利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

32 条记录 (耗时 0.027 秒)

    Optical pickup device with split hologram element that diffracts light in direction parallel to track
    1.
    发明授权
    Optical pickup device with split hologram element that diffracts light in direction parallel to track 失效
    具有分裂全息元件的光学拾取装置，其在平行于轨道的方向衍射光

    公开(公告)号：US5761174A

    公开(公告)日：1998-06-02

    申请号：US523147

    申请日：1995-09-05

    申请人： Tadashi Takeda ,  Yoshio Hayashi ,  Ikuo Kasuga ,  Kazuo Higashiura ,  Noriyuki Satoh ,  Hisahiro Ishihara

    发明人： Tadashi Takeda ,  Yoshio Hayashi ,  Ikuo Kasuga ,  Kazuo Higashiura ,  Noriyuki Satoh ,  Hisahiro Ishihara

    IPC分类号： G11B7/09 ,  G11B7/135

    CPC分类号： G11B7/0916 ,  G11B7/0903 ,  G11B7/0908 ,  G11B7/1353 ,  G11B7/1381

    摘要： An optical pickup device includes a light source irradiating a record medium with plural light spots of light emitted therefrom, a plurality of light detecting elelments to which reflected light of the light spots are guided, respectively, to adequately synthesize and compare outputs of said light detecting elements, thereby reading information recorded in tracks of the record medium, and detecting an tracking error and a focusing error, and a hologram element which splits light emitted from the light source into plural beams is disposed in an optical path between the light source and the record medium, said hologram element is split by a split line, said split line elongating in a direction perpendicular to a track of the medium on an optical axis, and a hologram pattern having a diffraction function which is substantially directed in the track direction is disposed on at least one side of said split line, thereby differentiating diffraction conditions on both sides of said split line from each other.

    摘要翻译： 一种光学拾取装置包括：一个光源，用于照射具有从其发出的光的多个光点的记录介质，分别引导光点的反射光的多个光检测元件，以充分合成并比较所述光检测的输出 从而读取记录在记录介质的轨道中的信息，并且检测跟踪误差和聚焦误差，并且将从光源发射的光分解成多个光束的全息元件设置在光源和光源之间的光路中 记录介质，所述全息元件被分割线分开，所述分割线在垂直于光轴上的介质的轨道的方向上延伸，并且设置具有基本上指向轨道方向的衍射函数的全息图图案 在所述分割线的至少一侧上，从而使所述分割线的两侧的衍射条件有差异 从彼此。

    Optical pickup device having a shielding protection
    2.
    发明授权
    Optical pickup device having a shielding protection 失效
    具有屏蔽保护的光学拾取装置

    公开(公告)号：US06445671B1

    公开(公告)日：2002-09-03

    申请号：US09343267

    申请日：1999-06-30

    申请人： Tadashi Takeda ,  Hisahiro Ishihara ,  Yoshio Hayashi ,  Taminori Masuzawa ,  Yuichi Takei

    发明人： Tadashi Takeda ,  Hisahiro Ishihara ,  Yoshio Hayashi ,  Taminori Masuzawa ,  Yuichi Takei

    IPC分类号： G11B7125

    CPC分类号： G11B7/123 ,  G11B7/22

    摘要： An optical pickup device includes a semiconductor laser for emitting forward and backward laser light from front and back emergent end faces thereof, focusing device for focusing the forward laser light emergent from the front emergent end face of said semiconductor laser onto an optical recording medium, a light-receiving element for signal reproduction for detecting return light from the optical recording medium, and a light-guiding system for guiding the return light to said light-receiving element for signal reproduction, said optical pickup device being provided with a light source unit having an arrangement in which said semiconductor laser and said light-receiving element for signal reproduction being incorporated in a common package and shielding device, disposed inside said package of said light source unit, for preventing the light emitted from said semiconductor laser from being incident upon said light-receiving element for signal reproduction.

    摘要翻译： 光拾取装置包括：半导体激光器，用于从前后出射端面发射前后激光;聚焦装置，用于将从所述半导体激光器的前端面出射的正向激光聚焦到光记录介质上;聚焦装置， 用于信号再现的光接收元件，用于检测来自光记录介质的返回光;以及光引导系统，用于将返回光引导到所述光接收元件进行信号再现，所述光学拾取装置设置有光源单元，该光源单元具有 其中所述半导体激光器和用于信号再现的所述光接收元件被结合在设置在所述光源单元的所述封装内的公共封装和屏蔽装置中，用于防止从所述半导体激光器发射的光入射到所述光源单元 用于信号再现的光接收元件。

    Optical pickup device
    3.
    发明授权
    Optical pickup device 失效

    公开(公告)号：US06577564B2

    公开(公告)日：2003-06-10

    申请号：US10194301

    申请日：2002-07-15

    申请人： Tadashi Takeda ,  Hisahiro Ishihara ,  Yoshio Hayashi ,  Taminori Masuzawa ,  Yuichi Takei

    发明人： Tadashi Takeda ,  Hisahiro Ishihara ,  Yoshio Hayashi ,  Taminori Masuzawa ,  Yuichi Takei

    IPC分类号： G11B7125

    CPC分类号： G11B7/123 ,  G11B7/22

    摘要： An optical pickup device includes a semiconductor laser for emitting forward and backward laser light from front and back emergent end faces thereof, focusing device for focusing the forward laser light emergent from the front emergent end face of said semiconductor laser onto an optical recording medium, a light-receiving element for signal reproduction for detecting return light from the optical recording medium, and a light-guiding system for guiding the return light to said light-receiving element for signal reproduction, said optical pickup device being provided with a light source unit having an arrangement in which said semiconductor laser and said light-receiving element for signal reproduction being incorporated in a common package and shielding device, disposed inside said package of said light source unit, for preventing the light emitted from said semiconductor laser from being incident upon said light-receiving element for signal reproduction.

