Is a
Patent attributes
Patent Applicant
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Roy Casino0
Date of Patent
February 1, 2005
0Patent Application Number
104390000
Date Filed
May 15, 2003
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A method for collecting data for a geographic database is disclosed. A plurality of vehicles moving on roads in a geographic region collects data indicating position of the vehicle. For a location on a selected road, the method obtains a cross sectional distribution of the position data. The method identifies a number of steps in the distribution indicating a number of lanes on the selected road and updates the geographic database with data indicating the number of lanes.
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