US Patent Issued to Unknot.id on June 3 for "Methods and techniques to identify suspicious activity based on ultrasonic signatures" (Belgian, American Inventors)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,321,448, issued on June 3, was assigned to Unknot.id Inc. (Winter Garden, Fla.).

"Methods and techniques to identify suspicious activity based on ultrasonic signatures" was invented by Devu Manikantan Shila (Winter Garden, Fla.) and Adriaan Joris H. Larmuseau (Zwevegem, Belgium).

According to the abstract* released by the U.S. Patent & Trademark Office: "Various embodiments of an apparatus, methods, systems and computer program products described herein are directed to a Detection Engine that triggers playback of an audio signal at a defined frequency from a speaker module associated with a computing device. The Detection Engine receives a reflected signal captured by a microphone mod...