Invention Grant
US08009971B2 Hand-shake correction method and apparatus of camera module for use in mobile device
有权
用于移动设备的相机模块的手抖校正方法和装置
- Patent Title: Hand-shake correction method and apparatus of camera module for use in mobile device
- Patent Title (中): 用于移动设备的相机模块的手抖校正方法和装置
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Application No.: US11958413Application Date: 2007-12-18
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Publication No.: US08009971B2Publication Date: 2011-08-30
- Inventor: Jun-Mo Koo , Jin-Young Choi , Byung-Kwon Kang , Dong-Hoon Jang , Pyo-Jae Kim , Dong-Sung Song , Hyung-Jin Chang
- Applicant: Jun-Mo Koo , Jin-Young Choi , Byung-Kwon Kang , Dong-Hoon Jang , Pyo-Jae Kim , Dong-Sung Song , Hyung-Jin Chang
- Applicant Address: KR Maetan-Dong, Yeongtong-Gu, Suwon-Si, Gyeonggi-Do KR Bongcheon-Dong, Gwanak-Gu, Seoul
- Assignee: Samsung Electronics Co., Ltd.,Seoul National University Industry Foundation
- Current Assignee: Samsung Electronics Co., Ltd.,Seoul National University Industry Foundation
- Current Assignee Address: KR Maetan-Dong, Yeongtong-Gu, Suwon-Si, Gyeonggi-Do KR Bongcheon-Dong, Gwanak-Gu, Seoul
- Agency: Cha & Reiter, LLC
- Priority: KR10-2006-0130934 20061220
- Main IPC: G03B17/00
- IPC: G03B17/00 ; H04N5/228 ; G05B13/02

Abstract:
A hand-shake correction apparatus and method for a camera module for typical use in a mobile device. A camera unit includes an angular velocity sensor for sensing an angular velocity of a hand-shake motion of a camera, a position detection sensor for detecting a current position of an image sensor, and an actuator for actuating the image sensor. An Optical Image Stabilizer (OIS) circuit unit controls the actuator using a multi-rate Proportional Integrate Derivative (PID) control scheme that performs control a plurality of times using a shorter control period compared with existing PID controls for a basic period, in which a reference value is updated according to a control reference value by which the image sensor optimally shifts to correct a hand-shake motion.
Public/Granted literature
- US20080152332A1 HAND-SHAKE CORRECTION METHOD AND APPARATUS OF CAMERA MODULE FOR USE IN MOBILE DEVICE Public/Granted day:2008-06-26
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