Invention Grant
US07956515B2 Method of driving a driving apparatus capable of smoothly moving a moving member
有权
驱动能够平稳移动移动部件的驱动装置的方法
- Patent Title: Method of driving a driving apparatus capable of smoothly moving a moving member
- Patent Title (中): 驱动能够平稳移动移动部件的驱动装置的方法
-
Application No.: US12546831Application Date: 2009-08-25
-
Publication No.: US07956515B2Publication Date: 2011-06-07
- Inventor: Toshihiko Honma , Takahiro Suzuki
- Applicant: Toshihiko Honma , Takahiro Suzuki
- Applicant Address: JP Tama-Shi
- Assignee: Mitsumi Electric Co., Ltd.
- Current Assignee: Mitsumi Electric Co., Ltd.
- Current Assignee Address: JP Tama-Shi
- Agency: Holtz, Holtz, Goodman & Chick, PC
- Priority: JP2008-217611 20080827; JP2008-260852 20081007
- Main IPC: H01L41/08
- IPC: H01L41/08

Abstract:
A driving method is for a driving apparatus including an electro-mechanical transducer having first and second end surfaces opposite to each other in an expansion/contraction direction, a vibration friction portion mounted to the second end surface of the electro-mechanical transducer, a moving member frictionally coupled to the vibration friction portion, and a vibration transfer member disposed between the second end surface of said electro-mechanical transducer and an end surface of said vibration friction portion, whereby moving the moving member in the expansion/contraction direction of the electro-mechanical transducer. The driving method includes subjecting the electro-mechanical transducer to reciprocating displacement in a sawtooth waveform and transferring the reciprocating displacement of the electro-mechanical transducer to the vibration friction portion through the vibration transfer member, thereby linearly driving the moving member in a predetermined direction.
Public/Granted literature
- US20100052474A1 METHOD OF DRIVING A DRIVING APPARATUS CAPABLE OF SMOOTHLY MOVING A MOVING MEMBER Public/Granted day:2010-03-04
Information query
IPC分类: