Broadband dual polarization omni-directional antenna and associated methods
First Claim
Patent Images
1. An antenna comprising:
- a conductive antenna body having first and second opposing ends with an enlarged width medial portion therebetween, a slot extending from at least adjacent the first end, through the medial portion, and to at least adjacent the second end, and first antenna feed points adjacent the slot for a first polarization;
a conductive antenna member adjacent the second end of said conductive antenna body and having a planar shape and a second antenna feed point for a second polarization, with the planar shape of said conductive antenna member being normal to an axis extending through the first and second opposing ends of said conductive antenna body;
said conductive antenna body comprising first and second conical antenna elements coupled together at the enlarged width medial portion;
a first coaxial cable extending through the slot from the first end of said first conical antenna element, and having inner and outer conductors coupled to respective ones of said first antenna feed points;
a second coaxial cable extending through said first and second conical antenna elements, and having an inner conductor coupled to said conductive antenna member and an outer conductor coupled to said second conical antenna element; and
said conductive antenna body and said conductive antenna member configured to provide omni-directional coverage.
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Abstract
An antenna includes a conductive antenna body having first and second opposing ends with an enlarged width medial portion therebetween. A slot extends from at least adjacent the first end to at least adjacent the second end, and first antenna feed points are adjacent the slot for a first polarization. A conductive antenna member is adjacent the second end of the conductive antenna body and has a planar shape and a second antenna feed point for a second polarization.
25 Citations
21 Claims
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1. An antenna comprising:
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a conductive antenna body having first and second opposing ends with an enlarged width medial portion therebetween, a slot extending from at least adjacent the first end, through the medial portion, and to at least adjacent the second end, and first antenna feed points adjacent the slot for a first polarization; a conductive antenna member adjacent the second end of said conductive antenna body and having a planar shape and a second antenna feed point for a second polarization, with the planar shape of said conductive antenna member being normal to an axis extending through the first and second opposing ends of said conductive antenna body; said conductive antenna body comprising first and second conical antenna elements coupled together at the enlarged width medial portion; a first coaxial cable extending through the slot from the first end of said first conical antenna element, and having inner and outer conductors coupled to respective ones of said first antenna feed points; a second coaxial cable extending through said first and second conical antenna elements, and having an inner conductor coupled to said conductive antenna member and an outer conductor coupled to said second conical antenna element; and said conductive antenna body and said conductive antenna member configured to provide omni-directional coverage. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An antenna comprising:
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a conductive antenna body comprising first and second conical antenna elements arranged to define first and second opposing ends with an enlarged width medial portion therebetween, a slot extending from at least adjacent the first end, through the medial portion, and to at least adjacent the second end, and first antenna feed points adjacent the slot for a first polarization; a conductive antenna disk adjacent the second end of said conductive antenna body and having a second antenna feed point for a second polarization orthogonal to said first polarization, with a planar shape of said conductive antenna disk being normal to an axis extending through the first and second opposing ends of said conductive antenna body; said conductive antenna body comprising first and second conical antenna elements coupled together at the enlarged width medial portion; a first coaxial cable extending through the slot from the first end of said first conical antenna element, and having inner and outer conductors coupled to respective ones of said first antenna feed points; a second coaxial cable extending through said first and second conical antenna elements and having an inner conductor coupled to said conductive antenna disk and an outer conductor coupled to said second conical antenna element; and said conductive antenna body and said conductive antenna member configured to provide omni-directional coverage. - View Dependent Claims (12, 13, 14)
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15. A method for making an antenna comprising:
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forming a conductive antenna body having first and second opposing ends with an enlarged width medial portion therebetween, a slot extending from at least adjacent the first end, through the medial portion, and to at least adjacent the second end, and first antenna feed points adjacent the slot for a first polarization; positioning a conductive antenna member adjacent the second end of the conductive antenna body and having a planar shape and a second antenna feed point for a second polarization, with the planar shape of said conductive antenna disk being normal to an axis extending through the first and second opposing ends of said conductive antenna body; the conductive antenna body comprising first and second conical antenna elements coupled together at the enlarged width medial portion; extending a first coaxial cable through the slot from the first end of the first conical antenna element, and having inner and outer conductors coupled to respective ones of the first antenna feed points; extending a second coaxial cable extending through the first and second conical antenna elements, and having an inner conductor coupled to the conductive antenna member and an outer conductor coupled to the second conical antenna element; and the conductive antenna body and the conductive antenna member configured to provide omni-directional coverage. - View Dependent Claims (16, 17, 18, 19, 20, 21)
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Specification