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. 04, 2012
Filed:
Dec. 22, 2010
Applicant:
Noriaki Nakajima, Yokohama, JP;
Inventor:
Noriaki Nakajima, Yokohama, JP;
Assignee:
Nikon Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 41/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
An ultrasonic motor device includes: an ultrasonic motor that moves an object; a detecting unit that detects movement of the object; and a control unit that drives the ultrasonic motor according to a first driving signal before detection of the movement of the object, and drives the ultrasonic motor according to a second driving signal, which is different from the first driving signal, after detection of the movement of the object.