Control method of the video output device and the video output device and control method of the video display device and image display device

摘要

While connected to the video display device using the communication means is configured to disconnect the electrical connection with the stop of the power supply from the image output device, the output of the video data to the video display device There is the case where the video display device is operating in an operation mode where the output of the video data is resumed after being stopped temporarily, and by controlling so as not to break the electrical connection, the video in the video display device it is intended to shorten the period But not displayed. In a state in which the on-level control signal to in response to the fact that it is powered from the video output device and electrically connected to each other via a communication means with the video output device, it detects that the power supply is stopped If you, in a case where the operation mode of the video output device is a resume operation mode output of the image data after temporarily stops the output of video data, it is controlled so as not to change the off-level and the control signal .