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:
Jan. 26, 2021
Filed:
Mar. 30, 2016
Canon Kabushiki Kaisha, Tokyo, JP;
Takao Mori, Tokyo, JP;
Yoshiharu Irei, Fujisawa, JP;
Masaaki Udagawa, Tsukuba, JP;
Yu Takahashi, Yokohama, JP;
Takayuki Tsukimoto, Fujisawa, JP;
Hiroyuki Seki, Oyama, JP;
Satoshi Tsuchiya, Inagi, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A vibrator of a vibration-type driving device according to an aspect of the present invention includes a first vibrating member that includes first protrusions protruding in a first direction, a second vibrating member that includes second protrusions protruding in a direction that is opposite to the first direction, and an electric-mechanical energy conversion element that is fixed to the first vibrating member. The first protrusions and the second protrusions each have a hollow structure, and the first vibrating member and the second vibrating member are disposed in such a manner that a surface of the first vibrating member on which the first protrusions are not formed and a surface of the second vibrating member on which the second protrusions are not formed face each other.