ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,542,041, issued on Feb. 3, was assigned to KIDDE FIRE PROTECTION LLC (Bradenton, Fla.).
"Self-testing smoke detector having an electrochromic film" was invented by Tyler Capek (Vadnais Heights, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A self-testing smoke detector is disclosed that includes a base and an optical cover positioned on the base and adapted to form an optical cavity with the base, allowing the smoke to enter therein. The self-testing smoke detector also includes a light source positioned in the base and adapted to illuminate the optical cavity. In addition, the self-testing smoke detector includes an electrochromic film disposed i...