COMMUNICATION SYSTEM, TRANSMISSION DEVICE, RECEPTION DEVICE, COMMUNICATION METHOD, PROGRAM, AND COMMUNICATION CABLE
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United States of America Patent
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app pub date -
Dec 8, 2016
filing date -
Jun 26, 2007
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Abandoned
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Abstract
The present invention relates to a communication system, a transmission device, a reception device, a communication method, a program, and a communication cable, whereby high-speed communication can be executed while maintaining compatibility. In the event that an HDMI(R) source 71 and an HDMI(R) sink 72 execute two-way IP communication using a CEC line 84 and a signal line 141, a switching control unit 121 controls a switch 133 to select a partial signal making up the differential signal from a conversion unit 131 at the time of transmitting data, and controls the switch 133 to select a partial signal making up a differential signal from a receiver 82 at the time of transmitting data, and in the case of executing two-way communication using the CEC line 84 alone, the switching control unit 121 controls the switch 133 to select the CEC signal from the HDMI(R) source 71 or receiver 82 with the switch 133. The present invention may be applied to HDMI(R), for example.
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