Directional center-fed wave dipole antenna

Details Directional center-fed wave dipole antenna Directional center-fed wave dipole antenna

1997-03-06

1999-02-02

Le, Hoanganh

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343700MS, 343822, H01Q 928, H01Q 138

Patent

active

058671307

ABSTRACT:
A directional center-fed half wave dipole antenna is constructed from a multilayer substrate (100) having dipole antenna elements (112, 142) disposed on opposite surfaces (113, 141) of the multilayer substrate (100). An energy reflector (160) is disposed on at least one side of the substrate (100) and positioned adjacent to the dipole antenna elements (112, 142). The dipole antenna elements (112, 142) are fed by a center feed member (122). Center feed member (122) has a tapered width so as to provide the necessary impedance matching. A ground plane is disposed within the multilayer substrate, the elements of which (114, 134) are positioned on both sides of the center feed element (122).

REFERENCES:
patent: 4298878 (1981-11-01), Dupressoir et al.
patent: 4401988 (1983-08-01), Kaloi
patent: 4783666 (1988-11-01), Ast et al.
patent: 5262791 (1993-11-01), Tsuda et al.
patent: 5450090 (1995-09-01), Gels et al.
patent: 5497164 (1996-03-01), Croq
patent: 5561435 (1996-10-01), Nalbandian et al.
patent: 5708446 (1998-01-01), Laramie

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