ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,501, issued on May 19, was assigned to ELITE SEMICONDUCTOR MICROELECTRONICS TECHNOLOGY INC. (Hsinchu, Taiwan).
"Device and method for estimating temperature of loudspeaker voice coil" was invented by Wun-Long Yu (Hsinchu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device for estimating the temperature of a loudspeaker's voice coil includes a signal generator, a signal adjuster, an adder, and a temperature estimator. The signal generator generates and outputs an amplified signal to a loudspeaker according to a measurement signal and an audio signal, and senses a voltage and a current of the amplified signal to generate and output a sensor...