Patent ID: 9525829
Filing Date: 2016-12-20
CPC Classification: G08B,H04N

Claim Text:
1. A video display apparatus, comprising: a first video output unit and a second video output unit configured to output signals representing first videos and second videos captured or received, respectively, and when a predetermined signal is input from an outside, only for a predetermined switching period, both the first video output unit and the second video output unit are configured to output signals representing third videos having no content fixed images, instead of the signals representing the first and second videos, respectively; a display configured to display a video based on the signals output by one of the first and second video output units; and a control apparatus configured to output the predetermined signal to the first and second video output units, and after having output the predetermined signal, to execute switching a signal representing a video output to the display among the signals representing the videos output by the first and second video output units, respectively, so that at the start of the switching period the video output to the display is the no content fixed image output from the first video output unit, that at a middle portion of the switching period the signal output to the display is switched to the no content fixed image output from the second video output unit, and that at the end of the switching period, the signal output to the display is the second video signal output from the second video output unit, respectively, without receiving, as input, a sync signal from any one of the video output units.