ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,915, issued on Sept. 30, was assigned to Obsidian Sensors Inc. (San Diego).
"Adaptive charge measurement circuit for data converters" was invented by Bing Wen (San Diego), John Hong (San Diego) and Edward Chan (San Diego).
According to the abstract* released by the U.S. Patent & Trademark Office: "Data converter circuits and methods of operating the data converter circuits are disclosed. In some embodiments, a data converter circuit includes a charge measurement circuit. In some embodiments, the charge measurement circuit is a capacitive transimpedance amplifier (CTIA). In some embodiments, the data converter circuit includes the CTIA, a quantizer, a digital-to-analog converter,...