US Patent No. 10,635,873

VIDEO SIGNAL MONITORING METHOD, VIDEO SIGNAL MONITORING DEVICE, AND DISPLAY DEVICE


Patent No. 10,635,873
Issue Date April 28, 2020
Title Video Signal Monitoring Method, Video Signal Monitoring Device, And Display Device
Inventorship Yoshinori Moriki, Tokyo (JP)
Yutaka Arai, Tokyo (JP)
Assignee NEC DISPLAY SOLUTIONS, LTD., Tokyo (JP)

Claim of US Patent No. 10,635,873

1. A video signal monitoring method, comprising:detecting at least one of luminance or chromaticity in a predetermined region among regions of a video displayed on a display device;
converting the at least one of detected luminance or chromaticity into video identification information for identifying the video; and
outputting the video identification information and a time at which the video was displayed.