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Drive device

A technology of driving devices and driving components, which is applied in the direction of electromechanical devices, AC motor control, instruments, etc., and can solve problems such as disturbing users, destroying driving devices, and large vibrations of driving devices

Inactive Publication Date: 2009-09-09
RICOH IMAGING COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, simply bumping the moving part against the fixed part can cause a large shock to the drive
This may disturb the user and damage the drive unit

Method used

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Examples

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Embodiment Construction

[0018] The invention is described below with reference to the embodiments shown in the drawings. Figures 1 to 3 The structure of the image capture device 1 including the driving device according to the present invention is shown. In this embodiment, the photographing device 1 is a digital camera. A photographing optical system such as the camera lens 67 that captures an optical image on the photographing plane of the image sensor of the photographing device 1 has an optical axis LX. In order to explain the directions in this embodiment, the x direction (first direction), the y direction (second direction) and the z direction (refer to figure 1 ). The x direction is in the horizontal plane and perpendicular to the optical axis LX. The y direction is perpendicular to the optical axis LX and the x direction. The z direction is parallel to the optical axis LX and perpendicular to the x and y directions.

[0019] The photographing device 1 includes a power button 11 for turni...

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PUM

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Abstract

A drive device is provided having a movable part, a first drive part, and a second drive part. The movable part is swingable relative to a fixed part. The first drive part drives the movable part in a first direction. The second drive part drives the movable part in a direction opposite to the first direction. The fixed part has bumpers which are struck by the movable part. The first and second drive parts simultaneously drive said movable part so as to strike the bumpers.

Description

technical field [0001] The present invention relates to a driving device for driving a movable part to which an image sensor such as a camera is connected. Background technique [0002] A device for removing dust particles adhering to an image sensor of the camera and a cover thereof provided in a photographing device such as a digital camera is proposed. [0003] US Published Patent Application Publication No. 2005-0264656A discloses a driving device that strikes a movable part against a fixed part, thereby removing dust particles adhering to the image sensor and its cover by the impact of the strike. [0004] However, simply bumping the moving part against the fixed part would cause a large shock to the drive. This has the potential to disturb the user and damage the drive unit. Contents of the invention [0005] The object of the present invention is to provide a driving device which is accompanied by relatively weak vibrations in the driving device during operation. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K33/12G03B17/02H04N5/225H04N23/40
CPCH02P25/028H02P25/06H04N5/2171H04N5/232H02P25/034H04N23/811H04N23/681H04N23/52H04N23/54H04N23/687H02P25/064
Inventor 上中行夫
Owner RICOH IMAGING COMPANY