ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,719,408, issued on Aug. 25, was assigned to IPGOAL MICROELECTRONICS (SICHUAN) Co. LTD. (Chengdu, China).

"RC oscillator circuit" was invented by Yalan Lv (Chengdu, China) and Xiangyang Guo (Chengdu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An RC oscillator circuit is provided. An output terminal of the first current source unit is connected to the oscillation resistor and non-inverting inputs of the comparators, and the other end of the oscillation resistor is grounded. The second current source unit has two output terminals. Sources of the two oscillation MOS transistors are grounded, drains of the oscillation MOS transistors are connected ...