ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,494,742, issued on Dec. 9, was assigned to SEIKO EPSON Corp. (Japan).
"Circuit device and oscillator" was invented by Takehiro Yamamoto (Matsumoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a circuit device including: an oscillation circuit configured to generate an oscillation signal; a waveform shaping circuit configured to shape the oscillation signal into a clock signal having a rectangular wave; a low-pass filter configured to smooth the clock signal and generate a detection voltage corresponding to a duty of the clock signal; and a differential amplifier configured to output a bias voltage based on a difference between the de...