Wireless communications device pseudo-fractal antenna

Details Wireless communications device pseudo-fractal antenna Wireless communications device pseudo-fractal antenna

2005-12-13

2005-12-13

Dinh, Trinh Vo (Department: 2821)

Communications: radio wave antennas

Antennas

Logarithmically periodic

C343S793000, C343S895000

Reexamination Certificate

active

06975277

ABSTRACT:
A pseudo-fractal antenna is provided comprising a dielectric, and a radiator proximate to the dielectric having an effective electrical length formed in a pseudo-fractal geometry. That is, the radiator includes at least one section formed in a fractal geometry and at least one section formed in a non-fractal geometry. The antenna can be either a monopole or a dipole antenna. For use in a wireless communication telephone, the antenna operating frequency can be approximately 1575 megahertz (MHz), to receive global positioning satellite (GPS) information. In one aspect, the radiator has a fractal geometry section formed as a Koch curve. When the antenna is a dipole, the counterpoise can also be a pseudo-fractal geometry with a section formed in Koch curve fractal geometry section. The radiator can be a conductor embedded in the dielectric. Alternately, the radiator is a conductive line overlying a dielectric layer.

REFERENCES:
patent: 6140975 (2000-10-01), Cohen
patent: 6278340 (2001-08-01), Liu
patent: 6445352 (2002-09-01), Cohen
patent: 6452553 (2002-09-01), Cohen
patent: 6476766 (2002-11-01), Cohen
patent: 2003/0034918 (2003-02-01), Werner et al.
patent: 2004/0164904 (2004-08-01), Tran
patent: 2005/0007294 (2005-01-01), Handelsman

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