发明名称 |
Optical pickup position control method |
摘要 |
An optical pickup position control method that uses a stepping motor to control the position of the optical pickup, and that makes it possible to reduce the out-of-step noise generated from the motor and to accurately position the optical pickup, has a first procedure that gives the motor a control command to move the optical pickup in the direction toward the maximum feed position by a feed amount that is smaller than the maximum feed amount from base position to the motor's maximum feed position; a second procedure that gives the motor a control command to move the optical pickup in the direction toward base position by the maximum feed amount; and a third procedure that gives the motor a control command to move the optical pickup in the direction toward maximum feed position by the center position feed amount from base position to center position.
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申请公布号 |
US6577094(B2) |
申请公布日期 |
2003.06.10 |
申请号 |
US20010011382 |
申请日期 |
2001.10.22 |
申请人 |
SONY COMPUTER ENTERTAINMENT INC. |
发明人 |
OHTSU HIROSHI;AMEMIYA HIRONOBU;SUGIYAMA MASAKI |
分类号 |
G11B7/09;G11B7/095;(IPC1-7):G11B7/08 |
主分类号 |
G11B7/09 |
代理机构 |
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代理人 |
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地址 |
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