A Research of Power-Efficient Driving Scheme for Auto-Focus on Image Sensor Module
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Cha, Sang-Hyun
(삼성전기 기술총괄 UM 솔루션랩)
Park, Chan-Woo (삼성전기 기술총괄 UM 솔루션랩) Lee, Yuen-Joong (삼성전기 기술총괄 UM 솔루션랩) Hwang, Byoung-Won (삼성전기 기술총괄 UM 솔루션랩) Kwon, Oh-Jo (삼성전기 기술총괄 UM 솔루션랩) Park, Deuk-Hee (삼성전기 기술총괄 UM 솔루션랩) Kwon, Kyoung-Soo (삼성전기 기술총괄 UM 솔루션랩) Lee, Jae-Shin (삼성전기 기술총괄 UM 솔루션랩) Hwang, Shin-Hwan (삼성전기 기술총괄 UM 솔루션랩) |
1 | S. D. Yu et aI., 'A piezoelectric actuator driver circuit for automatic focusing of mobile phone cameras,' Proc. IEEE ISCAS, pp. 2106-2109, May 2008 |
2 | G. Shen and Y. Wei, "Study on nonlinear model of piezoelectric actuator and accurate positioning control strategy," Proc. IEEE WCICA, vol. 2, pp. 8356-8360, June 2006 |
3 | H.J. Schouwenaars et aI., 'A low-power stereo 16-bit CMOS D/A converter for digital audio,' IEEE J. Solid-State Circuits, vol. 23, no. 6, pp 1290-1297, Dec. 1988 DOI ScienceOn |
4 | D. W. J. Groeneveld et aI., 'A self-calibration technique for monotonic high resolution DI A converters,' IEEE J. Solid-State Circuits, vol. 24, no. 6, pp 1517-1522, Dec. 1989 DOI ScienceOn |
5 | K. S. Choi, J. S. Lee, and S. J. Ko, 'New autofocusing technique using the frequency selective weighted median filter for video cameras,' IEEE Trans. Consumer Electronics, vol. 45, pp. 820-827, Aug. 1999 DOI ScienceOn |
6 | C. Kusakabe, Y. Tornikawa, and T. Takano, 'High-speed actuation of a piezoelectric actuator by pulse driving and stopping of its residual mechanical vibration,' IEEE Transactions on UFFC, vol. 37, no. 6, pp.551-557, Nov. 1990 DOI ScienceOn |
7 | J. He, R. Zhou, and Z. Hong, 'Modified fast climbing search auto-focus algorithm with adaptive step size searching technique for digital camera,' IEEE Trans. Consumer Electronics, vol. 49, pp. 257-262, May 2003 DOI ScienceOn |
8 | C. S, Lie et aI, "Design and characterization of miniature autofocusing voice coil motor actuator for cell phone camera applications," IEEE Trans. Magnetics, vol. 45, no. I, pp. 155-159, Jan. 2009 DOI ScienceOn |
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