GAIN CORRECTING METHOD FOR FOCUS CONTROL SYSTEM AND OPTICAL DISK DEVICE,申请号JP19910113982-传众专利搜索

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发明名称	GAIN CORRECTING METHOD FOR FOCUS CONTROL SYSTEM AND OPTICAL DISK DEVICE
摘要
申请公布号	JPH04319538(A)	申请公布日期	1992.11.10
申请号	JP19910113982	申请日期	1991.04.18
申请人	RICOH CO LTD	发明人	NISHINOMIYA MASANOBU
分类号	G11B7/095	主分类号	G11B7/095
代理机构		代理人
主权项
地址

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