ALEXANDRIA, Va., July 23 -- United States Patent no. 12,367,745, issued on July 22, was assigned to STMICROELECTRONICS S.r.l. (Agrate Brianza, Italy).
"Passive infrared sensor with patterned lens" was invented by Enrico Rosario Alessi (Catania, Italy), Fabio Passaniti (Syracuse, Italy), Antonella Licciardello (Misterbianco, Italy) and Daniele Baldacchino (San Pietro Clarenza, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sensor device includes a passive infrared sensor, a control circuit, and a lens that directs infrared radiation onto the passive infrared sensor. The lens includes an obstruction that asymmetrically blocks transmission of infrared radiation through the lens. The control circuit is c...