| 发明名称 |
OPTICAL PICKUP DRIVE METHOD, OPTICAL PICKUP AND OPTICAL DISC APPARATUS |
| 摘要 |
The present invention can simplify and miniaturize an optical pickup and further can prevent the deterioration of various characteristics even if an aberration correction mechanism is composed of a liquid crystal and the like by transmitting a drive signal of an actuator and a drive signal of an aberration correction mechanism by multiplexing them. <IMAGE> |
| 申请公布号 |
EP1400961(A4) |
申请公布日期 |
2008.07.02 |
| 申请号 |
EP20020733426 |
申请日期 |
2002.06.10 |
| 申请人 |
SONY CORPORATION |
发明人 |
TANASE, HIRONOBU;YAMAMOTO, KENJI;HASHIMOTO, GAKUJI |
| 分类号 |
G11B7/09;G11B7/135;G11B7/1369;(IPC1-7):G11B7/09;G11B7/125 |
主分类号 |
G11B7/09 |
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