Multiband antenna

Details Multiband antenna Multiband antenna

2011-08-02

2011-08-02

Nguyen, Hoang V (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S702000, C343S846000

Reexamination Certificate

active

07990321

ABSTRACT:
A multiband antenna is located on a substrate and comprises a first radiator, a second radiator, a feeding portion, a grounding portion and a third radiation. The first radiator transmits at least two frequency band signals. The second radiator is connected to the first radiator, and is arranged so as to surround the first radiator. The feeding portion feeds electromagnetic signals to the first radiator and the second radiator. The third radiator is located between the grounding portion and the second radiator, and electrically connected to the grounding portion.

REFERENCES:
patent: 6552686 (2003-04-01), Ollikainen et al.
patent: 7602341 (2009-10-01), Wei-Shan et al.
patent: 2007/0279289 (2007-12-01), Baliarda et al.

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