发明名称 Optical head apparatus for recording and reproducing data on a reording medium
摘要 An optical head apparatus for recording and reproducing data by forming optical dots on a recording surface of a recording medium, comprising a base which is movable in a prescribed direction, a movable body movably provided in relation to the base, a lens which is attached to the movable body, a pair of magnets fixed to the side surfaces of the movable body, and a pair of position adjustment coils, which are attached to the base facing the pair of magnets, for operating together with the magnets to move the movable body in a prescribed direction, the coils being wound such that surfaces formed by loops of the coils are vertical to direction of magnetization of the magnets.
申请公布号 US4759005(A) 申请公布日期 1988.07.19
申请号 US19850775383 申请日期 1985.09.12
申请人 KABUSHIKI KAISHA TOSHIBA 发明人 KASAHARA, AKIHIRO
分类号 G11B7/09;(IPC1-7):G11B7/09 主分类号 G11B7/09
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