19 accommodates the above-described photographing start / stop switch 14, and the photographing start / stop switch 14 is pressed by a pressing operation so that a switch operation projection 23 integrally formed therewith returns the return spring. The spring member 24 is formed so as to be able to protrude and retract from the back surface of the rotating member 19.

A cam 25 is integrally formed on the upper part of the rotating member 19 as shown by a virtual line in FIG. It is in contact with the spring member 27 shown. Thereby, the rotating member 19 can be clicked between the photographing standby state shown in FIG. 4 and the non-photographing state shown in FIG. 5 by the spring action of the spring member 27.

On the other hand, the switch housing 1 corresponding to the operation projection 23 of the above-described photographing start / stop switch 14 in the photographing standby state of the rotating member 19 shown in FIG.
8 is provided with a switch operating member 28 made of an elastic member such as rubber which can be deformed via a diaphragm portion 28a.
Opening 1 formed in switch housing 18 when pressed by
8b can protrude rearward.

On the back of the photographing standby switch mechanism 12 configured as described above, a switch operating mechanism 29 is disposed. The switch operating mechanism 29 is provided on the front panel 3.
0 and a back plate 31, an electrode sheet 32 having a plurality of superposed printed printed wiring patterns 32a sandwiched between the front plate 30 and the back plate 31, and a switch operator 33. ing.

A pressing projection 35 is formed on a movable piece 34 elastically deformed in the front-rear direction on the front plate 30. The electrode sheet 32 is provided with a contact plate 36 made of a metal elastic member at a position corresponding to the pressing protrusion 35, and the contact plate 36 is pressed by the switch operating member 28 via the pressing protrusion 35. A switch is operated by the operation to be performed, and the operation of starting and stopping the photographing can be performed.

The switch operator 33 is sandwiched between the front plate 30 and the electrode sheet 32, and is provided with the standby-on operation lever 21 of the photographing standby switch mechanism 12 described above.
a and a switch-off operation lever 21b is slid to switch between a photographing standby state and a non-photographing state. A contact piece 33a provided on the switch operator 33 conducts and contacts the contacts 32b and 32c of the electrode sheet 32. Cut off.

The switch operating mechanism 29 constructed as described above
Is a mounting piece 3 formed on the back plate 31 in a state where the electrode sheet 32 is sandwiched and fixed between the front plate 30 and the back plate 31.
7 and 37 are fixed to and supported by a boss 18c protruding from the switch housing 18 of the photographing standby switch mechanism 12.

In the photographing standby switch mechanism 12 configured as described above, the state shown in FIG. 4 is a photographing standby state, and the photographing start / stop switch 14 is
It faces the opening window 2a of the TR main body 2. Therefore, when the imaging standby state is set, the standby-on operation lever 21
a, the switch operator 33 of the switch operating mechanism 29
Can be turned on by putting the contacts 32b and 32c of the electrode sheet 32 into a conductive state, that is, a power-on state.

When the photographing start / stop switch 14 is pressed in the photographing standby state, the operating projection 23 presses the contact piece plate 36 of the electrode sheet 32 through the pressing projection 35 of the front plate 30 of the switch operating mechanism 29. To a conductive state to set a photographing start state. When the photographing start / stop switch 14 is pressed again, the conductive state is cut off by a circuit mechanism (not shown) and the photographing is stopped.

When the standby knob 13 is turned in the direction of the arrow from the photographing standby state of FIG. 4, the non-photographing state shown in FIG. 5 is established. That is, in the state described above, the switch operator 33 of the switch operating mechanism 29 is moved by the standby-off operation lever 21b to the contacts 32b, 3 of the electrode sheet 32.
2c can be turned off to be in a standby-off state, that is, a power-off state. In this state, the shooting start / stop switch 14 is set to the switch housing 18.
And is hidden by the standby knob 13, so that the photographing start / stop switch 14 is not operated by mistake.

The photographing standby switch mechanism 12 configured as described above rotates the standby knob 13 with the thumb of the hand of the camera-integrated VTR 1 to easily operate between the photographing standby state and the non-photographing state. The shooting start / stop switch 14 can be operated by the thumb described above in the shooting standby state.

Next, the zoom lever mechanism 15 will be described in detail with reference to FIGS. A zoom lever 39 is rotatably supported on the main body 38 of the zoom lever mechanism 15 along a guide groove 40. In the main body portion 38, a square hole 39a of the zoom lever 39 is supported on a square shaft 41a formed on one side of a rotation operation member 41. A coil-shaped spring member 42 is supported on the rotation operation member 41, and one end 42 a and the other end 42 b of the spring member 42 compress the spring member by stopper members 43 a and 43 b provided on the rotation operation member 41. In this state, they are pressed against each other. Projecting members 38a, 38b formed on the main body 38 are in contact with both ends 42a, 42b of the spring member 42 from outside thereof.

