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Camera module

A camera, camera lens technology, used in cameras, image communications, television, etc.

Active Publication Date: 2014-05-21
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The hand shake correction function is widely used in digital video cameras and movies, but on the other hand, it is rarely used in mobile phones due to size problems.

Method used

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Experimental program
Comparison scheme
Effect test

no. 1 approach

[0037] figure 1 It is a perspective view schematically showing a schematic configuration of a camera module 50 according to one embodiment (first embodiment) of the present invention. figure 2 It schematically shows the outline structure of the camera module 50 related to the first embodiment figure 1 A cross-sectional view in the direction of the arrow of the A-A line. image 3 It schematically shows the outline structure of the camera module 50 related to the first embodiment figure 2 A cross-sectional view in the direction of the arrow of the B-B line.

[0038] (camera module)

[0039] Such as Figure 1~Figure 3 As shown, the camera module 50 has: an imaging lens 1 , a lens barrel 2 for accommodating the imaging lens 1 , and a lens holder 4 for fixing the lens barrel 2 inside with an adhesive 3 .

[0040]The camera module 50 also includes: a lens driving device 5 and an imaging unit 10, the lens driving unit 5 is a driving device for driving the imaging lens 1 in the...

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PUM

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Abstract

A camera module (50) is provided with a suspension wire (16) and an AF spring. The spring constant of the suspension wire (16) and the AF spring is set so that the maximum value of stress specified according to the degree of deformation in the longitudinal direction of the suspension wire (16) does not exceed the buckling stress or the yield stress of the suspension wire (16) when a movable section moves within a movement range.

Description

technical field [0001] The present invention relates to a camera module mounted in an electronic device such as a mobile phone, and particularly relates to a camera module including a camera shake correction function. Background technique [0002] Among the mobile phones in recent years, most of them are models in which a camera module is incorporated in the mobile phone. Since these camera modules must be accommodated in a mobile phone, they are required to be smaller and lighter than digital video cameras. [0003] In addition, there are also increasing cases where a type of camera module that exhibits an autofocus (AF) function by a lens driving device is mounted on electronic devices such as mobile phones. There are various types of lens driving devices such as a type using a stepping motor, a type using a piezoelectric element, and a type using a VCM (Voice Coil Motor: Voice Coil Motor), and these are already in circulation in the market. [0004] On the other hand, i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03B5/00G02B7/04H04N5/225
CPCG03B5/00G02B7/08G02B13/0035G02B27/646G03B2205/0015G03B2205/0069H04N23/57H04N23/687
Inventor 关本芳宏
Owner SHARP KK
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