ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,441, issued on May 13, was assigned to AMS INTERNATIONAL AG (Jona, Switzerland).

"Window and mirror presence detection system and corresponding method" was invented by Peter Trattler (Pirka, Austria) and Dan Jacobs (Hitzendorf, Austria).

According to the abstract* released by the U.S. Patent & Trademark Office: "A presence detection system (700) configured to detect a presence of a window (130) or a mirror (330) is disclosed. The system comprises a time-of-flight sensor (110, 310, 610) configured to detect a proximity to a target (105, 305, 605) based on reflected radiation sensed from a plurality of zones (620a-i). The system also discloses processing circuitry (750) configured ...