×

Segment aggregation in a geographic database and methods for use thereof in a navigation application

  • US 6,038,559 A
  • Filed: 03/16/1998
  • Issued: 03/14/2000
  • Est. Priority Date: 03/16/1998
  • Status: Expired due to Term
First Claim
Patent Images

1. A geographic database stored adapted for use with a navigation application program run in a navigation system comprising:

  • data entities that represent segments of roads in a geographic region and data entities that represent aggregations of segments of roads; and

    wherein each of the data entities that represent segments of roads that represents a segment of a road that together with at least one other segment of a road forms part of an aggregation which is represented by one of the data entities that represent aggregations of segments of roads includes a reference thereto.

View all claims
  • 5 Assignments
Timeline View
Assignment View
    ×
    ×