Multiband radially distributed phased array antenna with a sloping ground plane and associated methods
First Claim
Patent Images
1. A multiband phased array antenna comprising:
- a substrate;
a plurality of dipole element arrays extending outwardly from an imaginary center point on said substrate;
each dipole element array comprising a plurality of dipole antenna elements arranged in end-to-end relation and having a dipole size different than a dipole size of dipole antenna elements of at least one other dipole element array; and
a ground plane adjacent said plurality of dipole element arrays and having a different spacing therefrom in an outward direction from the imaginary center point.
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Abstract
A multiband phased array antenna includes a substrate, and dipole element arrays extending outwardly from an imaginary center point on the substrate. Each dipole element array includes dipole antenna elements arranged in an end-to-end relation and having a dipole size different than a dipole size of dipole antenna elements of at least one other dipole element array. A ground plane is adjacent the dipole element arrays and has a different spacing therefrom in an outward direction from the imaginary center point. The different spacing between the ground plane and the dipole element arrays increases from the imaginary center point towards an edge of the substrate.
24 Citations
38 Claims
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1. A multiband phased array antenna comprising:
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a substrate;
a plurality of dipole element arrays extending outwardly from an imaginary center point on said substrate;
each dipole element array comprising a plurality of dipole antenna elements arranged in end-to-end relation and having a dipole size different than a dipole size of dipole antenna elements of at least one other dipole element array; and
a ground plane adjacent said plurality of dipole element arrays and having a different spacing therefrom in an outward direction from the imaginary center point. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A multiband phased array antenna comprising:
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a substrate having a first surface, and a second surface adjacent thereto and defining an edge therebetween;
at least one first dipole element array on the first surface and extending outwardly from an imaginary center point on said substrate;
at least one second dipole element array on the first and second surfaces and extending outwardly from the imaginary center point;
said at least one first and second dipole element arrays each comprising a plurality of dipole antenna elements arranged in end-to-end relation and having a dipole size different than a dipole size of dipole antenna elements of at least one other dipole element array; and
a ground plane adjacent said at least one first and second dipole element arrays and having a different spacing therefrom in an outward direction from the imaginary center point. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. A method for making a multiband phased array antenna comprising:
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providing a substrate;
forming a plurality of dipole element arrays extending outwardly from an imaginary center point on the substrate, each dipole element array comprising a plurality of dipole antenna elements arranged in end-to-end relation and having a dipole size different than a dipole size of dipole antenna elements of at least one other dipole element array; and
forming a ground plane adjacent the plurality of dipole element arrays, the ground plane having a different spacing from the plurality of dipole element arrays in an outward direction from the imaginary center point. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38)
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Specification