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Optical unit with shake compensation function

A shake correction, optical unit technology, applied in the direction of optical components, optical, electrical components, etc., can solve problems such as movement obstruction, plastic deformation of spring components, etc.

Inactive Publication Date: 2013-08-07
SANKYO SEIKI MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, if a spring member is used to support the movable body in a swingable manner, there will be the following problem: when the movable body is displaced in a direction intersecting the optical axis due to an external impact, the spring member will Plastic deformation will occur, which will hinder subsequent actions

Method used

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Embodiment Construction

[0069] Hereinafter, preferred modes for implementing the present invention will be described with reference to the drawings. In addition, in the following description, the structure for preventing a hand shake of an imaging means is shown as an example. In addition, in the following description, let three directions orthogonal to each other be X-axis, Y-axis, and Z-axis, respectively, and let the direction along optical axis L (lens optical axis) be Z-axis. In addition, in the following description, among the shakes in each direction, the rotation around the X axis corresponds to the so-called pitch (longitudinal shake), the rotation around the Y axis corresponds to the so-called yaw (lateral shake), and the rotation around the Z axis corresponds to the so-called pitch (longitudinal shake). to the so-called side roll. In addition, add +X to one side of the X-axis, -X to the other side, +Y to one side of the Y-axis, -Y to the other side, and / the rear side in the optical axi...

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Abstract

Provided is an optical unit having a shake compensation function, the optical unit being capable of preventing plastic deformation of a spring member even when the spring member connects between a movable component and a stationary component. The optical unit (100) with the shake compensation function is adapted to have the spring member (600) connected to the movable component (10) and the stationary component (200) in order to rockably support the movable component (10) that holds a lens or the like. Between the spring member (600) and a rocking fulcrum (180) of the movable component (10) in the direction of an optical axis, a stopper member (290) is fixed on the inner circumferential surface of the stationary component (200) to restrict the amount by which the movable component (10) may be displaced in a direction intersecting the optical axis due to an external impact.

Description

technical field [0001] The present invention relates to an optical unit with a shake correction function mounted in a mobile phone with a camera or the like. Background technique [0002] In recent years, mobile phones have been configured as optical devices equipped with an optical unit for photographing. The optical unit for photographing includes a movable body including a lens, a focusing lens drive mechanism for magnetically driving the movable body in the direction of an optical axis, and an imaging unit in which an imaging element is supported on a support. In the related optical unit, in order to suppress the disorder of the photographed image caused by the hand shake of the user, it is proposed that the photographing unit is constituted as a movable body that can swing on a fixed body, and that the photographing unit (movable body) and the A structure in which a shake correction drive mechanism is provided between the fixed bodies. In addition, when the imaging un...

Claims

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Application Information

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IPC IPC(8): G03B5/00H04N5/225
CPCG03B2205/0069G03B2205/0023G03B2205/0007G03B5/00G02B27/64
Inventor 武居勇一滨田吉博柳泽克重
Owner SANKYO SEIKI MFG CO LTD
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