Electrically small planar antennas with inductively coupled...

Details Electrically small planar antennas with inductively coupled... Electrically small planar antennas with inductively coupled...

2006-06-13

2006-06-13

Ho, Tan (Department: 2821)

Communications: radio wave antennas

Antennas

Plural separate diverse type

C343S895000

Reexamination Certificate

active

07061440

ABSTRACT:
Inductively coupled antennas and methods of designing the same are disclosed. Electrically small antennas having relatively high efficiency and relatively broad bandwidth may be formed by inductively coupling an antenna loop to at least one antenna winding. Such antennas may be substantially planar. Various operating characteristics of such antennas may be adjustable by and/or dependent upon the strength of the inductive coupling between an antenna winding and an antenna loop.

REFERENCES:
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patent: 6154177 (2000-11-01), Saito et al.
patent: 6173897 (2001-01-01), Halpern
patent: 6215456 (2001-04-01), Nakanishi
patent: 6753820 (2004-06-01), Koeberl et al.
patent: 6774865 (2004-08-01), Serra
patent: 6819295 (2004-11-01), Peng et al.
patent: 6867709 (2005-03-01), Povey et al.
patent: 2003/0114118 (2003-06-01), Fukushima et al.

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