| 发明名称 |
MAGNETO-OPTICAL HEAD UTILIZING CENTRAL AND PERIPHERAL PORTIONS OF REFLECTED LIGHT FLUX FOR DIFFERENT PURPOSES |
| 摘要 |
A magneto-optical head wherein a light flux, which is reflected from a recording medium, is separated into its central portion and remaining portion. The central light flux portion is only used as a magneto-optical signal while the remaining light flux portion is only used as an optical servo signal.
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| 申请公布号 |
US5081614(A) |
申请公布日期 |
1992.01.14 |
| 申请号 |
US19900577817 |
申请日期 |
1990.09.04 |
| 申请人 |
SHARP KABUSHIKI KAISHA |
发明人 |
TAKAHASHI, AKIRA;DEGUCHI, TOSHIHISA;MURAKAMI, YOSHITERU;MIEDA, MICHINOBU;VAN, KAZUO;OHTA, KENJI;KATAYAMA, HIROYUKI;MIYAKE, TOMOYUKI |
| 分类号 |
G11B7/12;G11B7/135;G11B11/105 |
主分类号 |
G11B7/12 |
| 代理机构 |
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