Patent ID: 8854547

Claim:
A video display system, comprising: a source apparatus; a video display apparatus; and a cable connecting the source apparatus and the video display apparatus, wherein the source apparatus comprising: a status information holding module configured to hold status information which is updated into active if the source apparatus is manipulated in a first prescribed time and which is updated into inactive if the source apparatus has not been manipulated for the first prescribed time, and an output module configured to send the status information which is currently held at the status information holding module to the video display apparatus upon receiving a request therefrom, and wherein the video display apparatus comprising: a video display unit configured to display a video by receiving a video signal that is output from the source apparatus, a status information acquisition module configured to send the request toward the source apparatus if a prescribed condition is satisfied, and to receive the status information from the status information holding module of the source apparatus, wherein the prescribed condition is satisfied when the video display apparatus has not been manipulated for a second prescribed time, and a power controller configured to power off the video display apparatus if the prescribed condition is satisfied and the received status information indicates inactive, and to refrain from powering off the video display apparatus as long as the received status information indicates active even if the prescribed condition is satisfied.