ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,403,729, issued on Sept. 2, was assigned to Continental Automotive Technologies GmbH (Hannover, Germany).
"Antenna structure and wheel structure with a TPMS system" was invented by Razvan Bejinaru (Timisoara, Romania).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wheel unit antenna for use in a TPMS and corresponding wheel structure, in which the antenna is sized and oriented such that complete wheel structure including tire will act as a waveguide. The antenna may be non-resonant, in the form of a monopole perpendicular to a ground plane. In addition, the antenna has a length substantially shorter than a quarter wavelength, for example Lambda/10 or l...