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. 13, 2005
Filed:
Jul. 16, 2003
Applicants:
Mario Montuschi, Turin, IT;
Eugenio Faggioli, Turin, IT;
Paolo Reggio, Turin, IT;
Inventors:
Assignee:
C.R.F. Societa Consortile per Azioni, Orbassano, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L041/08 ;
U.S. Cl.
CPC ...
Abstract
The system makes it possible to control at least one piezoelectric actuator having a capacitive impedance and includes a source of voltage, a control circuit branch in parallel with the source, in which the actuator is connected in series to two electronic switches each having a respective parallel diode; an energy accumulating inductor with one terminal connected between the said switches and the other connected to the voltage source; and an electronic unit operable to control the said controlled switches according to predetermined modes of operation.