ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,392,881, issued on Aug. 19, was assigned to SAMSUNG ELECTRONICS Co. Ltd. (Yongin-si, South Korea).
"System and method for detecting proximity of users" was invented by Anders Sven Mattsson (San Diego), Gennady Feygin (San Diego) and Pranav Dayal (San Diego).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for detecting proximity of a user within a particular distance of a radio device is disclosed. The method includes transmitting a signal via a transmitter and antenna of the radio device, receiving a received signal via a receiver and the antenna, processing the received signal for distinguishing a signal reflected from the user from a...