ALEXANDRIA, Va., June 16 -- United States Patent no. 12,307,986, issued on May 20, was assigned to HKC CORPORATION LIMITED (Shenzhen, China).
"Control circuit, control method and displaying device" was invented by Honghai Liu (Shenzhen, China), Yongxin Ruan (Shenzhen, China), Dewei Yu (Shenzhen, China) and Haoxuan Zheng (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A control circuit includes a sampling sub-circuit, a switching sub-circuit, and a working power supply, where the sampling sub-circuit is configured to collect a level signal corresponding to a pulse width modulation signal, one end of the switching sub-circuit is connected to the sampling sub-circuit, the other end is connected ...