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:
Dec. 26, 2006
Filed:
Dec. 09, 2004
Applicant:
Takayuki Hoshino, Osaka, JP;
Inventor:
Takayuki Hoshino, Osaka, JP;
Assignee:
Konica Minolta Holdings, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 41/09 (2006.01); H02N 2/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The driving device has a piezoelectric elementa supporting memberfixed to one end of the piezoelectric elementa driving shaftfixed to the other end of the piezoelectric elementa movable memberthat is movably held on the driving memberand a driving circuitthat applies the drive voltage to the piezoelectric elementThe driving circuitincludes a self-oscillating circuitthat oscillates at a series resonance frequency of the piezoelectric elementand a non-linear circuitfor adding distortion to the drive voltage that is applied to the piezoelectric element