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US 8,542,150 B2Granted
Planar broadband antenna
AssigneeSiemens Aktiengesellschaft
InventorGerhard Rötter
Life of this patent
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Abstract
A planar antenna comprising a planarly configured inner radiation element that is surrounded by an outer radiation element, wherein the inner and outer radiation elements each have a feed point. A continuous or discontinuous modification of the distance, which is equal in relation to a symmetrical axis of the inner radiation element, exists between the inner radiation element and the outer radiation element. The distance between the outer and the inner radiation element is different in the area of the two feed points from that in the area facing away from the feed points.
Claims10
A planar antenna, comprising:
- an inner antenna element configured as an isosceles triangle;
- and
- an outer antenna element surrounding the inner antenna element, the inner antenna element and the outer antenna element each having a feed point;
- wherein a continuous or discontinuous change is provided in a distance between the inner antenna element and the outer antenna element, the continuous or discontinuous change being identical with respect to an axis of symmetry of the inner antenna element;
- wherein the distance between the outer antenna element and the inner antenna element in a region of the feed points of the inner and outer antenna elements being different than in a region remote from the feed points of the inner and outer antenna elements;
- and
- wherein each feed point of the inner and outer antenna elements is arranged in a vicinity of the axis of symmetry of the inner antenna element.
4 more elements
Dependencies are inferred from the claim text.