Antenna apparatus and antenna system

Details Antenna apparatus and antenna system Antenna apparatus and antenna system

1995-09-25

1997-01-07

Hajec, Donald T.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343767, 343768, 343795, 343872, H01Q 1320

Patent

active

055921850

ABSTRACT:
An antenna apparatus comprises a dielectric substrate, an earth conductor mounted on one surface of the substrate and forming a microstrip transmission line, an upper conductor mounted on the other surface of the substrate and forming a microstrip transmission line, an antenna element formed integrally with the microstrip transmission lines, and a delayed wave opening situated in the earth conductor in confronting relationship with the upper conductor.

REFERENCES:
patent: 2960694 (1960-11-01), Serniuk
patent: 2983919 (1961-05-01), Siukola
patent: 3175218 (1965-03-01), Goebels
patent: 3239838 (1966-03-01), Kelleher
patent: 3268898 (1966-08-01), Colony
patent: 3305871 (1967-02-01), Kruger
patent: 4573056 (1986-02-01), Dudome et al.
patent: 4746925 (1988-05-01), Toriyama
patent: 4825220 (1989-04-01), Edward et al.
patent: 4914448 (1990-04-01), Otsuka et al.
patent: 5166693 (1992-11-01), Nishikawa et al.
patent: 5245349 (1993-09-01), Harada
"P. Volta" Microwave Journal vol. 25, No. 12, p. 111 `Design and Development of an Omnidirdectional Antenna w/a Collinear Array . . . ` Dec. 1982.

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