ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,535,899, issued on Jan. 27, was assigned to TPK Advanced Solutions Inc. (Xiamen, China).
"Touchpad assembly" was invented by Cai-Jin Ye (Xiamen, China), Tsai-Kuei Wei (Hsinchu County, Taiwan), Wei-Yi Lin (Taoyuan, Taiwan), Chen-Hsin Chang (Taoyuan, Taiwan) and Dong-Yi Huang (Taipei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A touchpad assembly comprises a cover plate, a touch circuit board, a carrying mechanism, a magnet group, and vibration isolators. The touch circuit board is disposed under the cover plate and comprises a first touch electrode layer, a second touch electrode layer, and a single-layer embedded coil layer. The carrying mech...