ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,468,165, issued on Nov. 11, was assigned to PIXART IMAGING INC. (Hsin-Chu County, Taiwan).
"Optical mouse and light pipe thereof" was invented by Hun-Kwang Lee (Penang, Malaysia), Sai-Mun Lee (Penang, Malaysia), Priscilla Tze-Wei Goh (Penang, Malaysia) and Lye-Pin Chu (Penang, Malaysia).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical mouse operated with respect to an illuminated surface outside the optical mouse is provided. The optical mouse includes a light source configured to emit a light beam, and a light pipe including a first optical element and a second optical element. The light beam enters the light pipe through the first optical elem...