ALEXANDRIA, Va., March 24 -- United States Patent no. 12,587,147, issued on March 24, was assigned to Realtek Semiconductor Corp. (HsinChu, Taiwan).

"Amplifying circuit and charging method which can improve abnormal sound" was invented by Tzu-Chieh Wei (HsinChu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An amplifying circuit, comprising: a charging circuit, comprising a plurality of first transistors electrically coupled to a target device; and an output circuit, comprising a plurality of second transistors electrically coupled to the target device. After at least one of the first transistors turns on and the second transistors turn off such that the charging circuit charges the target device to ...