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:
Aug. 04, 1998

Filed:

May. 24, 1996
Applicant:
Inventors:

Wolf Boll, Weinstadt, DE;

Michael Buck, Winnenden, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06G / ;
U.S. Cl.
CPC ...
701209 ; 701 22 ; 701 25 ; 701208 ; 320137 ; 320107 ; 340636 ; 340995 ; 180 658 ;
Abstract

A route finder device for a motor vehicle contains a data input unit for inputting one or more destinations for a journey, a road network memory for storing the locations on the network of roads which can be used by the vehicle, a computer unit for determining one or more possible routes from the location to the destination or destinations including energy supply processes which may be required at one or more energy supply locations as a function of the quantity of energy present in the energy accumulator, the energy supply network and the route specific energy consumption, as well as a display unit for displaying the routes determined by the computer unit. When used in electric vehicles, this device permits optimum routes to be found, taking into account charging processes for the traction battery.


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