Miniature circularly polarized patch antenna

Details Miniature circularly polarized patch antenna Miniature circularly polarized patch antenna

2006-06-20

2006-06-20

Wong, Don (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S770000

Reexamination Certificate

active

07064714

ABSTRACT:
A circularly polarized patch antenna for wireless communication devices is disclosed. The circularly polarized patch antenna includes a conductive ground plane positioned parallel to a multi-layer resonator with both disposed in a dielectric substrate. The multi-layer resonator may include top and middle conductive layers with meandering between layers. A plurality of slots may be interposed intermittently spanning the top and middle conductive layers. The meandering may be integrated with the slots. The circularly polarized patch antenna may be realized as a multi-layer printed circuit board.

REFERENCES:
patent: 6081239 (2000-06-01), Sabet et al.
patent: 6188368 (2001-02-01), Koriyama et al.
patent: 6429825 (2002-08-01), Martek
patent: 6452560 (2002-09-01), Kunysz
patent: 6456241 (2002-09-01), Rothe et al.
patent: 6940457 (2005-09-01), Lee et al.
patent: 6952190 (2005-10-01), Lynch et al.
patent: 2005/0052321 (2005-03-01), Lee et al.

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