公开(公告)号：US07443771B2

公开(公告)日：2008-10-28

申请号：US11109661

申请日：2005-04-20

申请人： Seiichi Katou ,  Akio Yabe ,  Hidenao Saito

发明人： Seiichi Katou ,  Akio Yabe ,  Hidenao Saito

IPC分类号： G11B7/00

CPC分类号： G11B7/0935 ,  G11B7/0933

摘要： It is an object of this invention to increase the rigidity of a movable part and decrease its weight. An objective lens driving apparatus has an objective lens which focuses light on the recording surface of an optical disk. The objective lens is driven by focusing coils in directions approaching and receding from the optical disk and is driven by tracking coils in the radial direction of the optical disk. The objective lens is held by a lens holder. A projecting part projecting outward from the outer side surfaces of the lens holder is formed around the entire peripheral edge of the bottom surface of the lens holder.

摘要翻译： 本发明的一个目的是增加可动部件的刚度并减小其重量。 物镜驱动装置具有将光聚焦在光盘的记录面上的物镜。 物镜通过聚焦线圈在从光盘接近和退出的方向上驱动，并且通过在光盘的径向方向上的跟踪线圈驱动。 物镜由透镜架保持。 从透镜保持架的外侧表面向外突出的突出部分形成在透镜保持器的底表面的整个周边周围。

公开(公告)号：US07480108B2

公开(公告)日：2009-01-20

申请号：US11668058

申请日：2007-01-29

申请人： Seiichi Katou ,  Hidenao Saito ,  Akio Yabe ,  Yasushi Kinoshita

发明人： Seiichi Katou ,  Hidenao Saito ,  Akio Yabe ,  Yasushi Kinoshita

IPC分类号： G02B27/00

CPC分类号： G11B7/13925 ,  G11B7/1374 ,  G11B2007/0006 ,  G11B2007/0013 ,  G11B2007/13727

摘要： In a lens actuator on which a first lens and a second lens are mounted, since the first lens and the second lens are disposed side by side, a problem is involved such that the lens actuator is bulky. The present invention provides a lens actuator comprising a first lens and a second lens having different optical paths, disposed between a light emitting element and an object lens, a holder for holding the first lens and second lens such that the optical axes of the first lens and second lens are parallel to each other, and a driving mechanism for driving the first lens and second lens each in the optical axis directions, wherein the first lens and second lens have respective outer periphery parts respectively outside the effective diameter, and the outer periphery parts of the first lens and the second lens are disposed to be partially overlapped with each other when viewed from the first lens and second lens optical axis direction.

摘要翻译： 在其上安装有第一透镜和第二透镜的透镜致动器中，由于第一透镜和第二透镜并排设置，所以涉及到透镜致动器体积大的问题。 本发明提供一种透镜致动器，包括设置在发光元件和物镜之间的具有不同光路的第一透镜和第二透镜，用于保持第一透镜和第二透镜的保持器，使得第一透镜的光轴 和第二透镜彼此平行，以及用于沿光轴方向驱动第一透镜和第二透镜的驱动机构，其中第一透镜和第二透镜分别具有分别在有效直径的外侧的外周边部分和外周边 当从第一透镜和第二透镜光轴方向观察时，第一透镜和第二透镜的部分设置成彼此部分重叠。

公开(公告)号：US20050281144A1

公开(公告)日：2005-12-22

申请号：US11109661

申请日：2005-04-20

申请人： Seiichi Katou ,  Akio Yabe ,  Hidenao Saito

发明人： Seiichi Katou ,  Akio Yabe ,  Hidenao Saito

IPC分类号： G11B7/00 ,  G11B7/09

CPC分类号： G11B7/0935 ,  G11B7/0933

摘要： It is an object of this invention to increase the rigidity of a movable part and decrease its weight. An objective lens driving apparatus has an objective lens which focuses light on the recording surface of an optical disk. The objective lens is driven by focusing coils in directions approaching and receding from the optical disk and is driven by tracking coils in the radial direction of the optical disk. The objective lens is held by a lens holder. A projecting part projecting outward from the outer side surfaces of the lens holder is formed around the entire peripheral edge of the bottom surface of the lens holder.

