JP2003304425A - Video camera - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a video camera which can dispose a power switch and an attachment/detachment locking mechanism 3 all at a camera section 1 and a recording/reproducing unit 2, that is, can separately dispose them at the camera section and the recording/reproducing unit. <P>SOLUTION: The video camera comprises: the recording/reproducing unit 2; the attachment/detachment locking mechanism 3; and a stopper mechanism for interlocking with the operation of the power switch. In this camera, the power switch and the stopper mechanism are attached to the camera section 1. The locking mechanism 3 is attached to the recording/reproducing unit 2. The camera section 1 and the recording/reproducing unit 2 can be mounted or removed in the state that the power switch is OFF, and cannot be mounted nor removed in the state that the power switch is ON. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a video camera in which a camera section and a recording / reproducing section can be attached / detached, and more particularly to a video camera having an attachment / detachment lock mechanism for prohibiting attachment / detachment during operation of the video camera. .

[0002]

2. Description of the Related Art A video camera in which a camera section and a recording / reproducing section can be attached / detached is described in Japanese Patent Laid-Open No. 9-275517. Further, the camera section and the recording / reproducing section are integrated with each other and a camera section is provided through a rotation mechanism. A video camera in which the recording / reproducing unit is relatively rotatable is disclosed in Japanese Patent Application Laid-Open No. 6-98210. In addition, in order to allow attachment / detachment of the camera unit and the recording / reproducing unit and prohibit attachment / detachment during operation of the video camera, a video camera in which an attachment / detachment lock mechanism provided in the camera unit is interlocked with a power switch has been conventionally used. Known from. An example thereof is shown in FIG. The conventional detachable lock mechanism will be described below with reference to FIG.

An attachment / detachment lock mechanism is provided in the camera section,
The lock operation angle 14, the lock angle 16, the base chassis 17, the springs 20 and 23, and the power switch angle 26 are included. The lock operation angle 14 includes a lock knob 15 and a cam follower pin 14a.
And the pins 18, 19 crimped to the base chassis 17
Is provided with two grooves and a holding portion that holds one side of the spring 20. The lock angle 16 corresponds to the cam follower pin 14a, and an inclined cam groove 16a for moving the lock angle 16 in the "B" direction of the arrow by moving the cam follower pin 14a in the "A" direction of the arrow.
, Lock angle tip 16b, groove 16c, and base
The chassis 17 is provided with two grooves corresponding to the crimped pins 21 and 22, and a holding portion for holding one side of the spring 23. The lock angle tip portion 16b is fitted into the groove 24 provided in the recording / reproducing unit to integrate the camera unit and the recording / reproducing unit. The base chassis 17 is provided with the pins 18, 19, 21, 22 described above, a holding portion for holding the other side of the springs 20, 23, and the pin 27. The base chassis 17 is fixed to the camera section with screws. For the power switch angle 26, set the power switch to O
A power switch knob 25 for turning off and on and a groove corresponding to the pin 27 crimped on the base chassis 17 are provided. The spring 20 urges the lock operation angle 14 to move in the direction opposite to the arrow “A”,
The spring 23 urges the lock angle 16 to move in the “B” direction of the arrow. Cam follower pin 14a
The cam groove 16a forms a movement direction changing mechanism that changes a horizontal movement into a vertical movement. Although not shown in the figure, the video camera has a camera unit with respect to the recording / reproducing unit.
Since it is configured to be attached or detached by moving in the horizontal direction, when the lock angle tip portion 16b is fitted into the groove 24 provided in the recording / reproducing portion, the camera portion can be attached or detached. Can not.

The lock operation will be described below. Figure 6 (1)
When the lock knob 15 provided on the lock operation angle 14 is moved in the "A" direction of the arrow against the spring 20, the lock operation angle 14 is changed to the base chassis 1
Pins 18 and 19 crimped to 7 and the pins 18 and 19
By the groove provided at the position corresponding to the arrow "A"
Sliding in the direction, the cam follower pin 14a crimped on the lock operation angle 14 is moved in the arrow "A" direction. Then, the cam follower pin 14a slides in the cam groove 16a of the lock angle 16 and moves the lock angle 16 in the "B" direction of the arrow. As a result, as shown in FIG. 6 (2), the lock angle tip portion 16b is pulled out from the groove 24 provided in the recording / reproducing portion to disengage it, so that the camera portion can be moved horizontally from the recording / reproducing portion. , Can be separated.

