US Patent Issued to Apple on Aug. 18 for "Active illumination systems" (California, Texas Inventors)

ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,710,691, issued on Aug. 18, was assigned to Apple Inc. (Cupertino, Calif.).

"Active illumination systems" was invented by Christian I Moore (Cupertino, Calif.), Ravi Teja Sukhavasi (Fremont, Calif.), Taufiq Habib (Sherman, Texas), Tushar Gupta (Stanford, Calif.) and Zhiheng Jia (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Fiducial patterns that produce diffraction patterns at a camera sensor are etched or otherwise provided on the surface of a cover glass (CG) in front of a camera. An active light source injects light into the cover glass or into a diffractive optical element to strengthen the signal from the fiducial pattern, or al...