Communications: radio wave antennas – Antennas – With radio cabinet
Reexamination Certificate
2007-08-23
2009-12-08
Owens, Douglas W (Department: 2821)
Communications: radio wave antennas
Antennas
With radio cabinet
C343S7000MS, C343S795000, C343S850000
Reexamination Certificate
active
07629933
ABSTRACT:
An antenna, and an associated methodology, for a portable radio device, such as a mobile station capable of operation at a plurality of frequency bands spread across a wide range of frequencies. The antenna includes a dielectric substrate and a monopole disposed about the substrate. The monopole includes a first end having a feed point connection and is folded in a serpentine manner about at least three planar surfaces of the substrate. A first patch element improves matching at a first frequency band, extends from the monopole. A second patch element improves matching at a second frequency band, extends from the monopole and is proximate to the feed point connection. A third patch element improves matching at a third frequency band, extends from a second end of the monopole, opposed to the feed point connection.
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Ali Shirook
Pecen Mark
Wen Geyi
Owens Douglas W
Research In Motion Limited
Tran Chuc D
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