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
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
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