Ultra wide bandwidth planar antenna

Details Ultra wide bandwidth planar antenna Ultra wide bandwidth planar antenna

2007-12-11

2007-12-11

Owens, Douglas W. (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S829000, C343S830000, C343S725000, C343S729000

Reexamination Certificate

active

11281639

ABSTRACT:
A planar antenna, which is operable within the ultra wide bandwidth, includes a dielectric substrate, an elliptical radiating element, a feeding element, and a grounding element. The dielectric substrate has opposite first and second surfaces. The elliptical radiating element is formed on the first surface of the dielectric substrate, and has major and minor axes. The ratio of the major axis to the minor axis is between 1.25 and 1.7. The feeding element is formed on the first surface of the dielectric substrate, and is coupled to the radiating element. The grounding element is formed on the second surface of the dielectric substrate, and is coupled to the feeding element.

REFERENCES:
patent: 4775866 (1988-10-01), Shibata et al.
patent: 6590545 (2003-07-01), McCorkle
patent: 6642903 (2003-11-01), Schantz
patent: 6768461 (2004-07-01), Huebner et al.
patent: 7061442 (2006-06-01), Tang et al.
patent: 7106258 (2006-09-01), Kuramoto
patent: 7158089 (2007-01-01), Mohammadian et al.

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