Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Reexamination Certificate
2008-05-26
2010-06-08
Nguyen, Hoang V (Department: 2821)
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
C343S793000, C343S7000MS
Reexamination Certificate
active
07733286
ABSTRACT:
In a broadband printed dipole antenna for wireless applications, metal plates of a radiation portion, a feed-in portion and a bandwidth modulation portion are formed on a substrate. Two radiation portions come with a specific shape and have an interval between the two radiation portions. The feed-in portion is composed of two separated long bars and coupled to one of the specific shaped radiation portions. The bandwidth modulation portion is disposed symmetrically adjacent to the feed-in portion, such that the impedance matching can be adjusted to form a broadband dipole antenna for WiMAX applications.
REFERENCES:
patent: 4814783 (1989-03-01), Shelton et al.
patent: 7289065 (2007-10-01), Prieto-Burgos et al.
patent: 7355559 (2008-04-01), Tikhov et al.
patent: 7429953 (2008-09-01), Buris et al.
Chen Wen-Shan
Yu Yen-Hao
Nguyen Hoang V
Rosenberg , Klein & Lee
Southern Taiwan University
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