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Map information updating system, central apparatus, map information updating method and recording medium

  • US 20070124064A1
  • Filed: 03/28/2006
  • Published: 05/31/2007
  • Est. Priority Date: 11/30/2005
  • Status: Abandoned Application
First Claim
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1. A map information updating system which includes:

  • a plurality of terminal apparatuses for obtaining a map update information related to a change in a facility or road; and

    a central apparatus for obtaining said map update information from the plurality of terminal apparatuses and updating a stored map information, wherein each terminal apparatus comprises;

    means for obtaining a position information with regard to an existence position;

    means for transmitting the obtained position information to said central apparatus;

    obtaining means for obtaining said map update information; and

    means for transmitting the obtained map update information to said central apparatus, and the central apparatus comprises;

    means for receiving said position information and map update information;

    means for comparing the received position information and map update information and the stored map information and judging whether or not there is any difference from the map information;

    means for transmitting a confirm request as to whether or not the map update information is normal, to a different terminal apparatus located within a predetermined range with respect to a position of a terminal apparatus that is a transmission source of said position information and map update information, in case for judging that there is any difference; and

    means for updating the stored map information, in case for receiving a confirm report indicative of the normality for said confirm request from said different terminal apparatus.

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