DATA TRANSMISSION SYSTEM, TRANSMITTER, RECEIVER, DATA TRANSMISSION METHOD, PROGRAMME AND DATA TRANSMISSION CABLE Russian patent published in 2013 - IPC H04L29/02 G06F13/00 

FIELD: information technology.

SUBSTANCE: when an HDMI source 71 performs bidirectional IP communication with an HDMI sink 72 using a consumer electronics control (CEC) line 84 and a signal line 141, a switching control unit 121 controls a switch 133 so that, when data is transmitted, the switch selects a constituent signal forming a differential signal from a converting unit 133 and, when data is transmitted, the switch selects a constituent signal forming a differential signal from a receiver 82. When bidirectional communication is performed using only the CEC line 84, the switching control unit 121 controls the switch 133 so that the CEC signal from the HDMI source 71 or the receiver 82 is selected using the switch 133.

EFFECT: unidirectional high-speed transmission of pixel data of an uncompressed image, such as High Definition Multimedia Interface (HDMI), to provide high-speed bidirectional communication while supporting compatibility.

18 cl, 40 dwg