Low-sidelobe dual-band and broadband flat endfire antenna

Details Low-sidelobe dual-band and broadband flat endfire antenna Low-sidelobe dual-band and broadband flat endfire antenna

2007-02-06

2007-02-06

Ho, Tan (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S795000

Reexamination Certificate

active

11187936

ABSTRACT:
A low-sidelobe dual-band and broadband flat endfire antenna includes a substrate, a first radiator, a second radiator, two refraction portions, and a conductive element. The substrate has a side surface, a first surface, and a second surface. The first radiator is disposed on the first surface and has a first oblique portion, a first concave portion, and a first electrically connecting portion disposed opposite to the first concave portion. The second radiator is disposed on the second surface and has a second oblique portion, a second concave portion, and a second electrically connecting portion disposed opposite to the second concave portion. The second oblique portion is disposed opposite to the first oblique portion to form an included angle. The refraction portions are disposed on the side surface and are opposite to one another. The conductive element has a conductive body and a grounded conductor electrically connected to the first conductivity portion and the second conductivity portion, respectively.

REFERENCES:
patent: 5293175 (1994-03-01), Hemmie et al.
patent: 6703985 (2004-03-01), Lee
patent: 2004/0017315 (2004-01-01), Fang et al.
patent: 2006/0114166 (2006-06-01), Mohammadian et al.

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