ALEXANDRIA, Va., June 9 -- United States Patent no. 12,289,112, issued on April 29, was assigned to Montage LZ Technologies (Shanghai) Co. Ltd. (Shanghai).

"Phase-locked loop device" was invented by Shunfang Wu (Shanghai), Qingxiang Dong (Shanghai) and Xiaomin Si (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a phase-locked loop device. The phase-locked loop device includes a frequency-locked loop circuit and a phase-locked loop circuit. The frequency-locked loop circuit includes a delay generator circuit and a frequency-phase detector. The delay generator circuit generates a ramp signal based on the feedback clock signal, and compares the ramp signal with multiple reference voltages t...