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:
Nov. 15, 2016
Filed:
Jul. 01, 2011
Applicants:
Juergen Hartmann, Gutenstetten, DE;
Guenther Nagy, Ingolstadt, DE;
Karl Spaeth, Koesching, DE;
Inventors:
Assignee:
AUDI AG, Ingolstadt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/32 (2006.01); H04L 12/12 (2006.01); H04L 12/40 (2006.01); H04L 12/413 (2006.01); H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
G06F 1/3253 (2013.01); H04L 12/12 (2013.01); H04L 12/40026 (2013.01); H04L 12/40039 (2013.01); H04L 12/413 (2013.01); H04L 69/22 (2013.01); H04L 2012/4026 (2013.01); H04L 2012/40215 (2013.01); H04L 2012/40273 (2013.01); Y02B 60/34 (2013.01);
Abstract
A watchdog function is performed for those messages which are used by a controller in a CAN bus to keep the other controllers active. All emitted keep-active messages are read again by the emitting controller itself and are checked for the presence of a reason. In the absence of such a reason, a restart is carried out.