Patent ID: 7590483
Filing Date: 2009-09-15
Classification: G01C,G08G

Abstract:
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.