Planar antenna

Details Planar antenna Planar antenna

1987-02-17

1989-07-25

Hille, Rolf

Communications: radio wave antennas

Antennas

Microstrip

343873, 343846, H01Q 138

Patent

active

048518557

ABSTRACT:
A planar antenna comprises a ground conductor plate, a power supply circuit and a radiation circuit. Each of those circuits is coated on both sides with synthetic resin layers. The circuits are separated from each other by a first air space. The power supply circuit and ground conductor plate are separated from each other by a second air space. Air present in the space operates as a low loss dielectric to achieve a high gain.

REFERENCES:
patent: 3475107 (1969-10-01), Auxier
patent: 3747114 (1973-07-01), Shyhalla
patent: 3778717 (1973-12-01), Okoshi et al.
patent: 4477813 (1984-10-01), Wise
patent: 4614947 (1986-09-01), Rammos
patent: 4623893 (1986-11-01), Sabban
patent: 4633262 (1986-12-01), Traut
patent: 4724443 (1988-02-01), Nysen
patent: 4761654 (1988-08-01), Zaghloul

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