US Patent Issued to REALTEK SEMICONDUCTOR on Aug. 25 for "Audio signal amplifying device and method" (Taiwanese Inventor)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,719,412, issued on Aug. 25, was assigned to REALTEK SEMICONDUCTOR Corp. (Hsinchu, Taiwan).

"Audio signal amplifying device and method" was invented by Chia-Chi Tsai (Hsinchu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An audio signal amplifying device processes an input signal to provide an output signal for a balanced headphone. The device includes a signal detection circuit, a voltage supply circuit, and an amplifying circuit. The signal detection circuit detects the variation in the input signal to generate a detection result. The voltage supply circuit outputs one of multiple voltages as a supply voltage according to the detection result;...