US Patent Issued to PIXART IMAGING INCORPORATION on March 31 for "Proximity sensor using partial-transmissive-partial-reflective optical element and manufacturing method thereof" (Taiwanese Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,833, issued on March 31, was assigned to PIXART IMAGING INCORPORATION (Hsinchu, Taiwan).

"Proximity sensor using partial-transmissive-partial-reflective optical element and manufacturing method thereof" was invented by Hui-Hsuan Chen (Hsinchu, Taiwan) and Nien-Tse Chen (HsinChu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A proximity sensing device includes: a light source, a sensing unit, a light guide unit, and a window. The light source emits light, which is guided by the light guide unit to the window. The emitted light reflected by an object is received by the same window. The light guide unit includes a partial-transmissive-partial-...