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Car navigation system

  • US 5,897,602 A
  • Filed: 08/26/1996
  • Issued: 04/27/1999
  • Est. Priority Date: 03/06/1996
  • Status: Expired due to Fees
First Claim
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1. A vehicle navigation system having an interface for a detachable external storage medium that stores travel data including travel tracks of the vehicle, said vehicle navigation system comprising:

  • an input means for inputting at least one of a predetermined distance interval and a predetermined time interval at which travel data is to be collected;

    a data collecting means for collecting the travel data at every predetermined time interval or at every predetermined distance interval, the travel data including travel dates, starting positions, destinations, passing positions, departure time, passing time, arrival time, and travel distance;

    a data recording means for recording the travel data collected by said data collecting means on said external storage medium; and

    a printing means for extracting pieces of travel data specified by a user from the travel data recorded on said external storage medium and for printing out the specified travel data in a predetermined format so as to provide a travel track of a completed trip of the vehicle at a plurality of intervals corresponding to at least one of the predetermined time interval and the predetermined distance interval.

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