ALEXANDRIA, Va., May 26 -- United States Patent no. 12,638,940, issued on May 26, was assigned to Novatek Microelectronics Corp. (Hsinchu, Taiwan).

"Driving circuit and operating method thereof and controlling circuit" was invented by Wu Wei Lin (Taoyuan, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A driving circuit and an operating method thereof and a controlling circuit which are suitable for a knob apparatus are provided. The driving circuit includes multiple touch-sensing electrodes and a controlling circuit. The knob apparatus includes a knob and a touch panel. The knob is disposed on the touch panel. The touch-sensing electrodes and the controlling circuit are disposed in the touch panel. Th...