FIG. 6 (3) shows a state in which the video camera is operating, that is, the power switch is turned on.
When the power switch is turned on and the power switch knob 25 is moved in the "A" direction of the arrow, the power switch switch angle 26 with the power switch knob 25 attached is formed in the groove by the pin 27 crimped to the base chassis 17. It is slid along and slides in the "A" direction of the arrow, and its tip 26
a is fitted in the groove 16c of the lock angle 16, and the lock angle 16 is prohibited from moving in the "B" direction of the arrow and the opposite direction. By doing this, when the power switch is ON and the video camera is operating,
The structure is such that the camera unit and recording / playback unit cannot be attached or detached.

Although the base chassis 17 is fixed to the camera unit in the above-mentioned attachment / detachment lock mechanism, it may be fixed to the recording / reproducing unit. In that case, the groove 24 is provided in the camera section.

[0007]

In the conventional video camera having the attachment / detachment lock mechanism for locking attachment / detachment of the camera unit and the recording / reproducing unit described above, the power switch interlocking with the attachment / detachment lock mechanism has the lock mechanism. Same side as (Fig. 6
In the prior art example, it was necessary to arrange it on the camera section side). Therefore, there is a problem that it is impossible to dispose the power switch and the attachment / detachment lock mechanism separately in the camera section and the recording / reproducing section. For example, in the case of a liquid crystal view cam, it is desirable to arrange the power switch in the camera section in consideration of operability, but in consideration of downsizing of the camera section, there is a case where the detachable lock mechanism is not provided in the recording / reproducing section. In such a liquid crystal view cam, the detachable lock mechanism of the conventional example cannot be adopted.

It is an object of the present invention to provide a video camera in which a power switch and an attachment / detachment lock mechanism can be separately arranged in a camera section and a recording / reproducing section.

[0009]

In order to solve the above-mentioned problems, in the invention according to the first aspect, a camera section,
It is a video camera consisting of a recording / playback unit, an attachment / detachment lock mechanism, and a stopper mechanism that interlocks with the operation of a power switch. The camera unit is equipped with a power switch and a stopper mechanism, and the recording / playback unit has an attachment / detachment lock mechanism. Attached, the camera unit and the recording / reproducing unit can be attached and detached when the power switch is OFF, and the camera unit and the recording and reproducing unit cannot be attached and detached when the power switch is ON. In the invention according to Item 2, the video camera is composed of a camera unit, a recording / reproducing unit, an attachment / detachment locking mechanism, and a stopper mechanism interlocked with the operation of a power switch, and the attachment / detachment locking mechanism is attached to the camera unit. In addition, a power switch and a stopper mechanism are attached to the recording / playback unit, and when the power switch is off, the camera unit and the recording / playback unit are installed and installed. It is possible to attach / detach, and it is impossible to attach / detach the camera unit and the recording / reproducing unit when the power switch is in an ON state. In the invention according to Claim 3, the invention according to Claim 1 or 2 is described. In the video camera described above, a detachable lock mechanism is attached via a rotation mechanism, and the camera unit is rotatable relative to the recording / reproducing unit.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view showing attachment / detachment of a camera section and a recording / reproducing section which constitute the video camera of the present invention, FIG. 2 is a block diagram of an attachment / detachment lock mechanism of the present invention, and FIG. 3 is an attachment / detachment lock of the present invention. FIG. 4 is a diagram for explaining the operation of the mechanism, FIG. 4 is a diagram for explaining the configuration and operation of the stopper operating mechanism of the present invention, and FIG. 5 is an operation explanatory diagram of the stopper 8 in the detachable lock mechanism 3 of the present invention.

