Invention Grant
US09263972B2 Vibrator, vibration type driving apparatus and manufacturing method of vibrator
有权
振动器，振动式驱动装置及振动器的制造方法
- Patent Title: Vibrator, vibration type driving apparatus and manufacturing method of vibrator
- Patent Title (中): 振动器，振动式驱动装置及振动器的制造方法
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Application No.: US13862772Application Date: 2013-04-15
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Publication No.: US09263972B2Publication Date: 2016-02-16
- Inventor: Daisuke Yokoyama
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Fitzpatrick, Cella, Harper & Scinto
- Priority: JP2012-095705 20120419
- Main IPC: H02N2/02
- IPC: H02N2/02 ; H02N2/00 ; H02N2/10
Abstract:
A vibrator includes an elastic body bonded to an electrical-mechanical energy converting element and including at least two contact parts, in which the at least two contact parts have convex shapes, shapes of surfaces of the at least two contact parts are part of spherical shapes, and rising directions of the at least two contact parts toward a member to be driven when the member is driven are different.
Public/Granted literature
- US20130278112A1 VIBRATOR, VIBRATION TYPE DRIVING APPARATUS AND MANUFACTURING METHOD OF VIBRATOR Public/Granted day:2013-10-24
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