发明名称 |
Speed detection apparatus, speed control motor, and track jump control circuit |
摘要 |
A track jump control circuit includes: a head; a rotary motor which drives the head and is controlled in accordance with an input signal; a unit for detecting a speed of rotation corresponding to the rotation of the rotary motor; distance detection unit for producing a signal corresponding to a distance which the head should move with using no data read by the head when the head is moved to a desired position; speed setting unit for setting a speed of movement of the head based on the signal produced by the distance detection unit; and a unit for comparing a speed detected by the speed detection unit with a speed set by the speed setting unit to produce an output as the input signal to the rotary motor.
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申请公布号 |
US5844395(A) |
申请公布日期 |
1998.12.01 |
申请号 |
US19970911978 |
申请日期 |
1997.08.15 |
申请人 |
KABUSHIKI KAISHA TOSHIBA |
发明人 |
NAKANE, HIROSHI |
分类号 |
G11B5/55;G11B7/085;G11B19/247;G11B21/08;(IPC1-7):G01P3/44;H02P6/06 |
主分类号 |
G11B5/55 |
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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