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:
May. 05, 2009
Filed:
Sep. 29, 2003
Applicants:
Johannes-joerg Rueger, Vienna, AT;
Udo Schulz, Vaihingen/Enz, DE;
Jens-holger Barth, Fellbach, DE;
Inventors:
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 41/04 (2006.01); F02M 51/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apparatus and a method for controlling a piezoelectric actuator are described. The voltage applied to the piezoelectric actuator is detected at a specified time. If certain variables are present, the detection of the voltage and/or the relaying of a detected voltage value is blocked.