INTEGRATED WAVEGUIDE ANTENNA AND ARRAY
First Claim
Patent Images
1. An antenna comprising:
- a parallel plate waveguide having a top plate, a bottom plate, and a transmission port transmitting a planar electromagnetic wave; and
,at least one radiating element extending from the top plate of the waveguide over a coupling aperture formed in the top plate, the element comprising a sidewall forming a distal opening spaced apart from the top plate of the waveguide, and the coupling aperture coupling wave energy of the planar electromagnetic wave between the waveguide and the radiating element.
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Abstract
An antenna is provided. The antenna may include at least one open-ended structure extending from a surface of a waveguide. The open-ended structure may have a cross section of many different shapes. The walls of the structure may be movable. The antenna structure may be rotated. The antenna may incorporate a number of different wave feeds. The antenna may provide two-dimensional beam steering.
55 Citations
23 Claims
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1. An antenna comprising:
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a parallel plate waveguide having a top plate, a bottom plate, and a transmission port transmitting a planar electromagnetic wave; and
,at least one radiating element extending from the top plate of the waveguide over a coupling aperture formed in the top plate, the element comprising a sidewall forming a distal opening spaced apart from the top plate of the waveguide, and the coupling aperture coupling wave energy of the planar electromagnetic wave between the waveguide and the radiating element. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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Specification