ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,549,159, issued on Feb. 10, was assigned to XILINX INC. (San Jose, Calif.).
"Injection locked phase rotator" was invented by Li Yang Chen (San Jose, Calif.), Chi Fung Poon (San Jose, Calif.) and Chuenhuei Chou (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An injection locked ring oscillator (ILRO) system is disclosed. The ILRO system includes an ILRO circuit configured to receive a plurality of injection control signals and a phase control signal, and to generate a plurality of output clock signals; a phase detector circuit configured to receive the output clock signals and to generate a phase output signal based on phase differences ...