Coplanar coupled-fed multiband antenna for the mobile device

Details Coplanar coupled-fed multiband antenna for the mobile device Coplanar coupled-fed multiband antenna for the mobile device

2011-04-26

2011-04-26

Owens, Douglas W (Department: 2821)

Communications: radio wave antennas

Antennas

With radio cabinet

C343S7000MS

Reexamination Certificate

active

07932865

ABSTRACT:
The present invention is related to a coplanar coupled-fed multiband antenna for the mobile communication device. The antenna mainly comprises a dielectric substrate, a ground plane located on one surface of the dielectric substrate, and a radiating portion, a shorting metal portion, and a feeding portion, which are all on the same surface of the dielectric substrate near one edge of the ground plane. One end of the shorting metal portion is connected to the radiating portion, and the other end is connected to the ground plane. The feeding portion comprises a first feeding metal portion and a second feeding metal portion. The first feeding metal portion has a feeding point for the antenna. One end of the second feeding metal portion is connected to the radiating portion, and there is a gap between the second feeding metal portion and the first feeding metal portion.

REFERENCES:
patent: 2003/0117325 (2003-06-01), Jo et al.
patent: 2008/0106478 (2008-05-01), Hill
patent: 490884 (2002-06-01), None

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