Distributed phase type circular polarized wave antenna,...

Details Distributed phase type circular polarized wave antenna,... Distributed phase type circular polarized wave antenna,...

2006-05-10

2008-12-02

Nguyen, Hoang V (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S702000

Reexamination Certificate

active

07460068

ABSTRACT:
A distributed phase type circular polarized wave antenna provided with a plane, a power feed point4formed on the plane; and narrow conductor groups1, 2composed of narrow conductors101having a substantially one-dimensional current distribution, the narrow conductor groups being distributed in two dimension on the plane, and sums of projections of complex vectors of current distributions induced on the narrow conductors in first and second directions orthogonal to each other defined on the plane are determined in amplitude and phase, such that amplitudes are approximately equal to each other and a phase difference is approximately 90°.

REFERENCES:
patent: 6040806 (2000-03-01), Kushihi et al.
patent: 6995709 (2006-02-01), Spittler
patent: 7034770 (2006-04-01), Yang et al.
patent: 2004/0001021 (2004-01-01), Choo et al.
“Illustrated antenna (zusetsu antenna)”, Naohisa Goto, 1995, Institutes of Electronics, Information and Communication Engineers, p. 219.
“Small size plane antenna”, Misao Haneishi et al, 1996, Institute of Electronics, Information and Communication Engineers, pp. 143-145.

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