Patent ID: 9686578
Date: 2017-06-20
CPC Classifications: H04N

Claim:
1. A display device, comprising: an interface configured to input information from a source device and to send information to the source device, the interface having a plurality of lines; a tuner unit configured to receive video information transmitted via digital broadcast; and a display unit configured to display a video based on video information input to the interface or a video based on video information received by the tuner unit, wherein the display unit is capable of conducting: a first display operation for displaying a video, based on video information and clock information, wherein in the first display operation the video information is input via at least one line of the plurality of the lines of the interface, and the clock information is input via a different line among the plurality of the lines of the interface than the at least one line; a second display operation for displaying a video, based on video information and clock information, wherein in the second display operation the clock information is input via at least one line of the plurality of the lines of the interface that is the same line that the video information is input; and a third display operation for displaying a video, based on video information received by the tuner unit, wherein information indicating that the second display operation is available on the display device is transmitted via the interface to a source device.