ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,499,705, issued on Dec. 16, was assigned to PixArt Imaging Inc. (Hsin-Chu, Taiwan).

"Optical identification device and related case" was invented by Yong-Nong Huang (Hsin-Chu, Taiwan) and Hui-Hsuan Chen (Hsin-Chu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical identification device includes a top cover, a circuit board, an optical detection module, an optical deviation component and an anti-reflection component. The circuit board is disposed under the top cover. The optical detection module is disposed on the circuit board, and the optical detection module includes a light emitter and a light receiver. The optical deviation component i...