US Patent No. 10,192,088

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


Patent No. 10,192,088
Issue Date January 29, 2019
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. 10,192,088

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