发明名称 Parameter Variation Before Closing Radial Control Loop
摘要 The invention relates to a method of optimizing an optical drive system 101 capable of recording and/or reproducing data to and from an optical carrier 102 , such as the high number of different types present e.g. a CD, DVD-SL, DVD-DL, HD-DVD or BD carrier More specifically, the invention relates to improved radial tracking error signal in the optical drive system and thereby alternatively or additionally also improved carrier recognition in the optical drive system. Disc recognition may be a cumbersome procedure due to influences such as the high number of carrier types present, the tolerances specified for and quality of the carriers, the tolerances within the optical system. E.g. a method and a system is disclosed where one or more parameters are varied 234 and one or more signals are evaluated 232 and based on the evaluation one or more parameters may be provided with a new setting before closing a radial control loop 218 in order to obtain an improved radial tracking error signal and/or improved carrier recognition.
申请公布号 US2008239911(A1) 申请公布日期 2008.10.02
申请号 US20060065765 申请日期 2006.08.30
申请人 KONINKLIJKE PHILIPS ELECTRONICS, N.V. 发明人 RAAYMAKERS JEROEN ARNOLDUS LEONARDUS JOHANNES;VAN ENDERT TONY PETRUS;VAN HOUTUM MARCEL M.H.
分类号 G11B20/18 主分类号 G11B20/18
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