ALEXANDRIA, Va., June 12 -- United States Patent no. 12,299,197, issued on May 13, was assigned to Peratech IP Ltd (North Yorkshire, Great Britain).
"Touch device" was invented by Cao Jin (Jiansu, China), Xu Feng (Jiansu, China), Wei Xin (Jiansu, China) and Lv Bing (Jiansu, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A touch device comprises a base, a membrane pressure sensor arranged on the base, a touch sensing layer covering the membrane pressure sensor, and a force feedback structure arranged on the lower surface of the touch sensing layer and electrically connected to the membrane pressure sensor. The membrane pressure sensor is configured to generate a pressing signal related to the force appl...