US Patent Issued to DARWIN PRECISIONS on Sept. 22 for "Contactless button" (Taiwanese Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,743,175, issued on Sept. 22, was assigned to DARWIN PRECISIONS Corp. (Hsinchu County, Taiwan).

"Contactless button" was invented by chih-hung Liu (Hsinchu County, Taiwan), Ya Han Ko (Hsinchu County, Taiwan), Ran-Shiou You (Hsinchu County, Taiwan) and Hsing-Yu Chen (Hsinchu County, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A contactless button includes a substrate, a frame body, a first light-emitting unit, an optical imaging assembly, and an optical switch assembly. The frame body is mounted on the substrate. The first light-emitting unit is in the frame body. The optical imaging assembly is in the frame body and covers the first light-emit...