Referring to FIG. 1, a video camera of the present invention, for example, a video camera with a liquid crystal monitor, comprises a camera unit 1,
The recording / reproducing unit 2, the detachable lock mechanism 3 that allows the camera unit 1 and the recording / reproducing unit 2 to be attached / detached, and a stopper mechanism (described later; see FIGS. 4 and 5) interlocked with the operation of the power switch. In this embodiment, the attachment / detachment lock mechanism 3 is provided in the recording / reproducing unit 2.
However, it may be fixed to the camera unit 1. In that case, a stopper mechanism interlocked with the operation of the power switch is provided in the recording / reproducing unit 2. When the attachment / detachment lock mechanism 3 is provided, as in the embodiment,
Alternatively, a rotation mechanism that can rotate in the opposite direction may be interposed. By interposing the rotation mechanism, when the camera unit 1 is mounted, the camera unit 1 can be rotated with respect to the recording / reproducing unit 2. As an example of the rotating mechanism, the above-mentioned JP-A-6-9821 is used.
The technique described in No. 0 may be used.

The detachable lock mechanism 3, as shown in FIG.
The lock knob 4, a lock spring 5, a tilt frame C holder 6 made of resin, and a tilt frame C10. The lock knob 4 is provided with a lock portion 4a, and the lock portion 4a engages with a lock cam 1a (described later, see FIG. 3) provided in the camera portion 1 to move the camera portion 1 to the recording / reproducing portion 2.
It can be attached to and detached from. The tilt frame C holder 6 has fitting claws 6a, 6b, 6c, 6d for attaching and detaching the camera unit 1 to and from the recording / reproducing unit 2, and a detachable connector for electrically connecting the camera unit 1 and the recording / reproducing unit 2. Two
8 are provided. The tilt frame C10 is provided with a spring contact portion 10a with which one side 5a of the lock spring 5 abuts, and a groove 10b that slides and guides the lock knob 4 in the arrow "I" direction and the opposite direction. Tilt frame C
The holder 6 is attached to the tilt frame C10 using screws. The lock spring 5 is provided between one end of the lock knob 4 and the spring contact portion 10a, and always urges the lock knob 4 in the "" direction of the arrow.

Next, the operation of the detachable lock mechanism 3 will be described with reference to FIG. As described above, the tilt frame C1
The lock knob 4 slidably attached to 0 is provided with a lock portion 4a that engages with the camera portion 1, and the camera portion 1 also has a lock cam 1 that engages with the lock portion 4a.
a is provided.

When the camera unit 1 is mounted on the recording / reproducing unit 2, as shown in FIG. 3A, when the camera unit 1 is moved in the mounting direction (downward in the figure), the lock cam 1a provided on the camera unit 1 is moved. Hits the inclined surface of the lock portion 4a of the lock knob 4. Since the lock knob 4 is slidable in the direction opposite to the arrow "I" through the lock spring 5, the lock cam 1
It receives the force of the downward movement of a and slides in the direction opposite to the arrow "i". Further, when the camera unit 1 is moved downward, as shown in FIG.
As shown in (2), the lock portion 4a rides on the lock cam 1a, and subsequently, as shown in FIG. 3 (3), the lock portion 4a receives the force of the lock spring 5 behind the lock cam 1a and the arrow "I". Sliding in the "direction", the lock portion 4a and the lock cam 1
a is engaged, and the mounting of the camera unit 1 and the recording / reproducing unit 2 is completed. When detaching the camera unit 1 and the recording / reproducing unit 2, slide the lock knob 4 in the direction opposite to the arrow "I", and
As shown in (4), the lock portion 4a is disengaged from the lock cam 1a, and the camera portion 1 is in the opposite direction to the mounting direction (upward direction in the drawing).
Unlock by moving to. The above is the operation of the attachment / detachment lock mechanism 3 when the camera unit 1 and the recording / reproducing unit 2 are attached / detached.

Next, the structure and operation of the stopper mechanism will be described with reference to FIG. FIG. 4 (1) shows a non-operation (power OFF) state, and FIG. 4 (2) shows a recording / reproducing mode (power ON).
N) state, FIG. 4C shows the operating state of each stopper mechanism in the camera mode (power ON) state.

