High-gain loop antenna

Details High-gain loop antenna High-gain loop antenna

2007-05-08

2007-05-08

Phan, Tho (Department: 2821)

Communications: radio wave antennas

Antennas

High frequency type loops

C343S745000, C343S866000

Reexamination Certificate

active

11222347

ABSTRACT:
A high gain loop antenna comprises a conductor ground plane, a feeding signal line, a radiation element including two matching sections and a conductor loop, and a dielectric element formed between the conductor ground plane and the radiation element. Both matching sections connect to the feeding signal line and the radiation element for matching the input impedance. The input impedance can be changed by adjusting the distance between the two matching sections or the lengths of the two matching sections. The conductor loop is to activate the operating mode of the antenna when the current component flows through the loop antenna.

REFERENCES:
patent: 4160978 (1979-07-01), DuHamel
patent: 5583523 (1996-12-01), Wallace, Jr.
patent: 5767813 (1998-06-01), Verma et al.
patent: 6236368 (2001-05-01), Johson
patent: 6344823 (2002-02-01), Deng
patent: 6469675 (2002-10-01), Jo et al.
patent: 6525694 (2003-02-01), Jiang et al.
patent: 6697025 (2004-02-01), Koyanagi et al.
patent: 6724348 (2004-04-01), Fang
patent: 6853341 (2005-02-01), Hellgren et al.
patent: 6995718 (2006-02-01), Fang

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