US Patent Issued to CHINAINSTRU & QUANTUMTECH (HEFEI) on April 22 for "Phase-locked loop frequency synthesizer and control method therefor" (Chinese Inventors)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,283,964, issued on April 22, was assigned to CHINAINSTRU & QUANTUMTECH (HEFEI) Co. LTD. (Anhui, China).

"Phase-locked loop frequency synthesizer and control method therefor" was invented by Zhifu Shi (Anhui, China) and Wei Zhang (Anhui, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a phase-locked loop frequency synthesizer and control method therefor. The phase-locked loop frequency synthesizer includes: a voltage-controlled oscillator configured to generate a microwave signal; a directional coupler configured to: divide the microwave signal into a primary signal and a coupling signal, and transmit the primary signal into a transmitte...