Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Reexamination Certificate
2006-10-24
2006-10-24
Nguyen, Hoang V. (Department: 2821)
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
C343S702000
Reexamination Certificate
active
07126555
ABSTRACT:
A dipole antenna is provided. A radiation portion receives radio signals. A first matching portion includes a body section with one terminal connecting to the radiation portion, and a feed section connecting to another terminal of the body section. A second matching portion has one terminal connecting to the radiation portion to brace the radiation portion with the first matching portion in a cooperative manner. A ground portion connects to another terminal of the second matching portion. The radiation portion has an electric length of a half of a wavelength. The two matching portions have an electric length of a quarter of a wavelength. The radiation portion and the matching portions may be formed in an integrated manner.
REFERENCES:
patent: 5754145 (1998-05-01), Evans
patent: 6344823 (2002-02-01), Deng
patent: 6456246 (2002-09-01), Saito
patent: 6650301 (2003-11-01), Zimmerman
patent: 6864854 (2005-03-01), Dai et al.
Alemu Ephrem
Nguyen Hoang V.
Rabin & Berdo P.C.
Z-Com Inc.
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