Map information distribution center and map information distribution method

Map information distribution center and map information distribution method

  • CN 101,389,930 B
  • Filed: 07/09/2007
  • Issued: 08/19/2015
  • Est. Priority Date: 07/10/2006
  • Status: Active Grant
First Claim
Patent Images

1. a map information distribution center, comprising:

  • Map information memory, store renewal cartographic information, this renewal cartographic information is the cartographic information basis when upgrading the cartographic information stored in navigator by version classification, and, distinguishes data is stored according to road category, the cartographic information of this distinguishes data for by the map information update be stored in described navigator being the latest edition by version classification stored in described renewal cartographic information in this map information memory;

    Version information storage, by being associated with the identifying information of each navigator of identification, stores the version information of each road category of the described cartographic information stored in described navigator;

    Store the distinguishes data management database of distinguishes data management information, described distinguishes data management information stores the distinguishes data filename representing distinguishes data;

    Receiving unit, receives described identifying information from described navigator;

    Extraction parts, based on received identifying information, the version information of each road category of the cartographic information stored the described navigator corresponding with described identifying information is obtained from described version information storage, and whether the version information judging each road category obtained is up-to-date version, if not up-to-date version, then reading with being judged as from described distinguishes data management information is not described distinguishes data filename corresponding to the road category of up-to-date version, then the distinguishes data corresponding with described distinguishes data filename is extracted from described map information memory, withTransmitting portion, is sent to the described navigator corresponding with the identifying information that described receiving unit receives by the distinguishes data extracted by described Extraction parts.

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