Patent ID: 8214726
Filing Date: 2012-07-03
Classification: H04L,H04N

Abstract:
1. A wireless communication device for transmitting and receiving CEC messages of HDMI, the wireless communication device comprising: a wired interface; a wireless interface; a node information memory for storing information on node devices connected through the wired interface and information on node devices connected through the wireless interface; and a controller for controlling transmission and reception through the wired interface and the wireless interface, based on contents stored in the node information memory, wherein when the wired interface receives a CEC message destined for a node device connected through the wireless interface, the controller outputs an ACK signal for the received CEC message from the wired interface, and transmits a wireless data packet containing contents of the CEC message from the wireless interface, and wherein when the wireless interface receives a wireless NACK packet indicating that the wireless data packet has not been correctly transmitted, the controller does not transmit CEC messages destined for the node device connected through the wireless interface.