ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,475,549, issued on Nov. 18, was assigned to CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) Ltd. (Hong Kong).

"Diaphragm detection method, device and apparatus" was invented by Pengfei Duan (Ningde, China), Dajun Ni (Ningde, China), Jun Hu (Ningde, China), Shiping Feng (Ningde, China) and Qing Wu (Ningde, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A diaphragm detection method includes acquiring a target image of an electrode plate to be detected. The electrode plate to be detected includes an anode electrode plate and diaphragms respectively stacked on two sides of the anode electrode plate. The method further includes performing image processing ...