Patent ID: 8300154
Filing Date: 2012-10-30
Classification: H04N

Abstract:
1. A television receiver for receiving a television broadcasting comprising: a tuner which receives a television broadcast signal to select a channel; a video/audio process circuit which generates a video/audio signal by processing the broadcast signal of the selected channel; an external unit connection portion which connects an external unit using a high-definition multimedia interface (HDMI) cable; an HDMI process unit which acquires unit information from the connected external unit, and communicates with the external unit with respect to video/audio data; a power supply circuit which supplies power to the tuner; and a control unit which controls the HDMI process unit and the power supply circuit, wherein when the HDMI process unit determines that the connected external unit has the same function as that of the tuner, the control unit allows the power supply circuit to stop the power supply to the tuner.