US Patent Issued to Amazon Technologies on Oct. 7 for "Coordinating presence detection and proximity sensing using ultrasonic signals" (California, Massachusetts Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,436,276, issued on Oct. 7, was assigned to Amazon Technologies Inc. (Seattle).

"Coordinating presence detection and proximity sensing using ultrasonic signals" was invented by Harsha Inna Kedage Rao (Campbell, Calif.), Vamshi Krishna Chillara (Quincy, Mass.), Krishna Kamath Koteshwara (Santa Clara, Calif.) and Trausti Thor Kristjansson (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for user devices to coordinate the emission of ultrasonic signals on behalf of different ultrasonic applications running on the user devices. User devices may have an ultrasonic front end that provides various ultrasonic applications, such as prese...