发明名称 |
Magnetic head drive device and magnetic recording apparatus using the same. |
摘要 |
A magnetic head drive device includes a pair of auxiliary coils, a pair of switch elements respectively connected in series with the pair of auxiliary coils, and a magnetic head. The magnetic head is arranged between node of the pair of auxiliary coils and the pair of switch elements. The switch elements are driven by control of a switch element drive device such that at least one of the pair of switch elements is maintained in an ON state for a predetermined period time upon completion or interruption of information recording by the magnetic head. A current contol device is further provided so as to gradually decrease a current to be supplied to the pair of auxiliary coils during the ON state. <IMAGE> |
申请公布号 |
EP0637822(A3) |
申请公布日期 |
1995.08.02 |
申请号 |
EP19940305826 |
申请日期 |
1994.08.05 |
申请人 |
CANON KK |
发明人 |
ISHII KAZUYOSHI C O CANON KABU |
分类号 |
G11B5/02;G11B11/10;G11B11/105;H03K17/687 |
主分类号 |
G11B5/02 |
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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