发明名称 |
Magneto-optical recording apparatus and method |
摘要 |
<p>A magnetic domain of a predetermined length is formed on a magneto-optical recording medium (1) with the phase difference (δ) altered between the rise of a laser drive signal (LD) to generate a pulsed laser beam and the fall of a magnetic head drive signal (MD) to generate a magnetic field. A phase difference optimization circuit (13) detects an optimum phase difference (δop) corresponding to the lowest error rate from the error rate of a reproduced signal obtained by reproducing the formed magnetic domain. A magnetic head drive signal (MD) is newly generated to produce a magnetic field modulated according to a record signal based on the detected optimum phase difference (δop). According to the generated magnetic head drive signal (MD) and the first laser drive signal (LD), a magnetic field is applied to the magneto-optical recording medium (1), and a pulsed laser is directed onto the magneto-optical recording medium (1) to record a signal.</p> |
申请公布号 |
EP1052635(A1) |
申请公布日期 |
2000.11.15 |
申请号 |
EP20000109904 |
申请日期 |
2000.05.10 |
申请人 |
SANYO ELECTRIC CO., LTD. |
发明人 |
TANAKA, SAYOKO;SUZUKI, YOSHIHISA |
分类号 |
G11B11/10;G11B11/105;G11B20/18;(IPC1-7):G11B11/105 |
主分类号 |
G11B11/10 |
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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