ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,443,304, issued on Oct. 14, was assigned to Kunshan Yunyinggu Electronic Technology Co. Ltd. (Kunshan, China).
"Capacitive sensing circuit, system, and device thereof" was invented by Xingbo Ding (Kunshan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "In certain aspects, a capacitive sensing circuit includes a current mirror circuit configured to receive two input current signals associated with two respective capacitance values and send two mirrored current signals, a current-differential current-summing circuit configured to receive the two mirrored current signals from the current mirror circuit and send a current-differential signal and a cur...