ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,428, issued on April 15, was assigned to Waymo LLC (Mountain View, Calif.).
"Low elevation sidelobe antenna with fan-shaped beam" was invented by Edwin Lim (Cupertino, Calif.), Timothy Campbell (Venice, Calif.) and Matthew Markel (Mountain View, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Example embodiments relate to low elevation side lobe antennas with fan-shaped beams. An example radar unit may include a radiating plate having a first side and a second side with an illuminator, a waveguide horn, a waveguide opening, and a radiating sleeve extending into the first side of the radiating plate. The waveguide opening is positioned on the fi...