JPH01258576A - Operating method for camera for video conference - Google Patents

Abstract

PURPOSE:To smoothly execute a video conference by remotely controlling the television camera of the transmitter of an image from the receiver of the image. CONSTITUTION:On and off signals generated by operating the switch groups of the console 2 of the television camera are transmitted to an image transmitting side device 6 through an encoder 4 and a multiplexer 5. In a separator 7, the combined codes of '1', '0' are separated from a transmitted digital main signal (a) to reproduce the on and off signal corresponding to a control type. According to this on and off signal, a motor 9 is moved to control the position of the television camera 10 and execute a zooming.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a television conference system, and particularly to a method of operating a television camera for photographing the inside of a conference hall.

[Conventional technology]

Conventionally, cameras used in video conferences have been operated on the image transmitting side.

[Problem to be solved by the invention]

In the conventional method described above, the image receiving side requests the image transmitting side by voice each time the conference is in progress, so the conversation has to be continued until the desired image is obtained, making it difficult to proceed with the conference. It had the disadvantage of being a hindrance.

[Means to solve the problem]

In order to eliminate such drawbacks, the video conferencing camera operating method according to the present invention places a television camera operating signal at a certain position in a frame that constitutes the digital main signal transmitted and received between opposing video conferencing devices. By arranging a combination code of "1" and "O", multiplexing this combination code, and separating and decoding the multiplexed combination code, it is possible to remotely control each other's television cameras. .

[Effect]

In the video conference camera operation method according to the present invention,
You can conduct smooth video conferences.

〔Example〕

Next, a method for operating a video conference camera according to the present invention will be explained using figures. The figure is a system diagram showing a video conference system to which an embodiment of the video conference camera operating method according to the present invention is applied.

For convenience, only one opposing side is shown in the figure, and the image sending side device 6
A case will be described in which the television camera body 10 is remotely controlled from the image receiving device 1.

In the figure, 2 is a television camera console, 3 is a switch group, 4 is an encoder, 5 is a multiplexer, 7 is a separator, 8 is a decoder, 9 is a control motor, and 11 is a receiver. In the figure, the image receiving side device 1 and the image sending side device 6 constitute opposing video conference devices.

The television camera body 10 connected to the image sending device 6 has a control motor 9 that performs vertical and horizontal swinging, zooming, etc.
has. The television camera console 2 has switch groups 3 corresponding to control types, and generates on/off signals by operating the switches. The encoder 4 receives the on/off signal and
A combination code of "1" and "0" corresponding to the control type is generated. The combination code is concentrated or dispersed at certain positions in the frame constituting the digital main signal a by the multiplexer 5, and is transmitted to the image sending device 6.

The separator 7 separates the combination code from the digital main signal a, and the decoder 8 reproduces the on/off signal corresponding to the control type.
is operated to perform posture control, zooming, etc. of the television camera body 10.

〔Effect of the invention〕

As explained above, in the video conferencing camera operation method according to the present invention, by remotely controlling the television camera of the image sending side device from the image receiving side device, a voice message is transmitted to the image sending side as in the conventional method. This eliminates the need for troublesome methods such as asking someone to operate the camera, and has the effect of allowing smooth video conferencing.

[Brief explanation of the drawing]

The figure is a system diagram showing a video conference system to which an embodiment of the video conference camera operating method according to the present invention is applied. 1... Image receiving side device, 2... TV camera operation console, 3
... switch group, 4 ... encoder, 5 ... multiplexer, 6 ... image sending side device, 7 ... separator, 8 ... decoder, 9 ... control motor , 10... TV camera body", 12... Receiver. Patent applicant: NEC Corporation

Claims (1)

[Claims] In a method of operating a camera used in a video conference, a combination of "1" and "0" signals for operating the TV camera is placed at a certain position in the frame that constitutes the digital main signal transmitted and received between opposing video conference devices. A camera operating method for a video conference, characterized in that each other's television cameras are remotely controlled by arranging the combined codes, multiplexing the combined codes, and separating and decoding the multiplexed combined codes.