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Map data processing apparatus and center system

  • US 20040135705A1
  • Filed: 01/06/2004
  • Published: 07/15/2004
  • Est. Priority Date: 01/07/2003
  • Status: Active Grant
First Claim
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1. A map data processing apparatus comprising:

  • a map data storage unit configured to store map data;

    a differential data input unit configured to input differential data representing the difference between current map data stored in the map data storage unit and the most recent map data in a script format for each version; and

    a map data multiple update unit configured to update the map data in the map data storage unit to the most recent map data using the differential data corresponding to the version.

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