Dual band printed antenna
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United States of America Patent
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-
May 25, 2004
Issued Date -
N/A
app pub date -
Apr 10, 2002
filing date -
Nov 12, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The printed antenna is compact and comprises, superposed by dielectric layers, two feed lines having perpendicular microstrips, a ground plane, a first radiating element including a plurality of conductive strips perpendicular to a first coupling slot formed in the ground plane, and a second radiating element superposed on the first element and including a plurality of conductive strips crossing by superposition the first strips and perpendicular to a second coupling slot formed in the ground plane. For example, the elements radiate in the DCS-1800 and GSM radiotelephone frequency bands with perfectly orthogonal fields.
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