ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,481,061, issued on Nov. 25, was assigned to GM CRUISE HOLDINGS LLC (San Francisco).

"Frequency modulated continuous wave (FMCW) waveform generator/decoder" was invented by Daniel Flores Tapia (Fairfield, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure is directed to the transmission and reception of sets of very high frequency electromagnetic (EM) signals in ways that allow a sensing apparatus to discriminate between different sets of transmitted EM signals. Here a sensing apparatus may sequentially transmit different sets of EM signals. Each of these different sets of signals may include an encoded identifier that uniquely ...