ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,857, issued on Feb. 10, was assigned to Cambridge Sensoriis Ltd (Cambridge, Great Britain).
"Radar" was invented by Michael Peter Hall (Cambridge, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "An FMCW radar system in which the patterns of chirp pairs for master and slave radar devices are selected such that when one of the chirps in a chirp pair (A, B) from the master coincides in time with one of the chirps in a chirp pair (C, D) from the slave, the other chirps in those pairs do not coincide in time. This allows for background subtraction and for the slave to self-synchronise to the master by detecting an in-band tone in the differe...