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Camera module

A camera module and lens unit technology, applied in cameras, printing devices, instruments, etc., can solve problems such as discrepancy, motion drift, and impact on image quality

Active Publication Date: 2016-08-03
SAMSUNG ELECTRO MECHANICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, motion drift (difference in drive characteristics) occurs due to movement of the lens unit
[0006] Since motion drift can affect image quality and cause screen degradation, a method of controlling the actuator is needed to prevent such problems

Method used

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Embodiment Construction

[0019] The following detailed description is provided to assist the reader in gaining an overall understanding of the methods, devices and / or systems described herein. However, various changes, modifications, and equivalents thereof to the methods, devices, and / or systems described herein will be apparent to those of ordinary skill in the art. The order of operations described herein is an example only, and is not limited to what is set forth herein, but changes may be made that would be obvious to one of ordinary skill in the art, except for operations that must occur in a particular order. Also, descriptions of functions and constructions that are well known to one of ordinary skill in the art may be omitted for increased clarity and conciseness.

[0020] The features described herein may be embodied in different forms and should not be construed as limited to the examples described herein. Rather, the examples described herein have been provided so that this disclosure wil...

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Abstract

A camera module includes a lens unit disposed in a housing unit; an actuator unit configured to drive the lens unit in first through third directions relative to the housing unit; and an actuator controller configured to control the actuator unit according to compensation amounts for moving drift in the second and third directions depending on a position of the lens unit in the first direction.

Description

[0001] This application claims the benefit of priority of Korean Patent Applications No. 10-2015-0011504 and No. 10-2015-0050343 filed with the Korean Intellectual Property Office on January 23, 2015 and April 9, 2015, respectively, so The entire disclosure of said application is hereby incorporated by reference for all purposes. technical field [0002] The present disclosure relates to a camera module. Background technique [0003] Recently, camera modules have been installed in mobile devices. The camera module may include a lens unit having a lens barrel, a housing, an actuator, a driver integrated circuit (IC) controlling the actuator, and other components. [0004] The camera module has an auto focus function. In addition, the camera module may have an optical image stabilization (OIS, optical image stabilization) function to reduce a decrease in resolution due to shaking of a user's hand when shooting. The camera module having the above functions has the following ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03B5/00H04N5/232
CPCG03B5/00H04N23/682
Inventor 许勋郑新永房垣锡尹熙洙朴勇俊吴源燮
Owner SAMSUNG ELECTRO MECHANICS CO LTD