发明名称 Objective lens driving device
摘要 An objective lens driving device comprises a holding member for holding an objective lens, an intermediate support member spaced apart from the optic axis of the objective lens and constructed for rotation about a rotary support axis parallel to the optic axis, a parallel plate spring having one end thereof secured to the holding member and the other end thereof secured to the intermediate support member, the parallel plate spring supporting the holding member for movement only in the direction of the optic axis of the objective lens relative to the intermediate support member, and driving means for driving the holding member in the direction of the optic axis of the objective lens and a direction perpendicular to the optic axis.
申请公布号 US4818066(A) 申请公布日期 1989.04.04
申请号 US19860933333 申请日期 1986.11.20
申请人 CANON KABUSHIKI KAISHA 发明人 NOSE, HIROYASU
分类号 G11B7/09;(IPC1-7):G02B7/11 主分类号 G11B7/09
代理机构 代理人
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