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:
Aug. 21, 2001
Filed:
Aug. 20, 1999
Applicant:
Inventors:
Hiroji Katsuragi, Izumi, JP;
Naoki Matsui, Sakai, JP;
Assignee:
Minolta Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02N 2/00 ;
U.S. Cl.
CPC ...
H02N 2/00 ;
Abstract
A piezoelectric element comprising a thin sheet piezoelectric element formed of a piezoelectric ceramic having PZT (PbZrO3.PbTiO3) as a main component with electrodes formed on the surfaces thereof, said thin sheet piezoelectric element being wrapped around a shaft to form a cylinder.