ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,399,198, issued on Aug. 26, was assigned to Montage Technology Inc. (San Jose, Calif.).
"Zero-crossing detection circuit" was invented by Jiandong Jiang (San Jose, Calif.) and Xuexin Ding (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A zero-crossing detection circuit includes a variable resistor, a first switch, a first capacitor, a first selector, a second selector, a first transistor, and a comparator. Variable resistor is connected to power supply voltage via reference resistor. First switch has first terminal coupled to first terminal of variable resistor. First capacitor has first terminal coupled to second terminal of first switch. Firs...