US Patent Issued to Alps Alpine on July 21 for "Power supply circuit protection device and power supply circuit protection method" (Japanese Inventor)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,689,205, issued on July 21, was assigned to Alps Alpine Co. LTD. (Tokyo).

"Power supply circuit protection device and power supply circuit protection method" was invented by Futoshi Endo (Iwaki-city, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power supply circuit protection device has a PWM control circuit and a voltage sensor that detects an input voltage to be supplied to a step-up power supply circuit. When it is sensed that the input voltage detected by the voltage sensor satisfies a predetermined voltage condition, the PWM control circuit sets the duty cycle of a PWM signal to a value smaller than a duty cycle setting at a normal time. ...