Antenna apparatus and method
First Claim
Patent Images
1. An antenna comprising:
- at least two antenna elements arranged in a recess of a ground conductor,a wall of the recess being arranged so that the recess tapers outward from a narrow base inside the recess to a broader mouth to provide an open inverted frustum,the wall being configured to provide a ground plane for the at least two antenna elements, andthe at least two antenna elements each comprise a conductive plate arranged perpendicular to the mouth of the recess and to the wall to provide slots between the wall of the recess and the edges of each of the at least two antenna elements.
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Abstract
An antenna comprises at least one antenna element arranged in a recess of a ground conductor. A wall of the recess is arranged so that the recess tapers outward from a narrow base inside the recess to a broader mouth. The wall is configured to provide a ground plane for the at least one antenna element. The at least one antenna element comprises a conductive plate arranged perpendicular to the mouth of the recess and to the wall and arranged to provide a slot between the edge of the at least one antenna element and the wall of the recess.
13 Citations
16 Claims
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1. An antenna comprising:
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at least two antenna elements arranged in a recess of a ground conductor, a wall of the recess being arranged so that the recess tapers outward from a narrow base inside the recess to a broader mouth to provide an open inverted frustum, the wall being configured to provide a ground plane for the at least two antenna elements, and the at least two antenna elements each comprise a conductive plate arranged perpendicular to the mouth of the recess and to the wall to provide slots between the wall of the recess and the edges of each of the at least two antenna elements. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification