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Traffic information management system

  • US 7,590,483 B2
  • Filed: 06/07/2004
  • Issued: 09/15/2009
  • Est. Priority Date: 06/05/2003
  • Status: Expired due to Fees
First Claim
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1. A road traffic information management system, comprising:

  • first processing means for recognizing a transition pattern of the necessary travel time for a mobile unit for each unit road;

    second processing means for recognizing a route for the mobile unit including one or more unit roads by communicating with an instrument mounted on the mobile unit;

    third processing means for searching, for each unit road included in the route recognized by the second processing means, for a resembling pattern that resembles a reference pattern, the reference pattern being the transition pattern within a reference time zone that has a duration and ends at a current time, the resembling pattern being a past pattern of the transition pattern within a past time zone that precedes the reference time zone and has the same duration as the reference time zone;

    fourth processing means for predicting the necessary travel time required for the mobile unit to travel the route recognized by the second processing means or a unit road included in the route based on the resembling pattern retrieved by the third processing means; and

    communication processing means for transmitting traffic information including the necessary travel time predicted by the fourth processing means to a navigation system mounted on the mobile unit for which the route is recognized by the second processing means.

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