ALEXANDRIA, Va., June 16 -- United States Patent no. 12,309,487, issued on May 20, was assigned to SHENZHEN YINWANG INTELLIGENT TECHNOLGOIES Co. LTD. (Shenzhen, China).

"Camera identification method, authentication method, system, and terminal" was invented by Mark Ryan (Birmingham, Great Britain), Flavio Garcia (Birmingham, Great Britain), Steven Yin Zhong (Singapore) and Zhuo Wei (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "A camera identification method comprises identifying a to-be-identified camera using a light sensitivity deviation of each pixel in the to-be-identified camera; generating corresponding identification data; identifying a target camera using a light sensitivity deviation of ...