ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,510,414, issued on Dec. 30, was assigned to STEINEL GMBH (Herzebrock-Clarholz, Germany).
"Optical element for a motion detector" was invented by Stefan Sehlhoff (Herzebrock-Clarholz, Germany) and Torsten Born (Oerlinghausen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical element (100) suitable for guiding infrared radiation onto an infrared sensor (210) for detecting movements has a first region (110), in which a plurality of first lenses (112) having an aperture from a first aperture range and a focal length from a first focal length range are arranged, and has a second region (120), which lies within the first region (110) and has a...