ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,476,644, issued on Nov. 18, was assigned to Asahi Kasei Microdevices Corp. (Tokyo).
"PLL circuit" was invented by Takeji Fujibayashi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A PLL circuit including a digitally controlled oscillator outputting, as an output signal, a signal having a frequency modulated according to a control signal, a detection unit detecting a difference in at least one of a ratio or a phase of a frequency between the output signal and a reference signal, a digital loop filter smoothing an output indicating the difference output from the detection unit and outputs, as the control signal, a resulting output to the digitally ...