DUAL BAND SLOT ARRAY ANTENNA ABOVE GROUND PLANE
First Claim
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1. A directional multiple frequency antenna, comprising:
- a ground plane;
a radiating array substrate arranged over the ground plane having a top side facing away from the ground plane and a bottom side facing toward the ground plane;
a plurality of first elongated slots contained in the top side of the radiating array;
a plurality of second elongated slots contained in the top side of the radiating array;
an impedance matching and diplexing network contained on the bottom side of the radiating array and connected to the plurality of first elongated slots and the plurality of second elongated slots; and
a power feed connected to the impedance matching and diplexing network.
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Abstract
A multiple frequency directional antenna is provided. The antenna includes a radiating array aligned over a ground plane. The radiating array has at least two first elongated slots and two second elongated slots. The slots have different lengths to provide different operating frequencies. On the radiating array opposite the slots is a microstrip impedance matching and diplexing feed network. Radio frequency power is supplied to the antenna via the feed network.
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Citations
20 Claims
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1. A directional multiple frequency antenna, comprising:
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a ground plane; a radiating array substrate arranged over the ground plane having a top side facing away from the ground plane and a bottom side facing toward the ground plane; a plurality of first elongated slots contained in the top side of the radiating array; a plurality of second elongated slots contained in the top side of the radiating array; an impedance matching and diplexing network contained on the bottom side of the radiating array and connected to the plurality of first elongated slots and the plurality of second elongated slots; and a power feed connected to the impedance matching and diplexing network. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 19)
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11. A directional multiple frequency antenna, comprising:
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a ground plane; a radiating array substrate arranged over the ground plane having a top side facing away from the ground plane and a bottom side facing toward the ground plane; means for causing the radiating array substrate to radiate at multiple frequencies; an impedance matching and diplexing network contained on the bottom side of the radiating array and connected to the plurality of first elongated slots and the plurality of second elongated slots; and a power feed connected to the impedance matching and diplexing network - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 20)
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Specification