    Lens drive device
    4.
    发明授权
    Lens drive device 有权
    镜头驱动装置

    公开(公告)号：US09042042B2

    公开(公告)日：2015-05-26

    申请号：US13510751

    申请日：2010-11-13

    申请人： Tatsuki Wade ,  Katsushige Yanagisawa ,  Shinji Minamisawa ,  Tadashi Takeda ,  Kiyoshi Miyazaki ,  Hisahiro Ishihara

    发明人： Tatsuki Wade ,  Katsushige Yanagisawa ,  Shinji Minamisawa ,  Tadashi Takeda ,  Kiyoshi Miyazaki ,  Hisahiro Ishihara

    IPC分类号： G02B7/02 ,  G03B5/00 ,  G02B7/08 ,  G02B27/64

    CPC分类号： G03B5/00 ,  G02B7/04 ,  G02B7/08 ,  G02B27/646

    摘要： The lens drive device is equipped with a first supporting body that holds the lens and is movable in the direction of the optical axis, a second supporting body that holds the first supporting body, a fixed body that holds the second supporting body in a manner enabling movement in directions that are roughly orthogonal to the optical axis direction, a first drive mechanism for driving the first supporting body, a second drive mechanism for driving the second supporting body in a first direction, and a third drive mechanism for driving the second supporting body in a second direction. The first supporting body is supported by the second supporting body by means of first supporting members which are formed from an elastic material; and the second supporting body is supported by the fixed body by means of second supporting members, which are formed from an elastic material.

    摘要翻译： 透镜驱动装置配备有保持透镜并且可沿光轴方向移动的第一支撑体，保持第一支撑体的第二支撑体，以能够支撑第二支撑体的方式固定第二支撑体的固定体 在大致正交于光轴方向的方向上的移动，用于驱动第一支撑体的第一驱动机构，用于沿第一方向驱动第二支撑体的第二驱动机构，以及用于驱动第二支撑体的第三驱动机构 在第二个方向。 第一支撑体通过由弹性材料形成的第一支撑构件由第二支撑体支撑; 并且第二支撑体通过由弹性材料形成的第二支撑构件由固定体支撑。

    OPTICAL UNIT WITH SHAKE CORRECTING FUNCTION
    9.
    发明申请
    OPTICAL UNIT WITH SHAKE CORRECTING FUNCTION 有权
    具有振动校正功能的光学单元

    公开(公告)号：US20120224840A1

    公开(公告)日：2012-09-06

    申请号：US13395945

    申请日：2010-09-10

    申请人： Shinji Minamisawa ,  Yoshihiro Hamada ,  Katsushige Yanagisawa ,  Shinroku Asakawa ,  Hisahiro Ishihara ,  Tadashi Takeda ,  Kiyoshi Miyazaki

    发明人： Shinji Minamisawa ,  Yoshihiro Hamada ,  Katsushige Yanagisawa ,  Shinroku Asakawa ,  Hisahiro Ishihara ,  Tadashi Takeda ,  Kiyoshi Miyazaki

    IPC分类号： G02B27/64 ,  G03B17/00

    CPC分类号： H04N5/23248 ,  G03B5/00 ,  H04N5/2253 ,  H04N5/23287

    摘要： Disclosed is an optical unit with a shake correction function which is capable of suppressing interference with swinging of a movable module due to the rigidity of a wiring material and a repelling force generated when the wiring material is deformed, even when the wiring material is extended from the movable module. The optical unit uses a flexible wiring board as the wiring material for electrically interconnecting the movable module and outside. In the flexible wiring board, the connecting portion of a movable-side connecting section and an extending unit is provided, in the optical axis direction, on a side where the swing center of the movable module is positioned with respect to the position of the center of supporting a spring member to the movable module. The swing center, the connecting portion, and a fixed-side connecting section are at the same position in the optical axis direction.

    摘要翻译： 公开了一种具有抖动校正功能的光学单元，即使当布线材料从布线材料延伸出来时，由于布线材料的刚性和布线材料变形时产生的排斥力，能够抑制可动模块的摆动的干扰 可移动模块。 光学单元使用柔性布线板作为使可动模块和外部电连接的布线材料。 在柔性布线板中，可移动侧连接部和延伸单元的连接部分在光轴方向上设置在可移动模块的摆动中心相对于中心位置的一侧 将弹簧构件支撑到可移动模块。 摆动中心，连接部和固定侧连接部位于光轴方向的同一位置。