发明名称 OPTICAL SIGNAL REPRODUCER
摘要 PURPOSE:To ensure a highly efficient reproduction of the modulated wave signal recorded on the magnetic thin film by performing an optical mixture detection for the record singla by use of the laser beam pair featuring the right-angled polarizing surfaces.
申请公布号 JPS53148913(A) 申请公布日期 1978.12.26
申请号 JP19770063855 申请日期 1977.05.31
申请人 NIPPON TELEGRAPH & TELEPHONE 发明人 ISHII AKIRA;KISHINO FUMIO;YAMAGISHI KINGO
分类号 G11B11/10;G11B11/105;G11C13/06 主分类号 G11B11/10
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