Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Reexamination Certificate
2006-12-28
2009-08-11
Wimer, Michael C (Department: 2821)
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
C343S727000, C343S829000
Reexamination Certificate
active
07573433
ABSTRACT:
A dual-band antenna (10) is disposed on a substrate (200). The substrate includes a first surface (210) and a second surface (220). The dual antenna includes a feeding portion (110), a first radiation portion (120), a second radiation portion (130), a first grounded portion (140) , a second grounded portion (150), and a connecting portion (160). The feeding portion is disposed on the first surface, for feeding electromagnetic signals. The first radiation portion, disposed on the first surface, is electronically connected to the feeding portion. The second radiation portion, disposed on the second surface, is electronically connected to the feeding portion. The first grounded portion is disposed on one side of the feeding portion. The second grounded portion is disposed on the other side of the feeding portion. The connecting portion is for electronically connecting the first radiation portion, the second radiation portion, and the feeding portion.
REFERENCES:
patent: 5426439 (1995-06-01), Grossman
patent: 6496148 (2002-12-01), Ngounou Kouam et al.
patent: 527749 (2003-04-01), None
patent: M253918 (2004-12-01), None
Chung Wei Te
Hon Hai Precision Industry Co. Ltd.
Hong Fu Jin Precision Industry ( ShenZhen) Co., Ltd.
Wimer Michael C
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