ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,562,697, issued on Feb. 24, was assigned to AAC Microtech (Changzhou) Co. Ltd. (Changzhou, China).
"Driving circuit for audio power amplifier and electronic device" was invented by Ronglin Linghu (Changzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A driving circuit for an audio power amplifier and an electronic device are provided. The driving circuit includes an audio codec, an audio power amplifier (PA), a power management integrated circuit (PMIC), a transistor, a speaker, and a motor. The transistor is connected in series with the motor to form a combined body, the speaker is connected in parallel with the combined body to form a two-in...