Communications: radio wave antennas – Antennas – With radio cabinet
Reexamination Certificate
2006-02-07
2006-02-07
Nguyen, Hoang V. (Department: 2821)
Communications: radio wave antennas
Antennas
With radio cabinet
C343S7000MS
Reexamination Certificate
active
06995720
ABSTRACT:
In a dual-band antenna, an insulating base is formed on a support board having a ground conductor. A first radiation conductor plate for a low band has first and second divided conductor plates for covering an opening end of the insulating base. A feed conductor plate and a first short-circuiting conductor plate are continuously formed with the first divided conductor plates. A second short-circuiting conductor plate is continuously formed with the second divided conductor plate. A second radiation conductor plate for a high band is connected with the feed conductor plate. The feed conductor plate and the second short-circuiting conductor plate are electromagnetically coupled. The second divided conductor plate has a bending flap, and the bending flap is engaged with the insulating base. The bending flap has a cutout or cutaway portion for finely adjusting the resonant frequency.
REFERENCES:
patent: 6195048 (2001-02-01), Chiba et al.
patent: 2003/0122718 (2003-07-01), Fang et al.
patent: 10-93332 (1998-04-01), None
patent: 2002-158529 (2002-05-01), None
Alps Electric Co. ,Ltd.
Brinks Hofer Gilson & Lione
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