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:
Feb. 21, 2012
Filed:
Oct. 07, 2008
Hanne Buur, Brighton, MI (US);
William R. Cawthorne, Milford, MI (US);
Leonard G. Wozniak, Ann Arbor, MI (US);
Hanne Buur, Brighton, MI (US);
William R. Cawthorne, Milford, MI (US);
Leonard G. Wozniak, Ann Arbor, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Daimler AG, Stuttgart, DE;
Chrysler LLC, Auburn, MI (US);
Bayerische Motoren Werke Aktiengesellschaft, Munich, DE;
Abstract
A method to monitor integrity of a signal in a distributed control system for a powertrain system includes communications link transmitting signals between control modules. Integrity of each of the control modules is monitored. The signal is generated and verified in an originating control module and transmitted to a receiving control module whereat it is subsequently verified.