Communications: radio wave antennas – Antennas – With radio cabinet
Reexamination Certificate
2007-08-03
2008-10-28
Owens, Douglas W. (Department: 2821)
Communications: radio wave antennas
Antennas
With radio cabinet
C343S702000, C343S70000R
Reexamination Certificate
active
07443352
ABSTRACT:
The present invention discloses a multi-band antenna, the multi-band antenna has an antenna base, a power feed portion and a grounding point. The antenna base includes a first rectangular portion, a second rectangular portion and a third rectangular portion. A first connection portion connects the first rectangular portion with the second rectangular portion, a second connection portion connects the first extending portion with the second extending portion. The power feed portion is arranged below the antenna base, and the power feed portion connects to the first rectangular portion and the second rectangular portion. The grounding point is arranged below the first rectangular portion and near the power feed portion. The first and second connection portions control the size of the electric current through the antenna base. By the above-mention unique design, the multi-band antenna can receive and transmit the signals of the different frequency bands and has a smaller volume.
REFERENCES:
patent: 2004/0090377 (2004-05-01), Dai et al.
patent: 2004/0227665 (2004-11-01), Tai et al.
patent: 2006/0050007 (2006-03-01), Min
Lin Ching-Chi
Shih Kai
Su Jia-Hung
Wu Yu-Yuan
Cheng Uei Precision Industry Co. Ltd.
Duong Dieu Hien T
King Anthony
Owens Douglas W.
WPAT, P.C.
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