Multiband antenna and multiband antenna system
AssigneeSanyo Electric Co., Ltd.
InventorsZheng He Feng, Peng Sun
Life of this patent
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Abstract
A multiband antenna includes an antenna portion having a front surface and a back surface and a ground plane located adjacent to the antenna portion. The multiband antenna includes a front surface side element arranged on the front surface side and connected to a feeding point. The back surface side element arranged on the back surface side and connected to the ground plane.
Claims6
A multiband antenna provided with an antenna portion having a front surface and a back surface, and a ground plane located adjacent to the antenna portion, comprising:
- a front surface side element arranged on the front surface side, which is connected to a feeding point;
- and
- a back surface side element arranged on the back surface side, which is connected to the ground plane, wherein
- the front surface side element and the back surface side element share the feeding point.
A multiband antenna provided with an antenna portion having a front surface and a back surface, and a ground plane located adjacent to the antenna portion, comprising:
- a front surface side element arranged on the front surface side, which is connected to a feeding point;
- and
- a back surface side element arranged on the back surface side, which is connected to the ground plane, wherein
- the front surface side element is formed of a plurality of elements sharing a common portion connected to the feeding point,
- the back surface side element has a portion provided along the common portion, and has a shape bent in a vicinity of a branching portion where the plurality of elements are branched off from the common portion.
A multiband antenna provided with an antenna portion having a front surface and a back surface, and a ground plane located adjacent to the antenna portion, comprising:
- a front surface side element arranged on the front surface side, which is connected to a feeding point;
- and
- a back surface side element arranged on the back surface side, which is connected to the wound plane, wherein
- the front surface side element is formed of a plurality of elements sharing a common portion connected to the feeding point, and
- the multiband antenna further comprises a short stub branched off from the common portion and connected to the ground plane.
Dependencies are inferred from the claim text.