公开(公告)号：US20080106810A1

公开(公告)日：2008-05-08

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： G02B7/04

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：US20080068972A1

公开(公告)日：2008-03-20

申请号：US11978660

申请日：2007-10-30

申请人： Akio Yabe ,  Toshio Sugiyama ,  Daisuke Tomita ,  Kazuhiro Todori ,  Takashi Tayama

发明人： Akio Yabe ,  Toshio Sugiyama ,  Daisuke Tomita ,  Kazuhiro Todori ,  Takashi Tayama

IPC分类号： G11B7/00

CPC分类号： G11B7/1275 ,  G11B7/12 ,  G11B7/1356 ,  G11B2007/0006

摘要： An optical pick-up apparatus having a plurality of light sources emitting light fluxes having different wavelengths from each other, an objective lens for focusing each of the light fluxes emitted from a plurality of light sources onto the information recording surface of the information recording medium, and an optical element reflecting a first light flux input from a predetermined direction, and a second light flux input from a different position in the direction of the optical axis of the objective lens in an inverse side to the side to which the first light flux is input, approximately in parallel to the direction of the optical axis of the objective lens.

摘要翻译： 一种光拾取装置，具有发射彼此不同波长的光束的多个光源，用于将从多个光源发射的每个光束聚焦到信息记录介质的信息记录表面上的物镜， 以及反射从预定方向输入的第一光束的光学元件和从物镜的光轴方向上的不同位置输入的第二光束，该第二光束与第一光束的相反侧成反比 大致平行于物镜的光轴的方向输入。

公开(公告)号：US20080068971A1

公开(公告)日：2008-03-20

申请号：US11978659

申请日：2007-10-30

申请人： Akio Yabe ,  Toshio Sugiyama ,  Daisuke Tomita ,  Kazuhiro Todori ,  Takashi Tayama

发明人： Akio Yabe ,  Toshio Sugiyama ,  Daisuke Tomita ,  Kazuhiro Todori ,  Takashi Tayama

IPC分类号： G11B7/00

CPC分类号： G11B7/1275 ,  G11B7/12 ,  G11B7/1356 ,  G11B2007/0006

摘要： An optical pick-up apparatus having a plurality of light sources emitting light fluxes having different wavelengths from each other, an objective lens for focusing each of the light fluxes emitted from a plurality of light sources onto the information recording surface of the information recording medium, and an optical element reflecting a first light flux input from a predetermined direction, and a second light flux input from a different position in the direction of the optical axis of the objective lens in an inverse side to the side to which the first light flux is input, approximately in parallel to the direction of the optical axis of the objective lens.

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：US5621576A

公开(公告)日：1997-04-15

申请号：US249231

申请日：1994-05-25

申请人： Yoshiaki Yamauchi ,  Shozo Saegusa ,  Atsushi Ichikawa ,  Akio Yabe ,  Akira Saito ,  Hiromitu Mori

发明人： Yoshiaki Yamauchi ,  Shozo Saegusa ,  Atsushi Ichikawa ,  Akio Yabe ,  Akira Saito ,  Hiromitu Mori

IPC分类号： G11B7/09 ,  G11B11/10 ,  G11B11/105 ,  G02B7/02 ,  G11B7/095

CPC分类号： G11B7/0935 ,  G11B7/0932 ,  G11B7/0933 ,  G11B7/0946

摘要： An optical head for a recording device in which data are recorded on a recording surface of an optical memory disk, comprises, a head body which is substantially prevented from moving perpendicularly to the recording surface and is movable to be positioned roughly along the recording surface, an object lens for focussing a light beam on the recording surface, a carriage on which the object lens is mounted and which is movable to be positioned precisely along the recording surface, a drive base member for generating a force substantially parallel to the recording surface between the drive base member and the carriage to position precisely the carriage along the recording surface, and an elastic member for connecting the drive base member to the head body to support the drive base member relative to the head body elastically in a direction substantially parallel to the recording surface, joining areas between the elastic member and the drive base member and between the elastic member and the head body are aligned substantially straightly.