The stopper mechanism is a power switch operating section 7
It comprises a stopper 8, a stopper operation angle 9 and a camera frame 13. A cam follower 7a is attached to the power switch operating unit 7, and the power switch operating unit 7 is rotatable in the arrow “e” direction and the opposite direction, and when the power switch is inactive (power off), the state shown in FIG. In the center as shown in (1), and in the lower right as shown in FIG. 4 (2) in the recording / reproducing mode (power ON),
In the camera mode (power ON), they are rotated so that they are located at the upper right as shown in FIG.
The stopper 8 is provided with a dogleg-shaped long groove 8a, and the stopper 8 is slidable in the "?" Direction of the arrow and the opposite direction. For the stopper operation angle 9,
Two grooves corresponding to the cam groove 9a, the stopper operation pin 9b, and the crimp pins 11 and 12 fixed to the camera frame 13 are provided. The cam follower 7a of the power switch operating portion 7 is engaged with the cam groove 9a of the stopper operating angle 9. Stopper operation angle 9 is 2
The two grooves and the caulking pins 11 and 12 make the arrow "O"
It can slide in the direction and vice versa. The stopper operating pin 9b is engaged with the long groove 8a of the stopper 8.

When the power switch operating section 7 is turned in the recording / reproducing mode (power ON) by rotating it from the inactive (power OFF) state of the power switch shown in FIG. 4 (1) to the "e" direction of the arrow, the cam follower 7a. Is located at the upper left, and slides the stopper operation angle 9 in the direction opposite to the arrow "o" (upward in the figure), which causes the stopper 8 to move in the direction opposite to the arrow "ka" (right in the figure). Direction) and slide
The state shown in (2) is obtained. Rotate the power switch operating section 7 in the direction opposite to the arrow "e" to turn the camera mode (power on
When set to N), the cam follower 7a comes to be located at the lower left, and the stopper operation angle 9 slides in the "O" direction of the arrow (downward in the figure), whereby the stopper 8 is reversed from the "ka" of the arrow. Sliding in the direction (to the right in the figure)
The state shown in (3) is obtained. As can be seen from FIGS. 4 (2) and 4 (3), the stopper 8 is at the same position, and at that position, the camera unit 1 and the recording / reproducing unit 2 can be attached / detached in the recording / reproducing mode and the operating state of the camera mode. This is a non-existent position (see FIG. 5 (2)).

Next, referring to FIG. 5, when the power switch provided in the camera unit 1 is in the ON state (camera mode or recording / playback mode operation state), the camera unit 1 and the recording / playback unit 2 are attached / detached. A mechanism for prohibiting will be described. FIG. 5 (1) shows that the camera unit 1 cannot be detached when the operation mode is set with the camera unit 1 and the recording / reproducing unit 2 attached. It shows that the camera unit 1 cannot be mounted when the recording / reproducing unit 2 is separated and in the operation mode. The position of the stopper 8 is as shown in FIG.
It is as follows. Before the camera unit 1 is attached to the recording / reproducing unit 2, the mounting direction is downward (see FIG. 1), so the camera unit 1 is above the recording / reproducing unit 2 and the stopper 8 is the tilt of the detachable lock mechanism 3. It is located above the protrusion 6e provided on the frame C holder 6 (see FIG. 5 (2)). When the camera unit 1 is attached to the recording / reproducing unit 2, the stopper 8 comes to be positioned between the protrusions 6e and 6f provided on the tilt frame C holder 6 of the detachable lock mechanism 3 (FIG. 5 (1)). reference). Further, when the power switch is OFF, the stopper 8 has the protrusion 6e and the protrusion 6f.
Located on a different row (right side in FIG. 5) from the row consisting of
In the ON state, the stopper 8 is configured to be located on the same row as the row of the protrusions 6e and 6f (see FIG. 5 (2)).

When the camera unit 1 and the recording / reproducing unit 2 are attached, the power switch operating unit 7 provided in the camera unit 1 is rotated to be in the ON state (the operating state of the camera mode or the recording / reproducing mode). , As shown in FIG. 5 (1),
The stopper 8 that interlocks with the operation of the power switch operating unit 7 slides in the arrow "U" direction (the opposite direction of the arrow "ka"),
The attachment / detachment lock mechanism 3 engages between the protrusion 6e and the protrusion 6f provided on the tilt frame C holder 6 to prevent movement of the camera unit 1 in the attachment / detachment direction (upward direction in the drawing). By doing so, the camera unit 1 can be operated during operation.
It is prohibited to attach / detach to / from the recording / reproducing unit 2.

