Planar antenna

Details Planar antenna Planar antenna

1988-12-09

1990-12-11

Wimer, Michael C.

Communications: radio wave antennas

Antennas

Microstrip

343846, H01Q 138

Patent

active

049774069

ABSTRACT:
A planar antenna is provided, at optional power-supply terminals in power-supply circuit pattern provided in parallel with radiation circuit pattern and ground conductor layer, with additional power-supply terminals having a phase difference of an integer multiple of wavelength .lambda.g, while the radiation circuit pattern is provided with additional radiation elements respectively corresponding to each of the additional power-supply terminals, whereby the planar antenna can be made to attain a high gain with the minimum dimension in accordance with the field strength of satellite broadcasting electric waves.

REFERENCES:
patent: Re29911 (1979-02-01), Munson
patent: 3587110 (1971-06-01), Woodward
patent: 3681769 (1972-08-01), Perrotti et al.
patent: 4079268 (1978-03-01), Fletcher et al.
patent: 4686535 (1987-08-01), Lalezari
patent: 4761654 (1988-08-01), Zaghloul

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