ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,554,345, issued on Feb. 17, was assigned to ICHIA TECHNOLOGIES INC. (Taoyuan, Taiwan).
"Knob structure" was invented by Chung-Ching Chou (Taoyuan, Taiwan) and Chung-Yu Chen (Taoyuan, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A knob structure is configured to be installed on a touch function display panel, and includes a seat, at least one conductive pad, a conductive member, an operating cover, and a conductive film. The at least one conductive pad is disposed on the seat. When the at least one conductive pad is triggered, the at least one conductive pad is configured to send a signal to the touch function display panel. The conductive membe...