Patent ID: 9503659
Filing Date: 2016-11-22
CPC Classification: G06F,G09G,H04N

Claim Text:
1. A video display device, comprising: a video display unit that displays video in accordance with a video signal; a display control unit that stops video display by the video display unit when a predetermined operation is instructed; a switching process signal output unit that outputs a predetermined switching process signal when the predetermined operation is instructed, the switching process signal output unit stopping the output of the switching process signal when the predetermined operation is complete; a switching detection signal input and output unit that outputs a switching detection signal, the switching detection signal taking a first state in a case where the switching process signal is being output by the switching process signal output unit of the display device, the switching detection signal taking the first state in a case where the switching process signal is being output by a switching process signal output unit of an other display device, the switching detection signal taking a second state in a case where the switching process signal is not being output by either the switching process signal output unit of the display device or the switching process signal output unit of the other display device; and a switching detection signal input unit that releases the stoppage of the video display by the video display unit when the switching detection signal is in the second state, wherein the first state includes that at least one of the video display unit of the video display device and a video display unit of the other video display device is switching a display video image; and wherein the second state indicates that the video display unit of the video display device has completed switching of a display video image and a video display unit of the other video display device has completed switching of the display video image.