发明名称 |
Image information recording apparatus. |
摘要 |
<p>Disclosed is a image information recording apparatus wherein a pulse corresponding to rotation of a magnetic disk (1) is obtained by detecting a PG-yoke signal as a rotational position detection index in the disk (1) by a PG-coil (5) as a pulse detection means. The recording/reproduction control is performed by a control circuit (17) as erase recording/reproduction control means operating in accordance with the pulse. The erase and recording/reproduction operations of data are performed with respect to the disk (1) by a composite magnetic head (6) controlled by the erase recording/reproduction control means, said control means providing change-over timing signals enabling successively repeating erasing and recording operations in synchronism with PG-pulses on a single recording track of the magnetic disk. </p> |
申请公布号 |
EP0374129(A2) |
申请公布日期 |
1990.06.20 |
申请号 |
EP19900101241 |
申请日期 |
1985.03.13 |
申请人 |
OLYMPUS OPTICAL CO., LTD. |
发明人 |
YUNOKI, YUTAKA |
分类号 |
G11B5/012;G11B5/02;G11B5/024;G11B5/187;G11B5/265;G11B5/29;G11B5/48;G11B19/02;G11B19/28;G11B20/10;G11B27/029;H04N1/21;H04N5/92 |
主分类号 |
G11B5/012 |
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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