Dual band antenna device, wireless communication device and...

Details Dual band antenna device, wireless communication device and... Dual band antenna device, wireless communication device and...

2008-04-22

2008-04-22

Le, Hoanganh (Department: 2821)

Communications: radio wave antennas

Antennas

Spiral or helical type

C343S702000

Reexamination Certificate

active

11236199

ABSTRACT:
A dual band antenna device operable in a first frequency band and a second frequency band is disclosed. The device comprises a first radiation body and a second radiation body. The first radiation body forms a single path with at least two bend portions. A portion of the second radiation body is parallel to a portion of the first radiation body in a specific distance. In addition, a wireless communication device and radio frequency chip having a built in dual band antenna device are also disclosed.

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