发明名称 |
Information processor and disk memory used in the same |
摘要 |
The information processor uses a portable memory which is able to be overwritten by laser power modulation system. The memory includes a disk type recording medium incorporated rotatably in a thin case, and carries out write/read/erase by means of a first magnetic field application device, a second magnetic field application device, and an optical head radiating light through this case. |
申请公布号 |
US5274612(A) |
申请公布日期 |
1993.12.28 |
申请号 |
US19910742491 |
申请日期 |
1991.08.05 |
申请人 |
HITACHI, LTD. |
发明人 |
SATO, YOSHIO;TSUBOI, NOBUYOSHI;MINEMURA, HIROYUKI;ANDOH, HISASHI;NAGAI, MASAICHI;IKUTA, ISAO;KATO, YOSHIMI;MAEDA, YOSHIHITO;SUGITA, TATSUYA;SUGITA, YUTAKA |
分类号 |
G11B7/0033;G11B7/0037;G11B7/0045;G11B7/0055;G11B7/24;G11B11/105;G11B19/00;G11B23/03;(IPC1-7):G11B13/04 |
主分类号 |
G11B7/0033 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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