The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 03, 2001

Filed:

May. 13, 1998
Applicant:
Inventors:

Uwe Albrecht, München, DE;

Paul Garthwaite, Baldham, DE;

Gerd Waizmann, Riedering, DE;

Assignee:

Mannesmann AG, Duesseldorf, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08G 1/123 ;
U.S. Cl.
CPC ...
G08G 1/123 ;
Abstract

A process for guiding a vehicle along a route to a predetermined destination point includes determining a route in the form of consecutive path points which include at least geographic coordinates, determining the linear distance between a current location and the next path point and/or determining a change in the direction of travel between path points or at a path point. The process also provides a departure from route warning if (1) the linear distance is the next path point is more than a predetermined value; (2) a change in direction between path points lies outside of an allowed range or (3) a change in direction at a path point deviates from a target change in direction by more than a predetermined tolerance value.


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