Circular polarized antenna, antenna design simulator, and...

Details Circular polarized antenna, antenna design simulator, and... Circular polarized antenna, antenna design simulator, and...

2008-07-01

2008-07-01

Chen, Shih-Chao (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S895000

Reexamination Certificate

active

07394426

ABSTRACT:
A circular polarized antenna has a group of conductor lines that comprise a planar metal conductor, and a feeding point connected to a part of the conductor lines. When a current to be induced on the conductor lines is projected onto two mutually-perpendicular axes to define projections and arguments therebetween, a ratio between absolute values of the projections is 0.7 to 1.3 and an absolute value of a difference between the arguments is 80 to 100 degrees, and a reactance component of an impedance of the feeing point is nearly zero.

REFERENCES:
patent: 7026997 (2006-04-01), Rahola
patent: 2004/0217916 (2004-11-01), Quintero Illera et al.
patent: 5-152830 (1993-06-01), None
patent: 8-51312 (1996-02-01), None
patent: 2001-251132 (2001-09-01), None

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