发明授权
- 专利标题： Control circuit of optical storage device and method thereof
- 专利标题（中）： 光存储装置的控制电路及其方法
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申请号： US11425153申请日： 2006-06-20
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公开(公告)号： US07376063B2公开(公告)日： 2008-05-20
- 发明人: Yuh Cheng , Gwo-Huei Wu
- 申请人： Yuh Cheng , Gwo-Huei Wu
- 申请人地址： TW Hsin-Chu Hsien
- 专利权人： Media Tek Inc.
- 当前专利权人： Media Tek Inc.
- 当前专利权人地址： TW Hsin-Chu Hsien
- 代理商 Winston Hsu
- 优先权： TW94120450A 20050620
- 主分类号： G11B7/004
- IPC分类号： G11B7/004
摘要：
A control circuit of an optical storage device includes a loop phase calculation unit for calculating a closed loop phase of a servo system according to at least one error signal of the servo system and a system control unit coupled to the loop phase calculation unit for generating an optimized control parameter according to the closed loop phase to perform compensation control, wherein the servo system comprises a tracking servo control system or a focusing servo control system, the compensation control is radial tilt control or focus balance adjustment, and the optimized control parameter is at least one optimized control parameter determined according to a plurality of closed loop phases calculated by the loop phase calculation unit.
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