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. 03, 1999
Filed:
Sep. 04, 1996
Applicant:
Inventor:
Tadao Takagi, Yokohama, JP;
Assignee:
Nikon Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02N / ;
U.S. Cl.
CPC ...
31032302 ; 31031602 ;
Abstract
A vibration motor having an elastic body which is conductive, first and second piezoelectric elements which are joined with the elastic body, which harmonically cause a longitudinal vibration mode and a bending vibration mode to be generated on the elastic body, and which produce elliptical movement on the output take off position of the elastic body, and a third piezoelectric element which is joined with the elastic body, and which converts the vibrations produced on the elastic body to electric signals.