ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,775,112, issued on Oct. 27, was assigned to Shanghai United Imaging Healthcare Co. Ltd. (Shanghai).

"Method and apparatus for calibrating photoelectric conversion module, computer device, and storage medium" was invented by Guofeng Song (Shanghai) and Zhenjie Han (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for calibrating a photoelectric conversion module of a gamma detector is provided, where the gamma detector includes a scintillation crystal and a plurality of photomultiplier tubes. The method includes acquiring a plurality of sets of background data, each including photoelectric signals generated by the photomultiplier tubes ba...