JPH02188078A - Video camera - Google Patents

Abstract

PURPOSE:To cut an unseemly image plane which is photographed in misoperation by considering the video camera to be misoperated and stopping operation based upon a remote control signal when a signal is inputted from a switch on the camera main body during the operation based upon the remote control signal. CONSTITUTION:A microcomputer 12 sets a flag F to '0' except in the remote control operation. When a signal is inputted from a photography button or zoom switch, etc., on the camera main body and the flag F is '1', the remote control operation including remote control video recording is stopped. Namely, when a switch on the main body side is operated during the remote control operation, the video camera is converted to be misoperated, the remote control operation is stopped immediately, and a photographer is informed of that.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a video camera, and more particularly to a video camera that can be operated by remote control signals and by operating a switch on the camera body.

[Conventional technology]

Some conventional video cameras are operated by remote control by having an infrared remote control light receiving unit built into or externally attached to a switch operated by a switch provided on the camera body or the like.

[Problem that the invention seeks to solve]

By the way, in the above-mentioned video camera which can be operated by remote control operation, during recording by remote control operation, for example, a switch on the camera body may be operated without forgetting that recording is in progress using a remote control signal.

In this case, it is an obvious error in camera operation, and if recording continues, an unsightly screen such as ground photography will be recorded.

The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a video camera that can stop the remote control operation if the photographer makes an erroneous operation while the remote control is in operation.

[Means for solving problems]

In order to achieve the above object, the present invention provides a video camera which has an infrared remote control light receiving unit, can be operated by a remote control signal inputted through the infrared remote control light receiving unit, and can be operated by operating a switch on the camera body. The camera is characterized in that when an input is received from a switch on the camera body during operation based on the remote control signal, the operation based on the remote control signal is stopped.

[Effect]

According to the present invention, when a switch on the camera body is input while the video camera is operating in response to a remote control signal, it is assumed that the video camera has been erroneously operated, and the operation in response to the remote control signal is immediately stopped. This results in
The photographer can notice the erroneous operation and cut out unsightly recordings such as ground shots.

〔Example〕

Preferred embodiments of the video camera according to the present invention will be described in detail below with reference to the accompanying drawings.

FIG. 1 is a perspective view showing an embodiment of the video camera according to the present invention, and shows a state where the video camera body 10 and the grip 20 are separated.

This video camera is a camera-integrated VTR, and the video camera body 10 includes a camera section including a photographing lens 11, an image processing section, etc., a VTR section for recording video signals generated by the camera section on a video tape, and these components. There are provided a control section (microcomputer) 12 for controlling and controlling the camera section, VTR section, etc., and an infrared remote control receiving unit 13 for receiving IJ control signals (see FIG. 2).

The light receiving L unit 13 is mounted on the shoe stand 14 of the video camera body 10, and by mounting this light receiving unit 13, it becomes possible to receive a remote control signal from the infrared remote control transmitter 15. That is, this video camera is configured so that it can be operated by operating various switches such as a shooting button on the video camera body, and can also be operated by remote control signals inputted through the light receiving unit 13. The shooting button on the video camera body is of a double-action type that alternately commands start and stop each time the button is pressed.

Further, the light receiving unit 13 may be built into the video camera body 10.

On the other hand, the grip 20 includes a mounting screw 22 and a protrusion 24.
It can be attached to and detached from the bottom of the video camera body 1O. That is, when attaching the grip 20 to the bottom of the video camera body 10, the mounting screw 22 is positioned in the tripod mounting screw hole at the bottom of the camera body 10, and the protrusion 24 is formed at the bottom of the camera body 10. the tripod, and turn the mounting screw 22 to screw it into the tripod mounting screw hole.

Further, the grip 20 is provided with a set of photographing buttons 26, and the grip 20 is connected to the video camera body.
A cord 28 with a plug 28A is provided for electrical connection to the O side.

The plug 28A is then inserted into a jack (not shown) on the video camera body 10 side.

The photographing button 26 is configured as a photographing button of the Nunguruakunyong method, which commands to start photographing only while the button is pressed, and commands to stop photographing when the button is released.

