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.
Patent No.:
Date of Patent:
Oct. 27, 1987
Filed:
Oct. 10, 1986
Applicant:
Inventors:
Manfred Burckhardt, Waiblingen, DE;
Richard Zimmer, Fellbach, DE;
Assignee:
Daimler-Benz Aktiengesellschaft, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60R / ;
U.S. Cl.
CPC ...
180197 ; 180249 ;
Abstract
A reference signal generation circuit for providing a vehicle reference speed signal to an antilocking system in a vehicle having automatic selectable all wheel drive is provided. A reference signal generator is put into various operational states to increase, decrease or hold the reference signal in response to various operating conditions of the vehicle and the road conditions, in order to provide a more accurate vehicle reference speed signal to the antilocking control system, even when the vehicle wheels are spinning.