ALEXANDRIA, Va., June 16 -- United States Patent no. 12,656,472, issued on June 16, was assigned to ASSA ABLOY AB (Stockholm).
"Detecting people using a people detector provided by a doorway" was invented by Tomas Jonsson (Stockholm).
According to the abstract* released by the U.S. Patent & Trademark Office: "It is provided a method for detecting people, the method being performed by a people detector provided by a doorway. The method comprises the steps of: receiving an open signal indicating that a door of the doorway is open; setting a people sensor of the people detector in an active mode based on receiving the open signal; detecting when a person passes through the doorway, using the people sensor; receiving a closed signal indicatin...