Low profile compact multi-band meanderline loaded antenna
First Claim
Patent Images
1. An antenna comprising:
- a radiating conductive structure, further comprising;
a first current path for providing a resonant condition at a first resonant frequency;
a second current path for providing a resonant condition at a second resonant frequency, wherein the second current path comprises first and second segments in the plane of the radiating structure and a bridging segment electrically connecting the first and the second segments, the bridging segment extending out of the plane of the radiating structure along an edge of the second current path;
a common feed conductor for the first and the second current paths, wherein the feed conductor is connected to the radiating structure; and
a common ground conductor for the first and the second current paths, wherein the ground conductor is connected to the radiating structure.
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Abstract
An antenna for transmitting and receiving radio frequency energy. The antenna comprises a conductive radiator comprising a first and a second conductive region for providing a first and a second current path length. A feed conductor and a ground conductor operate as meanderline (or slow wave) elements to provide an electrical length longer than a physical length.
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Citations
22 Claims
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1. An antenna comprising:
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a radiating conductive structure, further comprising; a first current path for providing a resonant condition at a first resonant frequency; a second current path for providing a resonant condition at a second resonant frequency, wherein the second current path comprises first and second segments in the plane of the radiating structure and a bridging segment electrically connecting the first and the second segments, the bridging segment extending out of the plane of the radiating structure along an edge of the second current path; a common feed conductor for the first and the second current paths, wherein the feed conductor is connected to the radiating structure; and a common ground conductor for the first and the second current paths, wherein the ground conductor is connected to the radiating structure. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. An antenna comprising:
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a slow wave ground conductor; a slow wave feed conductor; a planar conductive radiator conductively connected to the ground conductor and the feed conductor, the radiator comprising; a high band region providing a first current path having a length to create a resonant condition at a first frequency; and a low band region providing a second current path having a length to create a resonant condition at a second frequency, the second current path comprising first and second planar conductive segments and a bridging segment conductively connecting the first and the second segments, the bridging segment extending out of a plane of the first and the second conductive segments. - View Dependent Claims (20, 21, 22)
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Specification