Next, camera control by the microcomputer 12 shown in FIG. 3 will be explained.

FIG. 2 is a flowchart showing an example of forced operation by the microcomputer 12. In the same figure, microcontroller 1
Step 2 determines whether the camera is operating (for example, normal recording or interval recording) based on a remote control signal applied from the remote control transmitter 15 via the light receiving unit 13 (step 100). If the remote control is in operation, the flag F indicating whether the remote control is in operation is set to "1" indicating that the remote control is in operation; if the remote control is not in operation, the flag F is set to "0". Set (steps 110 and 120).

Incidentally, when the flag F is set to "1", the tally LED 13A (see FIG. 1) of the light receiving unit 13 is blinked to notify the photographer that the remote control is in operation.

Next, it is determined whether there is an input from a switch such as a shooting button or a zoom switch on the video camera body (step 130). If there is no input, repeat step 10
The value returns to 0, and if there is an input, the process moves to step 140.

In step 140, it is determined whether the flag F is "1" or "0", and if it is "0", the process returns to step 100 and "l" is determined.
”, the process moves to step 150 to stop remote control operations including remote control recording.

In this way, according to steps 100 to 150, if an input is received from the switch on the main body during operation using the remote control, the operation using the remote control is stopped. That is, if a switch on the main body side is operated while the remote control is operating, it is regarded as an erroneous operation, the remote control operation is immediately stopped, and the photographer is notified of the erroneous operation.

Also, during recording using the double-action shooting button on the video camera body IO, if the single-action shooting button 26 on the grip 20 is not pressed, the plug 28A
Recording is temporarily stopped when the plug is inserted into the jack on the video camera body, but even if the plug 28A is connected or disconnected or the shooting button 26 is operated while the remote control is in operation, this may result in an erroneous operation as described above. Alternatively, the remote control operation may be stopped.

Furthermore, even when the light receiving unit 13 is attached or detached, the remote control operation may be stopped.

FIG. 4 is a block diagram showing an example of initializing remote control-related controls when the light receiving unit 13 is attached to the video camera body 10.

As shown in the figure, the light receiving unit 13 includes a photodiode 13B1 that receives an infrared remote control signal, a signal processing circuit 13C that includes an amplifier and a filter, and a signal processing circuit 13C that processes a signal applied from the photodiode 13B, a capacitor C, and the like. In addition, on the video camera body 10 side,
A reset circuit 16 for resetting the microcomputer 12 is provided.

Now, when the light receiving unit 13 is electrically connected to the video camera body 10 at time 1 in FIG. Figure (A)). On the other hand, the reset circuit 16 on the IO side of the video camera body operates at a power supply voltage (
5v) is the reference voltage v0. It operates when
Output to. As a result, the microcomputer 12 is reset and remote control related controls are initialized.

〔Effect of the invention〕

As explained above, according to the video camera according to the present invention, if there is an input from a switch on the camera body during operation using a remote control signal, it is assumed that an erroneous operation has been made, and the operation based on the remote control signal is stopped. This allows the photographer to be notified of the I operation. This makes it possible, for example, to cut out recordings of unsightly screens taken during erroneous operations.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing an embodiment of the video camera according to the present invention, FIG. 2 is a flowchart showing an embodiment of processing operations in the video camera of FIG. 1, and FIG. 3 is a perspective view of the video camera of FIG. 1. A block diagram of the main body, etc., FIG. 4 is a block diagram showing an example of initializing control related to the remote control, and FIG. 5 is a timing diagram used to explain FIG. 4. 10...Video camera body, 12...Control unit (microcomputer), 13...Infrared remote control receiver unit, 15...Infrared remote control transmitter, 2
0...Grip.

Claims (1)

[Scope of Claims] A video camera that has an infrared remote control receiving unit and can be operated by a remote control signal inputted through the infrared remote control receiving unit, and can also be operated by operating a switch on a camera body, comprising: an operation based on the remote control signal; A video camera characterized in that the operation according to the remote control signal is stopped when there is an input from a switch on the camera body.