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Geographic data transmitting method, information delivering apparatus and information terminal

  • US 20060007022A1
  • Filed: 10/01/2003
  • Published: 01/12/2006
  • Est. Priority Date: 10/01/2002
  • Status: Active Grant
First Claim
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1. A map data transmission method comprising:

  • determining a recommended route extending from a current position to a destination based upon map data that include road shape information indicating shapes of roads and road connection information indicating conditions with which the roads connect with one another;

    extracting map data over a slicing range set within a predetermined distance from the determined recommended route from the map data;

    making a decision as to whether or not the road connection information is to be eliminated from the extracted map data; and

    transmitting map data obtained by eliminating the road connection information from the extracted map data if results of the decision indicate that the road connection information is to be eliminated.

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