摘要翻译： 数据被记录在光学存储盘的记录表面上的用于记录装置的光学头包括：主体，其基本上被防止垂直于记录表面移动并且可移动以沿着记录表面大致定位; 用于将光束聚焦在记录表面上的物镜，其上安装有物镜并且能够沿着记录表面精确定位的滑架，用于产生基本上平行于记录表面的力的驱动基座部件， 所述驱动基座构件和滑架沿着记录表面精确地定位滑架，以及弹性构件，用于将驱动基座构件连接到头本体，以在基本上平行于主体的方向上相对于头本体弹性地支撑驱动基座构件 记录表面，弹性构件和驱动基座构件之间以及弹性构件之间的接合区域 头部主体基本上直线对齐。

公开(公告)号：US08064299B2

公开(公告)日：2011-11-22

申请号：US12856734

申请日：2010-08-16

申请人： Jun Hato ,  Akio Yabe ,  Kazuhiro Todori ,  Daisuke Tomita

发明人： Jun Hato ,  Akio Yabe ,  Kazuhiro Todori ,  Daisuke Tomita

IPC分类号： G11B7/00

CPC分类号： G11B7/135

摘要： In an optical pick-up used in common with DVD/CD and BD, when the thickness is intended to be reduced by mounting a total reflection mirror, a cavity for passing through a laser light is necessary and, since this decreases the degree of freedom for arranging tracking coils and magnets and secondary resonance caused by a magnetic thrust in the tracking direction tends to be generated, an improvement therefor is necessary. In a lens coil holder of the optical pick-up having an objective lens and tracking coil mounted thereon each of the coils is arranged such that the thrust relative to the vertical center of the suspension wires that support the lens coil holder is well balanced. For example, most of the portion of the tracking coils is situated at one height relative to the suspension wire and the tilt coil is situated at the other remaining height.

摘要翻译： 在与DVD / CD和BD共同使用的光学拾取器中，当通过安装全反射镜来减小厚度时，需要用于穿过激光的空腔，并且因为这降低了自由度 为了排列跟踪线圈和磁体，并且倾向于产生由跟踪方向上的磁力推力引起的次级共振，因此需要进行改进。 在具有安装在其上的每个线圈的物镜和跟踪线圈的光学拾取器的透镜线圈保持器被布置成使得相对于支撑透镜线圈架的悬挂线的竖直中心的推力平衡良好。 例如，跟踪线圈的大部分位于相对于悬挂线的一个高度处，并且倾斜线圈位于另一个剩余高度。

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。

公开(公告)号：US06608802B1

公开(公告)日：2003-08-19

申请号：US09528756

申请日：2000-03-17

申请人： Nobuyuki Maeda ,  Shinya Fujimori ,  Seiichi Kato ,  Michio Miura ,  Akio Yabe

发明人： Nobuyuki Maeda ,  Shinya Fujimori ,  Seiichi Kato ,  Michio Miura ,  Akio Yabe

IPC分类号： G11B700

CPC分类号： G11B7/0933 ,  G11B7/0935 ,  G11B2007/0006

摘要： According to the invention, techniques for minimizing power consumption in optical disk drives. Embodiments according to the present invention can provide disk drives with optimal positioning of a fixing part of an objective lens driving unit incorporated therein. Spatial location of magnets can also be determined in order to reduce the power consumption and the torsion of the lens.

