Patent ID: 7929055

Claim:
An image display device, comprising: a tuner configured to receive a broadcasting signal; a demux configured to divide the received broadcasting signal into video data, audio data, and additional data; an audio processing unit configured to process the audio data; a video processing unit configured to process the video data; a speaker configured to output the processed audio data; a display unit configured to display the processed video data; a key input unit configured to receive transmission setup information from a user, the transmission setup information including identifications of an external device, a broadcasting signal to be transmitted to the external device, and a transmission time of the broadcasting signal to be transmitted to the external device; a memory configured to store the transmission information; a controller configured to control an operation of the image display device according to an output of the key input unit, determine whether the external device has a speaker or a display unit according to a type of the external device, and form a determination result, and select at least one of the video data, audio data and additional data of the broadcasting signal to be transmitted to the external device according to the determination result to form selected data; and a communication unit configured to transmit the selected data to the external device at the transmission time.