US Patent Issued to Waymo on July 8 for "Single antenna with dual circular polarizations and quad feeds for millimeter wave applications" (California Inventors)

ALEXANDRIA, Va., July 9 -- United States Patent no. 12,355,157, issued on July 8, was assigned to Waymo LLC (Mountain View, Calif.).

"Single antenna with dual circular polarizations and quad feeds for millimeter wave applications" was invented by Edwin Lim (Cupertino, Calif.) and Marvin Weinstein (Mountain View, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Example embodiments relate to a substrate integrated waveguide (SIW) with dual circular polarizations. An example SIW may include a dielectric substrate and a first metallic layer coupled to a top surface of the dielectric substrate with a through-hole extending through the dielectric substrate and the first metallic layer. The SIW also includes a...