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US 12,403,729 B2Granted
Antenna structure and wheel structure with a TPMS system
AssigneeContinental Automotive Technologies GmbH
InventorRazvan Bejinaru
Life of this patent
Estimating the term…
Abstract
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 λ/10 or less.
Claims5
A wheel unit antenna comprising:
- a printed circuit board constituting a ground plane of the wheel unit antenna;
- a non-resonant antenna disposed above the ground plane defined by the printed circuit board;
- and
- a capacitively loaded top metallization plane disposed above the non-resonant antenna.
1 more element
Dependencies are inferred from the claim text.