Wired remote control is a dedicated cable or power line as a carrier, the signal with modem transmission mode, to achieve a small number of channels can be used to control the method.
In the field blanking period of transmissionline field synchronizing signal, so that the charge, the synchronous scanning, to accurately reproduce the original image.
在行场消隐期间传送行场同步信号，使收、发的扫描同步，以准确地重现原始图像。
3
It is common to utilize some line in digital signaltransmission but less common to utilize single chip computer technology and multimedia comprehensively in data transmission.