ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,457,133, issued on Oct. 28, was assigned to Robert Bosch GmbH (Germany).
"Ultra wide band based zone determination system" was invented by Martin Coors (Sunnyvale, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system includes one or more ultra-wideband (UWB) transmit apparatuses configured to communicate an UWB signal that encodes radio packets that includes at least a preamble and a start frame delimiter (SFD) enabling a receiver to recover a reception timestamp and a channel impulse response (CIR) of the transmission, wherein the one or more UWB transmit apparatuses are located in a fixed position and configured to divide a space into a plur...