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:
Feb. 07, 2017
Filed:
Jan. 09, 2014
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Yuki Oda, Yokohama, JP;
Nobuyuki Kojima, Machida, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02N 2/04 (2006.01); H02N 2/00 (2006.01); H02N 2/02 (2006.01); H04N 5/232 (2006.01); G02B 27/64 (2006.01);
U.S. Cl.
CPC ...
H02N 2/04 (2013.01); H02N 2/0015 (2013.01); H02N 2/0055 (2013.01); H02N 2/026 (2013.01); H02N 2/028 (2013.01); H04N 5/2328 (2013.01); H04N 5/23264 (2013.01); G02B 27/646 (2013.01);
Abstract
A vibration wave actuator includes a vibrator, a driven element, and a magnet. The vibrator has at least an electro-mechanical energy conversion element and an elastic body to which the electro-mechanical energy conversion element is joined, the elastic body including a contact portion. The driven element is in pressure contact with the contact portion of the vibrator, and includes a magnetic substance. The magnet is arranged such that the vibrator is placed between the driven element and the magnet.