ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,556,147, issued on Feb. 17, was assigned to AAC Technologies (Nanjing) Co. Ltd. (Nanjing, China).
"Single power amplifier-driven signal control system and method" was invented by Lijian Ye (Nanjing, China) and Yuheng Jiang (Nanjing, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A single power amplifier-driven signal control system for driving a two-in-one device integrating a first component capable of generating sound and a second component capable of generating vibration, where the two-in-one device includes a first input end and a second input end for introducing a signal respectively to the first component and the second component. The signal...