摘要翻译： 根据本发明，用于最小化光盘驱动器中的功耗的技术。 根据本发明的实施例可以提供具有并入其中的物镜驱动单元的固定部分的最佳定位的盘驱动器。 也可以确定磁体的空间位置，以减少功率消耗和透镜扭转。

公开(公告)号：US4752117A

公开(公告)日：1988-06-21

申请号：US922348

申请日：1986-10-23

申请人： Atsushi Ichikawa ,  Masayuki Abe ,  Akio Yabe ,  Hideo Onuki ,  Shigefumi Hida

发明人： Atsushi Ichikawa ,  Masayuki Abe ,  Akio Yabe ,  Hideo Onuki ,  Shigefumi Hida

IPC分类号： G11B7/09 ,  G02B7/02 ,  G02B7/11

CPC分类号： G11B7/093

摘要： Disclosed is a device for driving an objective lens of an optical disk apparatus in both the tracking direction and the focusing direction. The device comprises a rocker arm supported rotatably and axially slidably by a supporting shaft and carrying the objective lens on its front end, a pair of first coils disposed on both sides respectively of an end on rear end of the rocker arm remote from the front end carrying the objective lens for driving the objective lens in the tracking direction, and a second coil mounted to the lower surface of the rocker arm for driving the objective lens in the focusing direction. A pair of magnets for producing a magnetic field for driving the objective lens in the focusing direction and a magnetic field for driving the objective lens in the tracking direction are mounted to a pair of yokes erected on both sides of the supporting shaft respectively. Current is supplied to the first coils to produce moments of rotation rotating the rocker arm thereby driving the objective lens in the tracking direction, and current is supplied to the second coil to move the rocker arm in the axial direction of the supporting shaft thereby driving the objective lens in the focusing direction.

摘要翻译： 公开了一种用于在跟踪方向和聚焦方向上驱动光盘装置的物镜的装置。 该装置包括摇臂，该摇臂由支撑轴可旋转地和轴向可滑动地支撑并在其前端承载物镜;一对第一线圈，分别设置在远离前端的摇臂后端的端部 携带用于在跟踪方向上驱动物镜的物镜，以及安装在摇臂的下表面的第二线圈，用于在聚焦方向上驱动物镜。 一对用于产生用于沿聚焦方向驱动物镜的磁场的磁体和用于沿跟踪方向驱动物镜的磁场分别安装在支撑轴的两侧竖立的一对轭架上。 电流被提供给第一线圈以产生旋转摇臂的转矩，从而沿跟踪方向驱动物镜，并且电流被供应到第二线圈，以沿着支撑轴的轴向移动摇臂，从而驱动 物镜在聚焦方向。

公开(公告)号：US20110182166A1

公开(公告)日：2011-07-28

申请号：US12862995

申请日：2010-08-25

申请人： Daisuke TOMITA ,  Akio Yabe ,  Kazuhiro Todori ,  Jun Hato

发明人： Daisuke TOMITA ,  Akio Yabe ,  Kazuhiro Todori ,  Jun Hato

IPC分类号： G11B7/135

CPC分类号： G11B7/13925 ,  G11B2007/0013

摘要： An optical pickup that can be downsized is suggested.The optical pickup includes: a collimator lens positioned on an optical path of a laser beam between a laser diode and an objective lens; and a collimator lens moving unit for moving the collimator lens along the optical path of the laser beam in a direction approaching the objective lens or a direction moving away from the objective lens; wherein a reference position of the collimator lens where the laser beam which has transmitted the collimator lens becomes parallel rays is set at an end or an approximately end of a movable range of the collimator lens that is closest to the objective lens; and wherein the objective lens is formed so that spherical aberration occurring in the laser beam which is made to converge on an outermost recording layer of the multilayered optical disc that is closest to the objective lens can be cancelled by spherical aberration occurring in the laser beam entering the objective lens through the collimator lens located at the reference position.

摘要翻译： 建议可以减小尺寸的光学拾取器。 光拾取器包括：位于激光二极管和物镜之间的激光束的光路上的准直透镜; 以及准直透镜移动单元，用于沿着接近物镜的方向沿着激光束的光路移动准直透镜或者离开物镜移动的方向; 其中将准直透镜的激光束变成平行光的准直透镜的基准位置设定在最接近物镜的准直透镜的可动范围的端部或近端; 并且其中物镜被形成为使得在激光束中发生的会聚在最接近物镜的多层光盘的最外面的记录层上的球面像差可以通过在入射的激光束中出现的球面像差来消除 物镜通过位于参考位置的准直透镜。