INTEGRATED WAVEGUIDE ANTENNA ARRAY
First Claim
Patent Images
1. An antenna comprising:
- a waveguide cavity having a top surface, a bottom surface, and a sidewall, the top surface having a plurality of holes provided thereupon;
a plurality of radiating elements, each element comprising a tubular conductor extending from the top surface and positioned about one of the plurality of holes; and
a planar wave radiation source coupling planar radiation energy through an opening in the sidewall.
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Abstract
An antenna array is provided having a waveguide cavity. The waveguide cavity has a plurality of holes formed on the top surface thereof. Radiating elements are provided on the top surface, each about one of the holes. A radiation source coupled planar wave radiation through an opening in one of the sides of the waveguide cavity.
33 Citations
20 Claims
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1. An antenna comprising:
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a waveguide cavity having a top surface, a bottom surface, and a sidewall, the top surface having a plurality of holes provided thereupon;
a plurality of radiating elements, each element comprising a tubular conductor extending from the top surface and positioned about one of the plurality of holes; and
a planar wave radiation source coupling planar radiation energy through an opening in the sidewall. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A two-dimensional antenna array, comprising:
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a square waveguide cavity having a square top surface, a square bottom surface, and a sidewall bounding at least two sides of the waveguide, the top surface having a plurality of holes provided thereupon, the holes arranged in equal number of rows and columns;
a plurality of radiating elements, each element comprising a tubular conductor extending from the top surface and positioned about one of the plurality of holes; and
a planar wave radiation source coupling planar radiation energy through one side of the waveguide. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification