发明名称 |
Servo control system for head recording and/or reproducing information on and/or from recording medium |
摘要 |
A servo control system for controlling position of a readout head such as a magnetic or optical head which records, reproduces or erases information on or from a magnetic or magneto-optical disk. This servo control system includes an actuator for moving the head toward a required position on the disk, a position detecting circuit for detecting a position of the head relative to the disk, and a signal processing circuit for processing an output signal from the position detecting circuit to provide a control signal to the actuator. When a value of the signal from the position detecting circuit falls within a preselected range, a controller deactivates a servo control operation of the signal processing circuit and modifies controlled parameters used in the servo control operation in response to a disturbance such as vibration of the system.
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申请公布号 |
US5479388(A) |
申请公布日期 |
1995.12.26 |
申请号 |
US19930127544 |
申请日期 |
1993.09.28 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
GONDOU, HIROYUKI;SUENAGA, KIYOYUKI;MURAOKA, KOUJI;SAGATA, SHINGO |
分类号 |
G11B7/085;G11B7/09;G11B11/105;G11B21/08;G11B21/10;(IPC1-7):G11B7/00 |
主分类号 |
G11B7/085 |
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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