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Map information processing apparatus, map update information storage medium, map update information data structure, map update information creating system, and map information updating system

  • US 20050049784A1
  • Filed: 07/16/2004
  • Published: 03/03/2005
  • Est. Priority Date: 08/29/2003
  • Status: Active Grant
First Claim
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1. A map information processing apparatus comprising:

  • a map information storage means for storing map information;

    a map update information storage means for storing one or more pieces of map update information which were created when updating processes were continuously performed and which are used for updating yet-to-be-updated map information;

    a map update information selection means for selecting one or more pieces of map update information required to update the map information stored in said map information storage means from the one or more pieces of map update information stored in said map update information storage means; and

    a map information updating means for updating the map information stored in said map information storage means by applying said one or more pieces of map update information selected by said map update information selection means to the map information stored in said map information storage means one by one in order in which the one or more selected pieces of map update information were created for updating of map information.

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