Compact printed “patch” antenna

Details Compact printed “patch” antenna Compact printed “patch” antenna

2005-04-12

2005-04-12

Wimer, Michael C. (Department: 2828)

Communications: radio wave antennas

Antennas

Microstrip

C029S600000

Reexamination Certificate

active

06879290

ABSTRACT:
A half-wave printed “patch” antenna includes, symmetrically with respect to a plane of symmetry of the antenna perpendicular to faces of the antenna, a dielectric substrate and two conductive layers on respective faces of the substrate. One face of the substrate includes a raised portion extending lengthwise of the plane of symmetry and one of the conductive layers extends over and along said raised portion. Consequently, the antenna has a small size, combined with a more open radiation diagram. The antenna includes only one raised portion for linear polarization, or two raised portions or a raised portion with axial symmetry for crossed polarizations.

REFERENCES:
patent: 4131894 (1978-12-01), Schiavone
patent: 5061938 (1991-10-01), Zahn et al.
patent: 5448249 (1995-09-01), Kushihi et al.
patent: 5477231 (1995-12-01), Medard
patent: 5559521 (1996-09-01), Evans et al.

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