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.:

US 9425378 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 23, 2016

Filed:

Nov. 10, 2011
Applicants:

Christoph Auer, Graz, AT;

Reinhard Gabl, Kufstein, AT;

Inventors:

Christoph Auer, Graz, AT;

Reinhard Gabl, Kufstein, AT;

Assignee:

EPCOS AG, Munich, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 41/09 (2006.01); H01L 41/047 (2006.01); H01L 41/083 (2006.01); H02N 2/06 (2006.01); H01L 41/04 (2006.01);
U.S. Cl.
CPC ...
H01L 41/0472 (2013.01); H01L 41/042 (2013.01); H01L 41/0471 (2013.01); H02N 2/067 (2013.01);
Abstract

The invention relates to an actuator () having stacked piezoelements (), first and second inner electrodes () disposed alternatingly between the piezoelements (), a first outer electrode () which is electrically conductively connected to the first inner electrode (), a second outer electrode () which is electrically conductively connected to the second inner electrode (), characterized in that the actuator () comprises a plurality of actuator segments () and that the second outer electrode () comprises separate electrode segments () each of which are electrically conductively connected to the second inner electrodes () in one of the actuator segments ().


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