摘要翻译： 本发明的一个目的是增加可动部件的刚度并减小其重量。 物镜驱动装置具有将光聚焦在光盘的记录面上的物镜。 物镜通过聚焦线圈在从光盘接近和退出的方向上驱动，并且通过在光盘的径向方向上的跟踪线圈驱动。 物镜由透镜架保持。 从透镜保持架的外侧表面向外突出的突出部分形成在透镜保持器的底表面的整个周边周围。

公开(公告)号：US08087038B2

公开(公告)日：2011-12-27

申请号：US11668034

申请日：2007-01-29

申请人： Yasushi Kinoshita ,  Seiichi Katou ,  Katsuhiko Kimura ,  Seiji Ono ,  Naomitsu Kuroda ,  Hidenao Saito

发明人： Yasushi Kinoshita ,  Seiichi Katou ,  Katsuhiko Kimura ,  Seiji Ono ,  Naomitsu Kuroda ,  Hidenao Saito

IPC分类号： G11B7/135

CPC分类号： G11B7/13925 ,  G11B7/1378 ,  G11B7/13922 ,  G11B7/13927 ,  G11B2007/0006 ,  G11B2007/13727

摘要： An aspect of the invention provides an optical pickup in which an optical axis is not displaced even if ambient temperature is changed. The optical pickup of the invention has an optical unit and an optical pickup case. The optical unit has a lens member having an optical axis, and the optical axis of the lens member is offset to one side from the center of the optical unit. The optical pickup case holds the optical unit from both sides. A thermal expansion amount of the optical unit is absorbed by compression amounts of a first adhesive and a second adhesive such that the optical axis of the lens member is not displaced when the optical unit is thermal expanded.

摘要翻译： 本发明的一个方面提供了一种光学拾取器，其中光轴即使环境温度改变也不会移动。 本发明的光拾取器具有光学单元和光拾取盒。 光学单元具有具有光轴的透镜构件，透镜构件的光轴偏离光学单元的中心一侧。 光拾取器盒从两侧保持光学单元。 光学单元的热膨胀量被第一粘合剂和第二粘合剂的压缩量吸收，使得当光学单元热膨胀时透镜构件的光轴不移位。

公开(公告)号：US07552455B2

公开(公告)日：2009-06-23

申请号：US11229559

申请日：2005-09-20

申请人： Katsuhiko Kimura ,  Seiichi Katou ,  Kazuyuki Fukuda ,  Hidenao Saito

发明人： Katsuhiko Kimura ,  Seiichi Katou ,  Kazuyuki Fukuda ,  Hidenao Saito

IPC分类号： G11B7/00

CPC分类号： G11B7/0932

摘要： The invention can obtain an excellent linear property in a focusing direction and a tracking direction and can obtain a stable operation, in an objective lens driving means of an optical pickup. In an optical pickup reading and writing an information with respect to an optical disc by using an objective lens, a movable portion mounting the objective lens thereon is supported by a support member constituted by a pair of flexible printed circuit boards respectively curved in opposite directions in a parallel direction to an optical axis of the objective lens so as to be movable with respect to a fixed portion, in both side surfaces of the movable portion facing with holding the objective lens therebetween.

