Combination linearly polarized and quadrifilar antenna sharing a common ground plane
First Claim
Patent Images
1. A combination linearly polarized antenna and quadrifilar helix antenna, comprising:
- a flexible substrate;
a quadrifilar antenna with a feed network etched on a first portion of the flexible substrate;
an antenna with linear polarization etched on a second portion of the flexible substrate; and
a ground plane for the quadrifilar antenna and the antenna with linear polarization etched on the flexible substrate.
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Abstract
A combination linearly polarized antenna and quadrifilar helix antenna (30) comprises a flexible substrate (50), a quadrifilar antenna (33) with a feed network (34) etched on a first portion of the flexible substrate, an antenna with linear polarization (35) etched on a second portion of the flexible substrate and a ground plane (36) for both the quadrifilar antenna and the antenna with linear polarization etched on the flexible substrate.
40 Citations
22 Claims
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1. A combination linearly polarized antenna and quadrifilar helix antenna, comprising:
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a flexible substrate;
a quadrifilar antenna with a feed network etched on a first portion of the flexible substrate;
an antenna with linear polarization etched on a second portion of the flexible substrate; and
a ground plane for the quadrifilar antenna and the antenna with linear polarization etched on the flexible substrate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A combination monopole and quadrifilar helix antenna, comprising:
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a quadrifilar antenna having a feed network;
a monopole antenna arranged below the quadrifilar antenna, wherein the monopole and the feed network share a common ground plane and wherein the monopole is at least partially below the common ground plane. - View Dependent Claims (12, 13, 14, 15, 16)
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17. A method of manufacturing a combination monopole and quadrifilar antenna, comprising the steps of:
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forming a quadrifilar antenna pattern with a feed network on at least a first plane of a flexible substrate;
forming a monopole antenna pattern on at least the first plane of the flexible substrate; and
forming a ground plane pattern on at least a substantial portion of a second plane of the flexible substrate. - View Dependent Claims (18, 19, 20, 21, 22)
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Specification