Multiband omnidirectional antenna

Details Multiband omnidirectional antenna Multiband omnidirectional antenna

2011-08-23

2011-08-23

Le, HoangAnh T (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S713000

Reexamination Certificate

active

08004465

ABSTRACT:
A multiband omnidirectional antenna which includes a grounded face and an antenna element situated parallel to the grounded face, the antenna element having a first planar emitter, which has a planar design and extends parallel to the grounded face, a second planar emitter, which surrounds the first planar emitter at a distance, and at least two connection elements for connecting the first and the second planar emitters to each other.

REFERENCES:
patent: 4821040 (1989-04-01), Johnson et al.
patent: 6597316 (2003-07-01), Rao et al.
patent: 7158086 (2007-01-01), Inatsugu et al.
patent: 7495621 (2009-02-01), Li et al.
patent: 7733279 (2010-06-01), Hozouri
patent: 2004/0004572 (2004-01-01), Ma
patent: 2005/0195111 (2005-09-01), Inatsugu
patent: 1 445 828 (2004-08-01), None
patent: 2 826 185 (2002-12-01), None

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