Dual band linear antenna array

Details Dual band linear antenna array Dual band linear antenna array

2005-02-15

2005-02-15

Ho, Tan (Department: 2821)

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

C343S795000, C343S893000

Reexamination Certificate

active

06856298

ABSTRACT:
A dual band linear antenna array, having a set of radiator constructed by four elongate metal plates. The metal plates are arranged to form a rectangular array. By serially connecting to a signal feed terminal, the roots of the metal plates are connected to a copper tube via a coaxial cable external conductor (ground signal). One pair of the metal plates has the same length, which is about one quarter wavelength of the high-frequency electric wave received thereby and transmitted therefrom. The other pair of the metal plates has longer length at about one quarter wavelength of a low-frequency electric wave received thereby and transmitted therefrom. Thereby, an array of dual band antenna is obtained to achieve omni-directional reception and transmission of radiation.

REFERENCES:
patent: 6529172 (2003-03-01), Zimmerman
patent: 20010035844 (2001-11-01), Reece et al.
patent: 20040075615 (2004-04-01), Engargiola et al.
patent: 20040140942 (2004-07-01), Gottl

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