Antenna device, a communication device including such an antenna device and a method of operating the communication device
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United States of America Patent
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Dec 10, 2002
Grant Date -
N/A
app pub date -
Nov 17, 2000
filing date -
Nov 17, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An antenna device includes a first and a second internal antenna element and a common ground plane. The first element has an upper and a lower end portion. The first antenna element is adapted for use with a cellular mobile phone system and the second antenna element is adapted for use with a GPS system. To that end, the second element is elongated and adapted to receive circularly polarized radio signals by operation with linear polarization. This provides for a compact antenna device adapted for use with more than one communication system.
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