US Patent Issued to ROHM on Oct. 27 for "Amplifier circuit, motor driver circuit, positioning device, and hard disk device" (Japanese Inventor)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,776,737, issued on Oct. 27, was assigned to ROHM Co. LTD. (Kyoto, Japan).

"Amplifier circuit, motor driver circuit, positioning device, and hard disk device" was invented by Hisashi Sugie (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an amplifier circuit including an inverting input terminal configured to receive a first voltage, an output terminal, and a class A amplifier circuit configured to generate, at the output terminal, an output voltage that changes in reverse polarity with respect to the first voltage, in which a bias current of an output stage of the class A amplifier circuit changes according to the first voltage."...