| 摘要 |
<p>PURPOSE: A multi communication system is provided to save a power and reduce the length of coaxial cable by transmitting all of an image signal, an audio signal, a data signal and a control signal between a main control part and a passive control part and a power through one coaxial cable. CONSTITUTION: A multi communication system includes a main control part(100) for sending/receiving a power and a various signals through a coaxial cable and a passive control part(200) for being applied the power from the main control part(100) and for transferring the image signal, the audio signal and the data signal, sensed by the operation of the main control part(100), in response to the control of the main control part(100).</p> |
