Folded waveguide for antenna

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United States of America Patent

PATENT NO 11757165
APP PUB NO 20220352616A1
SERIAL NO

17812867

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Abstract

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This document describes a folded waveguide for antenna. The folded waveguide may be an air waveguide and includes a hollow core that forms a rectangular opening in a longitudinal direction at one end, a closed wall at an opposite end, and a sinusoidal shape that folds back and forth about a longitudinal axis that runs in the longitudinal direction through the hollow core. The hollow core forms a plurality of radiation slots, each including a hole through one of multiple surfaces that defines the hollow core. The radiation slots are arranged on the one surface to produce a particular antenna pattern. The radiation slots and sinusoidal shape enable the folded waveguide to prevent grating lobes from appearing in the particular antenna pattern on either side of a horizontal-polarity, main beam, or to prevent X-band lobes from appearing in the particular antenna pattern on either side of a vertical-polarity, main beam.

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Patent Owner(s)

  • APTIV TECHNOLOGIES LIMITED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Shi, Shawn Thousand Oaks, US 42 507

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