Omnidirectional antenna formed one or two antenna elements symme

Details Omnidirectional antenna formed one or two antenna elements symme Omnidirectional antenna formed one or two antenna elements symme

1997-03-18

1999-04-27

Le, Hoanganh

Communications: radio wave antennas

Antennas

Microstrip

343872, 343846, H01Q 138

Patent

active

058984054

ABSTRACT:
On respective ground conductor plate surfaces, first and second dielectric substrates are formed. First and second antenna elements made of a conductor film of a rectangular cooper leaf or the like are formed on opposite surfaces of the first and second dielectric substrates to the ground conductor plate. The first and second antenna elements-are fed by, for example, a coplanar waveguide feed line, slot feed or the like. Thus, an omnidirectional antenna is realized having simple construction, reducing a size and production cost.

REFERENCES:
patent: 4072952 (1978-02-01), Demko
patent: 4197544 (1980-04-01), Kaloi
patent: 4527163 (1985-07-01), Stanton
patent: 4816836 (1989-03-01), Lalezari
patent: 4899164 (1990-02-01), McGrath
patent: 4922259 (1990-05-01), Hall et al.
patent: 4980692 (1990-12-01), Rudish et al.

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