ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,526,493, issued on Jan. 13, was assigned to NANOVISION TECHNOLOGY (BEIJING) Co. LTD (Beijing).

"Auto exposure control system and image correction method" was invented by Zhili Cui (Beijing), Yunxiang Li (Beijing), Youwei Zhang (Beijing) and Qing Wei (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are an auto exposure control system and an image calibration method. The system comprises a main control unit and a plurality of auto exposure units, wherein the main control unit is connected to each of the auto exposure units; and the auto exposure units are in cascading connection. According to the system, detection of each X-ray source is ...