GPS-based positioning system for mobile GPS terminals
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United States of America Patent
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Mar 7, 2006
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app pub date -
Aug 7, 2002
filing date -
Apr 5, 2001
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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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