Patent ID: 8130684

Claim:
A wireless communication device of a first wireless communication device for use in a wireless communication system, said wireless communication system including a plurality of wireless communication devices for transmitting and receiving a CEC (Consumer Electronics Control) message specified in an HDMI (High-Definition Multimedia Interface) standard, said plurality of wireless communication devices including said first wireless communication device and a second wireless communication device, said first wireless communication device comprising: a CEC controller for generating and outputting a CEC frame including a CEC message; a packet controller for generating a wireless data packet including the CEC message in the generated CEC frame; and a wireless transceiver for wirelessly transmitting a wireless signal including the generated wireless data packet to said second wireless communication device, and for receiving a wireless signal including a wireless receiving response packet and wirelessly transmitted from said second wireless communication device in response to the wireless data packet in the wirelessly-transmitted wireless signal; and a table including CEC logical addresses of respective devices constituting the wireless communication system; wherein a header block of the CEC frame from the CEC controller is inputted to the packet controller, and the packet controller determines whether or not a destination logical address included in the header block is registered in the table, and wherein, when the destination logical address is not registered in the table, the packet controller completes a process without outputting a predetermined acknowledge signal to the CEC controller.