Circularly polarized antenna

Details Circularly polarized antenna Circularly polarized antenna

2008-02-06

2009-06-16

Cho, James (Department: 2819)

Communications: radio wave antennas

Antennas

Microstrip

C343S866000, C343S741000

Reexamination Certificate

active

07548207

ABSTRACT:
A circularly polarized antenna includes a dielectric substrate, a closed-loop radiating element, a micro-strip radiating element, a feeding element, and a grounding element. The closed-loop radiating element is formed on a first surface of the dielectric substrate. The micro-strip radiating element is formed on the first surface of the dielectric substrate, is surrounded by the closed-loop radiating element, and is coupled to the closed-loop radiating element. The feeding element is formed on the first surface of the dielectric substrate, is surrounded by the closed-loop radiating element, and is coupled to the micro-strip radiating element. The grounding element is formed on a second surface of the dielectric substrate.

REFERENCES:
patent: 6992630 (2006-01-01), Parsche
patent: 7019699 (2006-03-01), Komatsu et al.
patent: 7071878 (2006-07-01), Masutani

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