When the power switch operating section 7 is rotated to the ON state while the camera section 1 and the recording / reproducing section 2 are separated from each other, the stopper 8 slides in the "u" direction indicated by the arrow, and FIG.
As shown in (2), the protrusion 6e is located above the protrusion 6e. Therefore, when trying to mount the camera unit 1 on the recording / reproducing unit 2, the stopper 8 hits the protrusion 6e provided on the tilt frame C holder 6 of the attachment / detachment lock mechanism 3, and the mounting direction of the camera unit 1 (downward direction in the figure). Will prevent you from moving to. By doing so, it is prohibited to mount the camera unit 1 on the recording / reproducing unit 2 during operation.

[0022]

According to the inventions according to claims 1 and 2, considering that the conventional example of FIG. 6 exists,
The power switch and the attachment / detachment lock mechanism 3 can be arranged on either the camera unit 1 or the recording / reproducing unit 2, that is, not only on the same side but also separately on the camera unit and the recording / reproducing unit.

According to the third aspect of the invention, the camera unit 1 and the recording / reproducing unit 2 can be attached / detached and the camera unit 1 can be set in a freely rotatable position with respect to the recording / reproducing unit 2. There is an effect that can be.

[Brief description of drawings]

FIG. 1 is a diagram showing an embodiment of a video camera of the present invention.

FIG. 2 is a view showing an embodiment of a removable lock mechanism 3 of the present invention.

FIG. 3 is a diagram showing an operation of the embodiment of the attachment / detachment lock mechanism 3 of the present invention.

FIG. 4 is a diagram showing the configuration and operation of the embodiment of the topper operating mechanism of the present invention.

FIG. 5 is a view showing an operation of the embodiment of the stopper 8 in the attachment / detachment lock mechanism 3 of the present invention.

FIG. 6 is a diagram showing a conventional detachable lock mechanism.

[Explanation of symbols]

1 camera section 1a lock cam 2 Recording / playback section 3 Detachable lock mechanism 4 lock picking 4a Lock part 5 Lock spring 6 Tilt frame C holder 6a-d mating nails 6e, f protrusion 7 Power switch operation part 7a Cam follower 8 stopper 8a long groove 9 Stopper-Operating angle 9a Cam groove 9b pin 10 Tilt frame C 10a Spring contact part 11 pin 12 pin 13 camera frames 14 Lock operation angle 14a Cam follower pin 15 Lock picking 16 Rock angle 16a cam groove 16b tip 17 base chassis 18 pin 19 pin 20 spring 21 pin 22 pin 23 Spring 24 grooves 25 Power switch picking 26 Power switch angle 26a Tip 27 pin 28 Detachable connector

Claims (3)

[Claims] 1. A video camera comprising a camera section, a recording / reproducing section, an attachment / detachment lock mechanism, and a stopper mechanism interlocked with the operation of a power switch, wherein the power switch and the stopper mechanism are attached to the camera section. The recording / playback unit is equipped with a detachable lock mechanism that allows the camera unit and the recording / playback unit to be attached / detached when the power switch is OFF, and the camera unit and the recording / playback unit cannot be attached / detached when the power switch is ON. A video camera characterized by the fact that it is possible. 2. A video camera comprising a camera section, a recording / reproducing section, an attachment / detachment lock mechanism, and a stopper mechanism interlocked with the operation of a power switch, wherein the attachment / detachment lock mechanism is attached to the camera section, and recording is performed. A power switch and a stopper mechanism are attached to the playback section. When the power switch is off, the camera section and recording / playback section can be attached / detached, and when the power switch is on, the camera section and the recording / playback section cannot be attached / detached. A video camera characterized by the fact that it is possible. 3. The video camera according to claim 1 or 2, wherein a detachable lock mechanism is attached via a rotation mechanism so that the camera unit can rotate relative to the recording / reproducing unit. Video camera.