Method and system for obtaining traffic sign data using navigation systems
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United States of America Patent
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Oct 7, 2008
Grant Date -
N/A
app pub date -
Aug 7, 2002
filing date -
Aug 7, 2002
priority date (Note) -
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Abstract
A method for collecting data for a geographic database is disclosed. Speed and position data are collected using a plurality of mobile computing platforms moving in a geographic region. The speed and position data are analyzed to identify a location of a traffic sign corresponding to a change in the speed. The geographic database is updated to indicate the location of the traffic sign.
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