Slot and multi-inverted-F coupling wideband antenna and...

Details Slot and multi-inverted-F coupling wideband antenna and... Slot and multi-inverted-F coupling wideband antenna and...

2006-01-25

2008-10-21

Le, HoangAnh T (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S702000

Reexamination Certificate

active

07439911

ABSTRACT:
A slot and multi-inverted-F coupling wideband antenna and an electronic device using the aforementioned wideband antenna are disclosed. The antenna includes at least a ground portion, a first radiation portion, a second radiation portion, a third radiation portion, a fine tuning metal portion, and a transmission cable. The first radiation portion is electrically coupled to the ground portion. The fine tuning metal portion is electrically coupled to the first radiation portion. The second radiation portion is electrically coupled to the fine tuning metal portion and forms a first inverted-F antenna with the first radiation portion. The third radiation portion is electrically coupled to the fine tuning metal portion and forms a second inverted-F antenna with the first radiation portion. The transmission cable is electrically coupled to one of the first radiation portion and the fine tuning metal portion.

REFERENCES:
patent: 6812892 (2004-11-01), Tai et al.
patent: 7050010 (2006-05-01), Wang et al.
patent: 7119747 (2006-10-01), Lin et al.
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patent: 7212161 (2007-05-01), Chen et al.
patent: 7218282 (2007-05-01), Humpfer et al.
patent: 2005/0190110 (2005-09-01), Taromaru et al.
patent: 2006/0181464 (2006-08-01), Erkocevic

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