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:
Sep. 21, 1999
Filed:
Nov. 10, 1997
Applicant:
Inventors:
Werner Fischer, Heimsheim, DE;
Birte Luebbert, Stuttgart, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H / ;
U.S. Cl.
CPC ...
307 87 ; 307131 ; 327108 ; 327110 ; 361 93 ; 361152 ;
Abstract
A method and a device for driving a load, particularly an electromagnetic load. The current flowing through the load is detected, and is controlled by a control device connected in series to the load. During a first phase, in addition to the control device, a first switching device is driven that is disposed parallel to the control device. During a third phase, in addition to the control device, a second switching device is driven that is disposed parallel to the control device.