Radio device and antenna structure

Details Radio device and antenna structure Radio device and antenna structure

2005-09-13

2005-09-13

Wong, Don (Department: 2821)

Communications: radio wave antennas

Antennas

Slot type

C343S7000MS

Reexamination Certificate

active

06943746

ABSTRACT:
A radio device and an antenna structure comprising a ground plane, at least a first and a second radiator, both radiators being configured to provide at least one resonance frequency in order to provide at least one frequency band. The antenna structure further comprises separate feed points for both radiators grounded to the ground plane. The first radiator is configured to provide at least two frequency bands, at least one of the frequency bands being at least partly overlapping with at least one frequency band provided by the second radiator. In addition, at least the first radiator is a groove plane antenna such that coupling of the radiators with each other at least within the partly overlapping frequency range is substantially avoided.

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patent: 2003/0050032 (2003-03-01), Toshiyuki
patent: 1 202 386 (2002-05-01), None
patent: WO 01/65636 (2001-09-01), None
patent: WO 02/05382 (2002-01-01), None
patent: WO 02/078123 (2002-10-01), None

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