×

Navigation system and a vehicle control system

  • US 6,199,011 B1
  • Filed: 07/07/1998
  • Issued: 03/06/2001
  • Est. Priority Date: 07/09/1997
  • Status: Expired due to Fees
First Claim
Patent Images

1. A navigation system comprising:

  • a map information storing means having road data stored therein;

    a subject-vehicle position detecting means for detecting the position of a subject vehicle on a map;

    an azimuth angle-varied state detecting means for detecting a transient azimuth angle-varied state of the subject vehicle; and

    a road data correcting means for correcting the road data stored in said map information storing means based on the transient azimuth angle-varied state and the position of the subject vehicle, wherein said azimuth angle-varied state detecting means detects at least one of an inlet position, a central position and an outlet position of a curved road based on the detected transient azimuth angle-varied state.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×