US Patent Issued to Amazon Technologies on May 13 for "Presence detection through radio frequency emissions from an electrical circuit" (Washington, California Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,830, issued on May 13, was assigned to Amazon Technologies Inc. (Seattle).

"Presence detection through radio frequency emissions from an electrical circuit" was invented by Cameron Dean Whitehouse (Seattle), Matthew Liang Chaboud (San Francisco) and Arielle Rachel Bertman (Seattle).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described implementations utilize existing power lines at a location to detect and monitor the presence, position, and/or identity of users at the location. Rather than requiring dedicated monitors within each room or position within the location, the described implementations monitor a baseline voltage signal and/or an introd...