ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,499,577, issued on Dec. 16, was assigned to CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) Ltd. (Hong Kong).

"Method and apparatus for testing stability of vision system" was invented by Lei Zhang (Ningde, China), Guannan Jiang (Ningde, China) and Fei Chen (Ningde, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of this application provide a method and apparatus for testing stability of a vision system, which can test whether the vision system is stable, so as to report a fault in a timely manner when the vision system is unstable, thereby guaranteeing accuracy of a measurement result of the vision system. The method includes: obtaining fi...