A contact plate 44 is supported on the back surface of the rotary operation member 41, and the contact plate 44 can be slid into contact with a printed wiring pattern 46 of a plurality of superposed electrode sheets 45. Reference numeral 47 denotes a rotating operation member 41, a contact piece plate 44, and an electrode sheet 4 housed in the main body 38 described above.
5 is a back plate for holding 5.

The thus configured zoom lever mechanism 15
Is the zoom lever 39 on the T side (telephoto direction) in FIG.
When the zoom lever 39 is rotated, the rotary operation member also rotates together with the zoom lever 39, but the other end 42b of the spring member 42 is
, The spring member 42 is further compressed. When the turning power of the zoom lever 39 is released,
The rotation operation member 41 together with the zoom lever 39 includes the spring member 4.
It returns to the original position by the restoring force of 2. Similarly, when the zoom lever 39 is turned to the W side (wide angle direction), the spring member 42 is compressed because the one end 42a of the spring member 42 is in contact with the projection 38a of the main body 38. By releasing the turning power of the zoom lever 39, the zoom lever 39 and the rotation operation member 41 return to their original positions.

Accordingly, the contact plate 44 is moved by the rotation operation of the rotation member 41 as described above.
6, the signal corresponding to the T side (telephoto) and the W side (wide angle) is output to a control device (not shown).

The zoom lever mechanism 1 constructed as described above
5, the zoom lever 39 slidingly operate the camera-integrated VTR by the index finger of the hand that hand, T side (telephoto
Direction) and the W side (wide-angle direction) .

The present invention is not limited to the embodiment described above and shown in the drawings, and various modifications can be made without departing from the scope of the invention. For example, while the standby knob 13 of the photographing standby switch mechanism 12 has been described as rotating vertically, the standby knob 13 may be rotated horizontally or in any other direction. The switch mechanism in the present invention has been described as applied to an 8 mm camera-integrated VTR, but can be widely applied to camera devices.

[0036]

As described above, the turtle according to the present invention
The switch mechanism is located near the grip of the camera body.
When the camera is in the position of your thumb when holding the camera
A shooting mode that can be switched between standby mode and non-shooting mode.
Standby switch mechanism and telephoto state at index finger position
It has a zoom lever mechanism that can be switched to the wide angle state,
In the non-shooting state, the switch is turned by turning the standby knob.
The opening of the housing is closed and the shooting start / stop
Switch is hidden and protected by standby knob
The shooting start / stop switch is incorrect.
Can be prevented.
You.

[0037]

[Brief description of the drawings]

FIG. 1 is a camera-integrated VT equipped with a switch mechanism of the present embodiment.
It is a perspective view of R.

FIG. 2 is a perspective view of a photographing standby switch mechanism and a switch operating mechanism in a disassembled state.

FIG. 3 is a vertical sectional view of a photographing standby switch mechanism.

FIG. 4 is a cross-sectional view of the photographing standby switch mechanism, showing a photographing standby state.

FIG. 5 is a cross-sectional view of the photographing standby switch mechanism, showing a non-photographing state.

FIG. 6 is an exploded perspective view of the zoom lever mechanism.

FIG. 7 is a partial sectional view of a zoom lever mechanism.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 camera retractable VTR 2 camera body 12 shooting standby switch mechanism 13 standby knob 14 shooting start / stop switch 15 zoom lever mechanism 18 switch housing 19 rotating members 21 a, 21 b operating lever 23 operating projection 24 return spring 25 cam section 27 Spring member 28 Switch operation member 29 Switch operation mechanism 32 Electrode sheet 33 Switch operator 35 Pressing protruding part 36 Contact piece 38 Body part 38a, 38b Protrusion 39 Zoom lever 41 Rotating operating member 42 Spring member 44 Contact piece 45 Electrode Sheet

────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shinichi Ogasawara 6-7-35 Kita Shinagawa, Shinagawa-ku, Tokyo Inside Sony Corporation (56) References JP-A-3-1411 (JP, A) JP-A Heisei 5-304627 (JP, A) Japanese Utility Model Showa 57-35926 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) H04N 5/225-5/232

Claims (1)

(57) [Claims] 1. The camera according to claim 1, further comprising:
Hold the main unit at the position of your thumb and
Shooting standby that can be switched between
Switch mechanism, telephoto and wide-angle at index finger position
The camera has a zoom lever mechanism that can switch between
So that it is perpendicular to the rotating member that rotates about the axis.
Shooting start / strike that is arranged and switch operation is performed
Start the shooting from the switch and the rotating member.
Standby knob protruding next to the stop switch
The shooting start / stop switch
And the shooting standby position exposed through the
The switch is held at a non-photographing position concealed in the switch housing.
A spring member, and the non-photographing of the photographing start / stop switch.
In the position, the switch is turned on by the standby knob
The opening of the housing is closed and the above-mentioned shooting start / stop
Switch is concealed and protected by the above standby knob
Camera switch mechanism, characterized in that it has to be.