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1. 发明授权

US5276665A Magneto-optical disk recording and reproducing apparatus capable of reproducing a plurality of disk types 失效
标题翻译：能够再现多种磁盘类型的磁光盘记录和再现装置
公开(公告)号：US5276665A
公开(公告)日：1994-01-04
申请号：US920094
申请日：1992-07-24
申请人： Kazuhiro Aoki , Akinobu Soneda , Akira Kurahashi
发明人： Kazuhiro Aoki , Akinobu Soneda , Akira Kurahashi
IPC分类号： G11B7/00 , G11B7/004 , G11B7/005 , G11B7/0055 , G11B7/12 , G11B7/125 , G11B7/13 , G11B11/10 , G11B11/105 , G11B3/90
CPC分类号： G11B7/126 , G11B11/10545 , G11B11/10597 , G11B7/005 , G11B7/13
摘要： An optical magnetic disk recording/reproducing apparatus is capable of reproducing address data when recording data signals on a magneto-optical disk and when deleting data signals from a magneto-optical disk. The reproduction of address data is performed with a high degree of stability. The apparatus includes an optical head, photoelectric voltage converters, various adders, a differential device and several switches. A first switch switches between a first position in which an output of the first switch is connected to the output of the differential device and a second position in which the output of the first switch is connected to a reference voltage. A second switch includes a first position in which an output of the second switch is connected to the output of one of the adders and a second position in which an output of the second switch is connected to the output of the first switch. Several control signal generators control the switches. Thus, the first switch outputs a signal from a differential amplifier during data reproduction and outputs a reference voltage during data recording and erasing.
摘要翻译：当在磁光盘上记录数据信号时和当从磁光盘中删除数据信号时，光盘记录/重放装置能够再现地址数据。以高度的稳定性进行地址数据的再现。该装置包括光头，光电压转换器，各种加法器，差动装置和若干开关。第一开关在其中第一开关的输出连接到差分装置的输出的第一位置和第一开关的输出连接到参考电压的第二位置之间切换。第二开关包括第一位置，其中第二开关的输出连接到一个加法器的输出，第二位置中第二开关的输出连接到第一开关的输出端。几个控制信号发生器控制开关。因此，第一开关在数据再现期间输出来自差分放大器的信号，并且在数据记录和擦除期间输出参考电压。

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