Wideband low profile spiral-shaped transmission line antenna

Details Wideband low profile spiral-shaped transmission line antenna Wideband low profile spiral-shaped transmission line antenna

2005-01-11

2005-01-11

Phan, Tho (Department: 2821)

Communications: radio wave antennas

Antennas

Spiral or helical type

C343S7000MS

Reexamination Certificate

active

06842158

ABSTRACT:
An antenna incorporating slow wave structures. The antenna comprises at least two conductive serpentine structures disposed on a dielectric substrate and further comprising an oppositely disposed conductive top plate electrically connected to the conductive serpentine structures and farther electromagnetically connected thereto. In one embodiment the antenna further comprises a ground plane below the dielectric substrate.

REFERENCES:
patent: 3838429 (1974-09-01), Reggia
patent: 3925784 (1975-12-01), Phelan
patent: 4495503 (1985-01-01), Morman
patent: 4598276 (1986-07-01), Tait
patent: 5313216 (1994-05-01), Wang et al.
patent: 5608417 (1997-03-01), de Vall
patent: 5790080 (1998-08-01), Apostolos
patent: 6064351 (2000-05-01), Mandai et al.
patent: 6137453 (2000-10-01), Wang et al.
patent: 6166694 (2000-12-01), Ying
patent: 6353420 (2002-03-01), Chung
patent: 6476769 (2002-11-01), Lehtola

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