US Patent Issued to TRIPLE WIN TECHNOLOGY (SHENZHEN) CO.LTD. on Dec. 30 for "Dot matrix projector, facial recognition module, and electronic device" (Chinese Inventor)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,511,859, issued on Dec. 30, was assigned to TRIPLE WIN TECHNOLOGY (SHENZHEN) CO.LTD. (Shenzhen, China).

"Dot matrix projector, facial recognition module, and electronic device" was invented by Wei-Wei Qi (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dot matrix projector includes an infrared light source used to emit infrared light, a collimating lens, a semi-transparent and semi-reflective plate on an output side of the collimating lens, a diffractive optical element on an output path of the semi-transparent and semi-reflective plate, and an infrared light conversion film on another output path of the semi-transparent and semi-refle...