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:
Aug. 05, 2003
Filed:
Dec. 11, 2000
Applicant:
Inventor:
Reinhold Zeilinger, Gutenstetten, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05B 9/02 ;
U.S. Cl.
CPC ...
G05B 9/02 ;
Abstract
A control device is provided for a machine, system or appliance, particularly a fuel cell system, having a first control unit and a second control unit which interchanges signals with the first control unit and monitors the first control unit. A comparison module compares states of the control units. A method for monitoring a controller includes monitoring the first control unit with the second control unit by comparing the states of the control units.