专利名称：CAMERA SYSTEM AND ITS CONTROL
METHOD
发明人：LIU, ZHANGZHE,OUYANG, CONGXING,LI,
HAN,ZHANG, GUANGHAI
申请号：EP07721311申请日：20070529公开号：EP2023609A4公开日：20090708
摘要：The camera system includes a camera device, a control device and an applicationserver, and they are connected in turn. The camera device which includes a cameramodule and a PLC camera adaptation module can be applied to produce audio/videoinformation. The camera device modulates the audio/video information, and sends outthe modulated information. The camera device also demodulates the modulated signaltransferred from power line so as to obtain a control signal, and adjusts cameraparameters according to the control signal. The control device is connected to the PLCcamera adaptation module via power line. The control device is applied to demodulate areceived modulated signal of audio/video information, and send out the demodulatedsignal. According to the received control indication information, the control devicegenerates a control signal, modulates the control signal, and controls the cameramodule. The application server is used for storing and providing audio/video information,camera device information and controlling purview information of the camera device. Theapplication server is also used for generating and sending out control indicationinformation. The present invention also discloses a method for controlling camera. The
present invention can control camera device remotely without using dedicated signal line.
申请人：CHINA MOBILE COMMUNICATIONS CORPORATION
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