摘要翻译： 本发明可以在光学拾取器的物镜驱动装置中获得聚焦方向和跟踪方向上的良好的线性特性并且可以获得稳定的操作。 在通过使用物镜读取和写入关于光盘的信息的光学拾取器中，将物镜安装在其上的可移动部分由支撑部件支撑，该支撑部件由分别在相反方向上弯曲的一对柔性印刷电路板构成 与物镜的光轴平行的方向，以能够相对于固定部分移动的可动部分的两侧表面中，并将物镜保持在其间。

公开(公告)号：US20080189726A1

公开(公告)日：2008-08-07

申请号：US11668034

申请日：2007-01-29

申请人： Yasushi Kinoshita ,  Seiichi Katou ,  Katsuhiko Kimura ,  Seiji Ono ,  Naomitsu Kuroda ,  Hidenao Saito

发明人： Yasushi Kinoshita ,  Seiichi Katou ,  Katsuhiko Kimura ,  Seiji Ono ,  Naomitsu Kuroda ,  Hidenao Saito

IPC分类号： G11B7/00

CPC分类号： G11B7/13925 ,  G11B7/1378 ,  G11B7/13922 ,  G11B7/13927 ,  G11B2007/0006 ,  G11B2007/13727

摘要： An aspect of the invention provides an optical pickup in which an optical axis is not displaced even if ambient temperature is changed. The optical pickup of the invention has an optical unit and an optical pickup case. The optical unit has a lens member having an optical axis, and the optical axis of the lens member is offset to one side from the center of the optical unit. The optical pickup case holds the optical unit from both sides. A thermal expansion amount of the optical unit is absorbed by compression amounts of a first adhesive and a second adhesive such that the optical axis of the lens member is not displaced when the optical unit is thermal expanded.

摘要翻译： 本发明的一个方面提供了一种光学拾取器，其中光轴即使环境温度改变也不会移动。 本发明的光拾取器具有光学单元和光拾取盒。 光学单元具有具有光轴的透镜构件，透镜构件的光轴偏离光学单元的中心一侧。 光拾取器盒从两侧保持光学单元。 光学单元的热膨胀量被第一粘合剂和第二粘合剂的压缩量吸收，使得当光学单元热膨胀时透镜构件的光轴不移位。

公开(公告)号：US07697381B2

公开(公告)日：2010-04-13

申请号：US11527478

申请日：2006-09-27

申请人： Seiichi Katou ,  Katsuhiko Kimura ,  Ryuichiro Mizuno ,  Hidenao Saito ,  Jun Hato

发明人： Seiichi Katou ,  Katsuhiko Kimura ,  Ryuichiro Mizuno ,  Hidenao Saito ,  Jun Hato

IPC分类号： G11B7/00

CPC分类号： G11B7/0932 ,  G11B7/0935 ,  G11B7/0956

摘要： An object lens drive unit in which an undesired displacement or inclination of an object lens with respect to an optical disc is reduced. The position at which a lens holder for the object lens is supported by a pair of rod-shaped elastic support members in the focusing direction substantially coincides with the center of the tracking coil in the focusing direction.

摘要翻译： 物镜驱动单元，其中物镜相对于光盘的不期望的位移或倾斜减小。 用于物镜的透镜保持器在聚焦方向上被一对棒状弹性支撑构件支撑的位置基本上与聚焦方向上的跟踪线圈的中心重合。

公开(公告)号：US20070189129A1

公开(公告)日：2007-08-16

申请号：US11527478

申请日：2006-09-27

申请人： Seiichi Katou ,  Katsuhiko Kimura ,  Ryuichiro Mizuno ,  Hidenao Saito ,  Jun Hato

发明人： Seiichi Katou ,  Katsuhiko Kimura ,  Ryuichiro Mizuno ,  Hidenao Saito ,  Jun Hato

IPC分类号： G11B7/00

CPC分类号： G11B7/0932 ,  G11B7/0935 ,  G11B7/0956

摘要： An object lens drive unit in which an undesired displacement or inclination of an object lens with respect to an optical disc is reduced. The position at which a lens holder for the object lens is supported by a pair of rod-shaped elastic support members in the focusing direction substantially coincides with the center of the tracking coil in the focusing direction.

