ALEXANDRIA, Va., April 9 -- United States Patent no. 12,273,134, issued on April 8, was assigned to ViaSat Inc. (Carlsbad, Calif.).
"Differential detection of spread spectrum wakeup codes" was invented by James Startup (Carlsbad, Calif.) and Jeremy Pruitt (Carlsbad, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, systems, and devices for a wakeup receiver operation is described. The apparatus may include a splitter that splits a received signal into a first component signal and a second component signal. The signal may include a code sequence, where each symbol of a plurality of symbols of the code sequences includes one of a set of sub-sequences. The apparatus may delay the first component si...