GPS-based positioning system for mobile GPS terminals
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United States of America Patent
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Apr 24, 2012
Grant Date -
Feb 5, 2009
app pub date -
Feb 18, 2008
filing date -
Apr 5, 2001
priority date (Note) -
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Abstract
The present invention discloses a GPS system that uses call-processor intelligence to determine the mode of operation of a GPS receiver located in a GPS terminal. The modes are selected based on the availability of network facilities, the GPS information that can be acquired, or user input requirements.
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