Microstrip antenna having embedded spiral inductor

Details Microstrip antenna having embedded spiral inductor Microstrip antenna having embedded spiral inductor

2007-09-04

2007-09-04

Owens, Douglas W. (Department: 2821)

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

C343S795000, C343S7000MS, C343S895000, C343S767000, C343S770000, C343S769000

Reexamination Certificate

active

11461379

ABSTRACT:
A microstrip antenna comprises of an antenna element and a feed-in/feed-out element. Wherein, a wiring pattern of the antenna element includes a plurality of spiral inductors, so that in the antenna element, the path of the electric current is lengthened, the resonant frequency is lowered, and the length of the antenna is shortened.

REFERENCES:
patent: 4827266 (1989-05-01), Sato et al.
patent: 6593895 (2003-07-01), Nesic et al.
patent: 6853351 (2005-02-01), Mohuchy
patent: 6864856 (2005-03-01), Lynch et al.
patent: 6958729 (2005-10-01), Metz
patent: 7075493 (2006-07-01), Azadegan et al.
patent: 7215288 (2007-05-01), Park et al.
patent: 2002/0067315 (2002-06-01), Kunysz

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