发明名称 Method and device for retrieving information from an optical record carrier at various reading speeds
摘要 The present invention is related to a method and a reading device (1) for retrieving information from an optical record carrier (10) in which the read power level of a radiation beam (3) for scanning the optical record carrier is set in dependence on the read-out speed. The invention is also related to a record carrier for use with such a method and a reading device.
申请公布号 US8339911(B2) 申请公布日期 2012.12.25
申请号 US201213410409 申请日期 2012.03.02
申请人 SPRUIT JOHANNES HENDRIKUS MARIA;FEDDES BAS;NIJBOER JAKOB GERRIT;WEIJENBERGH PAUL;KONINKLIJKE PHILIPS ELECTRONICS N.V. 发明人 SPRUIT JOHANNES HENDRIKUS MARIA;FEDDES BAS;NIJBOER JAKOB GERRIT;WEIJENBERGH PAUL
分类号 G11B7/00 主分类号 G11B7/00
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