Circular antenna polarization via stadium configured active...

Details Circular antenna polarization via stadium configured active... Circular antenna polarization via stadium configured active...

2006-07-04

2006-07-04

Phan, Tho (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

Reexamination Certificate

active

07071881

ABSTRACT:
An apparatus for (and method of) generating circular antenna polarization (from a planar structure encompassing the feed, excitation, and antenna functions), consisting of a plurality of modules each comprising one or more patch antennas, wherein at least one or more of the modules is stacked atop one or more other modules to form a stair-stepped, stadium like antenna array.

REFERENCES:
patent: 5781158 (1998-07-01), Ko et al.
patent: 5815119 (1998-09-01), Helms et al.
patent: 6014114 (2000-01-01), Westfall et al.
patent: 6292143 (2001-09-01), Romanofsky
patent: 6930639 (2005-08-01), Bauregger et al.

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