US Patent Issued to PIXART IMAGING on Dec. 16 for "Navigation device with improved light utilization efficiency and optical engine thereof" (Malaysian Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,498,797, issued on Dec. 16, was assigned to PIXART IMAGING INC. (Hsin-Chu County, Taiwan).

"Navigation device with improved light utilization efficiency and optical engine thereof" was invented by Yee-Loong Chin (Penang, Malaysia), Wan-Piang Lim (Penang, Malaysia) and Sai-Mun Lee (Penang, Malaysia).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a navigation device including a light source, a light guide and a light sensor. The navigation device is operated relative to a work surface. The light source generates an illumination beam passing through the light guide to generate an illuminated area on the work surface. The light sensor recei...