Patent ID: 7904611

Claim:
A wireless communication apparatus comprising: a receptacle configured to be inserted on one end of a cable for transmitting and receiving an AV signal in which a video signal and an audio signal are superimposed on each other, and various commands for operation control; a wireless communication module configured to transmit and receive the AV signal and the various commands; a power supply controller configured to supply drive power to the wireless communication module; and a control module configured to control the power supply controller, to acquire, from an electronic equipment, setting information showing whether the electronic equipment is set to be activated in response to an activation command, the setting information is acquired based on expansion commands transmitted and received through the receptacle, to determine whether the electronic equipment is in operation based on commands transmitted and received through the receptacle when the setting information shows that the electronic equipment is in operation, and to instruct the power supply controller to stop supplying the drive power to the wireless communication module when it is determined that the electronic equipment is not being activated, wherein the various commands are defined in a HDMI-CEC (high definition multimedia interface for consumer electronics control) standard, and the expansion commands are a vender specific command.