ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,380, issued on May 13, was assigned to Amazon Technologies Inc. (Seattle).
"Reduced radar sensor power consumption" was invented by James Steven Skeoch (Palos Verdes Estates, Calif.) and Michael Kalajian (Calabasas, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device includes a processor, a radar sensor with a transmitter, a first receiver, and a second receiver. The device operates the sensor in a first operational mode that utilizes the transmitter and the first receiver, but not the second receiver. The device detects, using the sensor in the first operational mode, possible motion of an object within a threshold distance from the sens...