发明名称 Information reproducing apparatus enabling equalization processing with equalization coefficient for reproduced information
摘要 An information reproducing apparatus for reproducing information of information marks by scanning information marks recorded on tracks inside a predetermined information recording region by an optical spot, the apparatus includes a driving device, an optical head, a head driving device, a laser driving device, an automatic gain control circuit, a non-linear equalization circuit, a phase locked loop circuit, a data demodulation circuit, and a control circuit.
申请公布号 US6552977(B2) 申请公布日期 2003.04.22
申请号 US20020074049 申请日期 2002.02.14
申请人 HITACHI, LTD. 发明人 WAKABAYASHI KOUICHIROU;SUKEDA HIROFUMI
分类号 G11B7/135;G11B7/00;G11B7/005;G11B20/10;(IPC1-7):G11B7/005 主分类号 G11B7/135
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