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Information terminal device and method for route guidance

  • US 6,336,073 B1
  • Filed: 07/26/2000
  • Issued: 01/01/2002
  • Est. Priority Date: 07/29/1999
  • Status: Expired due to Term
First Claim
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1. An information terminal device structured to be mobile and having access to a plurality of information service centers on a network that uses a predetermined protocol for communications, whereineach of the information service centers is structured as being capable of transmitting information in a tag format indicating attributes and contents of the information in accordance with the communications protocol, said information terminal device comprising:

  • a first receiving part operable to receive route information indicating a route from a start point to a destination and guidance information for guiding the route;

    a route guidance part operable to guide the route from the start point to the destination by using first cartographic data having a basis on the route information and/or the guidance information received by said first receiving part; and

    a second receiving part operable to receive, from each of the information service centers, point information in the tag format indicating details of each important point on the route guided by said route guidance part based on a distance to each of the important points wherein said route guidance part, in guiding the route, is operable to present the point information received by said second receiver simultaneously with a map based on the first cartographic data.

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