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. 04, 2003
Filed:
Jun. 19, 2000
Applicant:
Inventors:
Jorg Übelein, Grub am Forst, DE;
Volker Aab, Sesslach-Heiligersdorf, DE;
Jürgen Seeberger, Baunach, DE;
Assignee:
Brose Fahrzeugteile GmbH & Co. KG, Coburg, Coburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E05F 1/516 ;
U.S. Cl.
CPC ...
E05F 1/516 ;
Abstract
A circuit and a process are used to control operation of an electromagnetic drive arrangement for power window lifters, sun roofs, or door locks of a motor vehicle. After recognition of a failure of functions or parts thereof or electrical or electronic components, emergency operation is initiated. The operation of electromagnetic drive arrangement is enabled by a switching element, and the control level for the control of the switching element is verified by the running of a safety routine before possible emergency operation.