公开(公告)号：US08255936B2

公开(公告)日：2012-08-28

申请号：US11987773

申请日：2007-12-04

申请人： Goichi Akanuma ,  No-Cheol Park ,  Dong-Ju Lee ,  Myeong-Gyu Song ,  Yang-Hyun Seok

发明人： Goichi Akanuma ,  No-Cheol Park ,  Dong-Ju Lee ,  Myeong-Gyu Song ,  Yang-Hyun Seok

IPC分类号： G11B7/09

CPC分类号： G11B7/08582 ,  G11B7/0933 ,  G11B7/0935

摘要： An objective lens drive apparatus configured to drive an objective lens that focuses a laser beam on an optical disk is disclosed, the apparatus including a holding member that holds the objective lens; at least one pair of drive magnets arranged to face each other at opposite sides of the holding member with respect a tangential direction that is parallel to a tangential line of the optical disk, the drive magnets having protruding end portions that protrude from each side of the holding member with respect to a tracking direction that is parallel to a radial direction of the optical disk; and plural drive coils configured to drive the holding member through interaction with the drive magnets, at least one of the drive coils being arranged on each side of the drive magnets with respect to the tangential direction.

摘要翻译： 公开了一种被配置为驱动将激光聚焦在光盘上的物镜的物镜驱动装置，该装置包括保持物镜的保持部件; 至少一对驱动磁体相对于与光盘的切线平行的切线方向相对于保持部件的相对侧彼此面对地布置，驱动磁体具有突出的端部， 保持构件相对于与光盘的径向平行的跟踪方向; 以及多个驱动线圈，被配置为通过与所述驱动磁体的相互作用来驱动所述保持构件，所述驱动线圈中的至少一个相对于所述切线方向布置在所述驱动磁体的每一侧上。

公开(公告)号：US20080151737A1

公开(公告)日：2008-06-26

申请号：US11987773

申请日：2007-12-04

申请人： Goichi Akanuma ,  No-Cheol Park ,  Dong-Ju Lee ,  Myeong-Gyu Song ,  Yang-Hyun Seok

发明人： Goichi Akanuma ,  No-Cheol Park ,  Dong-Ju Lee ,  Myeong-Gyu Song ,  Yang-Hyun Seok

IPC分类号： G11B7/135

CPC分类号： G11B7/08582 ,  G11B7/0933 ,  G11B7/0935

摘要： An objective lens drive apparatus configured to drive an objective lens that focuses a laser beam on an optical disk is disclosed, the apparatus including a holding member that holds the objective lens; at least one pair of drive magnets arranged to face each other at opposite sides of the holding member with respect a tangential direction that is parallel to a tangential line of the optical disk, the drive magnets having protruding end portions that protrude from each side of the holding member with respect to a tracking direction that is parallel to a radial direction of the optical disk; and plural drive coils configured to drive the holding member through interaction with the drive magnets, at least one of the drive coils being arranged on each side of the drive magnets with respect to the tangential direction.

摘要翻译： 公开了一种被配置为驱动将激光聚焦在光盘上的物镜的物镜驱动装置，该装置包括保持物镜的保持部件; 至少一对驱动磁体相对于与光盘的切线平行的切线方向相对于保持部件的相对侧彼此面对地布置，驱动磁体具有从所述光盘的每一侧突出的突出端部 保持构件相对于与光盘的径向平行的跟踪方向; 以及多个驱动线圈，被配置为通过与所述驱动磁体的相互作用来驱动所述保持构件，所述驱动线圈中的至少一个相对于所述切线方向布置在所述驱动磁体的每一侧上。