ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,950, issued on July 21, was assigned to JADARD TECHNOLOGY INC. (Shenzhen, China).

"Touch device and smart apparatus" was invented by Yu-Chieh Hsu (Tainan, Taiwan), Hsiu-Na Hsieh (Shenzhen, China), Chih-Wei Chien (Shenzhen, China) and Feng-Liang Huang (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A touch device includes a substrate, a plurality of touch electrodes on a surface of the substrate, a plurality of first switches and a plurality of second switches, a switch control circuit, and a touch control circuit. Each of the first switches is connected to at least one of the touch electrodes. The switch control circuit is connected ...