ALEXANDRIA, Va., July 23 -- United States Patent no. 12,368,983, issued on July 22, was assigned to CHINA ELECTRONICS TECHNOLOGY GROUP CORPORATION NO 44 RESEARCH INSTITUTE (Chongqing, China).

"Readout circuit of single photon avalanche focal plane" was invented by Shuiqing Xi (Chongqing, China), Ruoyao Gao (Chongqing, China), Dajian Cui (Chongqing, China) and Junxiang Yuan (Chongqing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A readout circuit of a single photon avalanche focal plane includes a pixel array circuit, a serial bus circuit, a clock and timing control circuit, a working mode control circuit, a clock generation circuit, temperature sensing circuits, data processing and storage circuits,...