US Patent Issued to SHANGHAI INTEGRATED CIRCUIT MANUFACTURING INNOVATION CENTER on April 7 for "Dirt detection method and device for camera cover" (Chinese Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,598,397, issued on April 7, was assigned to SHANGHAI INTEGRATED CIRCUIT MANUFACTURING INNOVATION CENTER Co. LTD. (Shanghai).

"Dirt detection method and device for camera cover" was invented by Rui Yin (Shanghai), Min Xu (Shanghai), Wei Zhang (Shanghai) and Jian Jin (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the present invention provide a dual-modality bionic vision sensor. A first-type current-mode active pixel sensor (APS) circuit can simulate excitatory rod cells to perceive light intensity gradient information in a target light signal, thereby improving a dynamic arrange of an image sensed by a bionic vision sensor and i...