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US 5,363,115 AGranted
Parallel-conductor transmission line antenna
AssigneeAndrew Corporation
InventorsCharles L. Lipkin, Frederick W. Schmidt
Life of this patent
Estimating the term…
Abstract
A microwave antenna has an elongated tubular radome made of a rigid nonconductive material, and an elongated unitary core made of a rigid dielectric material and telescoped within the radome in supporting engagement with the inner surface of said radome. A pair of conductive antenna elements are affixed to the surface of the core and extend along the length thereof. A microwave transmission line is connected to the antenna elements for transmitting electromagnetic energy to and from the elements.
Claims17
A microwave antenna comprising,
- an elongated tubular radome made of a rigid nonconductive material and having an exterior surface and an interior surface;
- an elongated, vibration-damping, unitary core made of a rigid dielectric material, said unitary core having a first element-affixing surface and a second element-affixing surface generally parallel to said first element-affixing surface, said unitary core further including a first supporting surface and a second supporting surface generally opposed to said first supporting surface, said unitary core being inserted within said radome and said first supporting surface of said unitary core shaped to form a first contacting yet unattached engagement between said first supporting surface and said inner surface of said radome and said second supporting surface shaped to form a second contacting yet unattached engagement between said second supporting surface and said inner surface of said radome without said inner surface of said radome contacting said first and second element-affixing surfaces, said first and second contacting yet unattached engagements between said core and said radome allowing said core to move relative to said radome after said core being inserted within said radome;
- a plurality of conductive antenna elements affixed to said first and second element-affixing surfaces of said core and extending along a length thereof;
- and
- a microwave transmission line connected to said conductive antenna elements for transmitting electromagnetic energy to and from said elements.
2 more elements
A microwave antenna comprising,
- an elongated tubular radome made of a rigid nonconductive material and having an exterior surface and an interior surface;
- a diametral septum in said radome, said septum being made of a rigid dielectric material, said diametral septum having a first element-affixing surface along the length of said septum and a second element-affixing surface generally parallel to said first element-affixing surface along the length of said septum, said diametral septum further including a first supporting surface along the length of said septum and adjacent to said first and second element-affixing surfaces and a second supporting surface generally opposed to said first supporting surface along the length of said septum and adjacent to said first and second element-affixing surfaces, said diametral septum being inserted within said radome and said first supporting surface of said diametral septum shaped to form a first contacting yet unattached engagement between said first supporting surface and said inner surface of said radome and said second supporting surface shaped to form a contacting yet unattached engagement between said second supporting surface and said inner surface of said radome without said inner surface of said radome contacting said first and second element-affixing surfaces, said first and second contacting yet unattached engagements between said septum and said radome allowing said septum to move relative to said radome after said septum being inserted within said radome;
- a first elongated conductive antenna element affixed to said first element-affixing surface of said septum and a second elongated conductive antenna element affixed to said second element-affixing surface of said septum, said first and second conductive antenna elements extending along a length of said septum;
- a microwave transmission line connected to said conductive antenna elements for transmitting electromagnetic energy to and from said elements;
- and
- dielectric spacers spaced along a length of said first and second element-affixing surfaces extending between said radome and said septum to damp vibrations of said septum.
3 more elements
Dependencies are inferred from the claim text.