发明名称 |
OBJECT LENS DRIVING DRIVE AND INFORMATION RECORDING AND REPRODUCING DEVICE |
摘要 |
PROBLEM TO BE SOLVED: To attain miniaturization and low cost of an object lens driving device having a tilt compensation function. SOLUTION: A yoke 7 around which a tracking coil 5 is wound is inserted to a hollow part of a focus coil 3 and a first magnetic circuit comprising a focusing magnet 4 shares the yoke 7 with a second magnetic circuit comprising a tracking magnet 6 to realize miniaturization and low cost of the object lens driving device. An information recording and reproducing device on which the object lens driving device is mounted is also provided. COPYRIGHT: (C)2004,JPO
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申请公布号 |
JP2004118900(A) |
申请公布日期 |
2004.04.15 |
申请号 |
JP20020278193 |
申请日期 |
2002.09.24 |
申请人 |
SHARP CORP |
发明人 |
TOMOYAMA SHINICHI;INUI TOSHIHARU |
分类号 |
G11B7/095;(IPC1-7):G11B7/095 |
主分类号 |
G11B7/095 |
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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