US Patent Issued to KIDDE FIRE PROTECTION on March 24 for "Passive infrared sensor and method of control" (Polish Inventor)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,796, issued on March 24, was assigned to KIDDE FIRE PROTECTION LLC (Bradenton, Fla.).

"Passive infrared sensor and method of control" was invented by Mateusz Mazur (Sopot, Poland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of controlling a field of view of a passive infrared sensor, the method comprising: providing a passive infrared sensor comprising: an infrared detector configured to detect infrared signals from a plurality of detection zones; and an electrochromic mask comprising a plurality of electrochromic sections; and applying a voltage to one or more of the plurality of electrochromic sections to control transmission of a pred...