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:
Apr. 03, 2001
Filed:
Dec. 06, 1999
Applicant:
Inventors:
Christian Hoffmann, Regensburg, DE;
Hellmut Freudenberg, Grossberg, DE;
Hartmut Gerken, Nittendorf, DE;
Martin Hecker, Laimerstadt, DE;
Richard Pirkl, Regensburg, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 4/700 ;
U.S. Cl.
CPC ...
H01H 4/700 ;
Abstract
The device drives one or more capacitive actuators with a control circuit. The device has a series circuit with a charging capacitor, a discharging capacitor, an electric coil, and the one or more actuators each with an associated selector switch. A discharging switch has a drain terminal connected to the node point between the two capacitors, and a source terminal connected via decoupling diodes to the drain terminals of the selector switches.