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Map Update System

  • US 20070244636A1
  • Filed: 07/16/2004
  • Published: 10/18/2007
  • Est. Priority Date: 07/16/2004
  • Status: Abandoned Application
First Claim
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1. A map update system, comprising:

  • a delivery apparatus for delivering map information created based on map database information to serve as an information source of map information indicative of a map, and a terminal device for receiving said map information, in which said delivery apparatus includes map information storage means for hierarchizing and storing therein said map information in accordance with an area indicated by said map information, map information update means for updating map information stored in said map information storage means if at least a part of said map database information is updated, and update information providing means for providing update information to said terminal apparatus in accordance with a hierarchy assigned to said map information updated by said map information update means, said terminal apparatus includes receiving means for receiving map information delivered from said delivery apparatus and said update information provided by said update information providing means, and map storage means for storing therein said map information received by said receiving means.

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