摘要翻译： 物镜驱动单元，其中物镜相对于光盘的不期望的位移或倾斜减小。 用于物镜的透镜保持器在聚焦方向上被一对棒状弹性支撑构件支撑的位置基本上与聚焦方向上的跟踪线圈的中心重合。

公开(公告)号：US20080151397A1

公开(公告)日：2008-06-26

申请号：US11862228

申请日：2007-09-27

申请人： Yasushi Kinoshita ,  Hidenao Saito ,  Akio Yabe

发明人： Yasushi Kinoshita ,  Hidenao Saito ,  Akio Yabe

IPC分类号： G02B7/04

CPC分类号： G02B7/08 ,  G02B27/0068 ,  G11B7/13925 ,  G11B7/22

摘要： In an optical pickup, it is configured such that a first and a second thrust bearings of a motor rotation shaft, a lens holder to be moved in a thrust direction by the motor rotation shaft, and a preload unit which exerts preload of the thrust direction on the lens holder are included, and the second thrust bearing can adjust a position in the thrust direction. In addition, the first and second thrust bearings and the motor rotation shaft are made of conductor, and the optical pickup is manufactured by including the processes of: moving the second thrust bearing in a direction approaching to the motor rotation shaft till electrical continuity between the first thrust bearing and the second thrust bearing is obtained using an electrical continuity checker; subsequently moving the second thrust bearing in a direction departing from the motor rotation shaft; and subsequently fixing the second thrust bearing to the base.

摘要翻译： 在光学拾取器中，其构造成使得电动机旋转轴的第一和第二推力轴承，通过电动机旋转轴沿推力方向移动的透镜保持器和施加推力方向的预载的预压单元 包括透镜架，第二推力轴承可以调节推力方向上的位置。 此外，第一推力轴承和第二推力轴承以及电动机旋转轴由导体构成，光拾取器通过以下处理来制造：将第二推力轴承沿接近马达旋转轴的方向移动，直到第 第一推力轴承和第二推力轴承使用电气连续性检查器获得; 随后沿着离开电动机旋转轴的方向移动第二推力轴承; 并随后将第二止推轴承固定到基座。

公开(公告)号：US07486452B2

公开(公告)日：2009-02-03

申请号：US11862228

申请日：2007-09-27

申请人： Yasushi Kinoshita ,  Hidenao Saito ,  Akio Yabe

发明人： Yasushi Kinoshita ,  Hidenao Saito ,  Akio Yabe

IPC分类号： G02B7/02 ,  G11B7/00

CPC分类号： G02B7/08 ,  G02B27/0068 ,  G11B7/13925 ,  G11B7/22

摘要： In an optical pickup, it is configured such that a first and a second thrust bearings of a motor rotation shaft, a lens holder to be moved in a thrust direction by the motor rotation shaft, and a preload unit which exerts preload of the thrust direction on the lens holder are included, and the second thrust bearing can adjust a position in the thrust direction. In addition, the first and second thrust bearings and the motor rotation shaft are made of conductor, and the optical pickup is manufactured by including the processes of: moving the second thrust bearing in a direction approaching to the motor rotation shaft till electrical continuity between the first thrust bearing and the second thrust bearing is obtained using an electrical continuity checker; subsequently moving the second thrust bearing in a direction departing from the motor rotation shaft; and subsequently fixing the second thrust bearing to the base.

摘要翻译： 在光学拾取器中，其构造成使得电动机旋转轴的第一和第二推力轴承，通过电动机旋转轴在推力方向上移动的透镜保持器和施加推力方向的预载的预压单元 包括透镜架，第二推力轴承可以调节推力方向上的位置。 此外，第一推力轴承和第二推力轴承以及电动机旋转轴由导体构成，光拾取器通过以下处理来制造：将第二推力轴承沿接近马达旋转轴的方向移动，直到第 第一推力轴承和第二推力轴承使用电气连续性检查器获得; 随后沿着离开电动机旋转轴的方向移动第二推力轴承; 并随后将第二止推轴承固定到基座。