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公开(公告)号：US20060198279A1
公开(公告)日：2006-09-07
申请号：US11418998
申请日：2006-05-05
申请人： Tatsuji Kurogama , Katsuya Yagi , Kiyono Ikenaka
发明人： Tatsuji Kurogama , Katsuya Yagi , Kiyono Ikenaka
IPC分类号： G11B7/135
CPC分类号： G11B7/1376 , G11B7/1275 , G11B2007/13727
摘要： An optical pickup apparatus includes: a first light source; a second light source; a third light source; an objective lens; a coupling lens; a light flux splitter; and a light-receiving element. The coupling lens is formed of two or more lenses in two or more groups, and at least one group of the lenses forming the coupling lens is arranged movably along an optical axis of the coupling lens. The each of the first to third light source and a light-receiving portion in the light-receiving element is optically conjugate each other through an information recording surface of the information recording medium when at least one group of the lenses in the coupling lens is positioned at the predefined position.
摘要翻译： 一种光学拾取装置，包括：第一光源; 第二光源; 第三光源; 物镜; 耦合透镜; 光通量分配器; 和光接收元件。 耦合透镜由两个或更多组的两个或更多个透镜形成，并且形成耦合透镜的至少一组透镜沿耦合透镜的光轴可移动地布置。 当耦合透镜中的至少一组透镜被定位时，第一至第三光源中的每一个和光接收元件中的光接收部分通过信息记录介质的信息记录表面彼此光学共轭 在预定义的位置。
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公开(公告)号：US20050105447A1
公开(公告)日：2005-05-19
申请号：US10984777
申请日：2004-11-10
申请人： Kiyono Ikenaka , Tatsuji Kurogama
发明人： Kiyono Ikenaka , Tatsuji Kurogama
CPC分类号： G11B7/1275 , G11B7/1353 , G11B7/1378 , G11B7/13922 , G11B7/13925 , G11B2007/0006
摘要： An optical pickup device includes an objective optical element through which light fluxes respectively with wavelengths λ1, λ2 and λ3 pass and a divergent angle-converting element that causes light fluxes respectively with wavelengths λ1, λ2 and λ3 pass through and causes at least q light flux with wavelength λ1 to emerge as a parallel light. A position of the divergent angle-converting element in the optical axis direction varies in the case of using the optical pickup apparatus depending on the occasion when a light flux with wavelength λ1 or λ2 passes through or on the occasion when a light flux with wavelength λ3 passes through.
摘要翻译： 光学拾取装置包括物镜光学元件，通过该对象光学元件分别具有波长λ1，λ2和λ3的光束通过，以及使分别具有波长λ1，λ2和λ3的光通量的发散角度转换元件通过并且至少导致q光通量 波长λ1出现为平行光。 发散角度转换元件在光轴方向上的位置在使用光学拾取装置的情况下根据波长λ1或λ2的光束通过的情况而变化，或者当波长为λ3的光通量时 经过。
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公开(公告)号：US07724634B2
公开(公告)日：2010-05-25
申请号：US11657089
申请日：2007-01-24
申请人： Tatsuji Kurogama , Kiyono Ikenaka
发明人： Tatsuji Kurogama , Kiyono Ikenaka
IPC分类号： G11B7/00
CPC分类号： G11B7/1353 , G11B7/1263 , G11B2007/0006
摘要： An optical pickup apparatus, comprising: a light source to emit a light flux; a light converging system including an objective lens to converge the light flux emitted from said light source onto an optical information recording medium; a first diffraction element placed within an optical path up to the optical information recording medium; a light flux splitting element that is placed within the optical path from said light source up to the optical information recording medium and that splits an incident light flux emitted by the light source; a monitor element that receives a light flux split by said light flux splitting element and outputs a signal according to a received light amount; a second diffraction element placed between said light flux splitting element and said monitor element; and a control section that controls the drive of said light source according to the signal from said monitor element.
摘要翻译： 一种光拾取装置，包括：发射光束的光源; 一种会聚系统，包括物镜，将从所述光源发射的光束会聚到光学信息记录介质上; 放置在光学信息记录介质的光路内的第一衍射元件; 光通量分离元件，其被放置在从所述光源到光信息记录介质的光路内，并且分解由光源发射的入射光束; 监视器元件，其接收由所述光束分离元件分离的光束并根据接收到的光量输出信号; 放置在所述光束分离元件和所述监视元件之间的第二衍射元件; 以及控制部，其根据来自所述监视元件的信号来控制所述光源的驱动。
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公开(公告)号：US20070177483A1
公开(公告)日：2007-08-02
申请号：US11657089
申请日：2007-01-24
申请人： Tatsuji Kurogama , Kiyono Ikenaka
发明人： Tatsuji Kurogama , Kiyono Ikenaka
IPC分类号： G11B7/00
CPC分类号： G11B7/1353 , G11B7/1263 , G11B2007/0006
摘要： An optical pickup apparatus, comprising: a light source to emit a light flux; a light converging system including an objective lens to converge the light flux emitted from said light source onto an optical information recording medium; a first diffraction element placed within an optical path up to the optical information recording medium; a light flux splitting element that is placed within the optical path from said light source up to the optical information recording medium and that splits an incident light flux emitted by the light source; a monitor element that receives a light flux split by said light flux splitting element and outputs a signal according to a received light amount; a second diffraction element placed between said light flux splitting element and said monitor element; and a control section that controls the drive of said light source according to the signal from said monitor element.
摘要翻译： 一种光拾取装置，包括：发射光束的光源; 一种会聚系统，包括物镜，将从所述光源发射的光束会聚到光学信息记录介质上; 放置在光学信息记录介质的光路内的第一衍射元件; 光通量分离元件，其被放置在从所述光源到光信息记录介质的光路内，并且分解由光源发射的入射光束; 监视器元件，其接收由所述光束分离元件分离的光束并根据接收到的光量输出信号; 放置在所述光束分离元件和所述监视元件之间的第二衍射元件; 以及控制部，其根据来自所述监视元件的信号来控制所述光源的驱动。
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公开(公告)号：US20050224693A1
公开(公告)日：2005-10-13
申请号：US11100387
申请日：2005-04-07
申请人： Kiyono Ikenaka , Tatsuji Kurogama , Mika Wachi
发明人： Kiyono Ikenaka , Tatsuji Kurogama , Mika Wachi
IPC分类号： G11B7/00 , G11B7/125 , G11B7/1275 , G11B7/1367 , G11B7/1374 , G11B7/1376 , G11B7/139 , G11B7/1392 , G02B7/04 , G01V8/00
CPC分类号： G11B7/13925 , G11B7/1275 , G11B7/1367 , G11B7/1374 , G11B7/1376 , G11B7/139 , G11B2007/0006
摘要： An optical pickup apparatus includes: a first light source for emitting a first light flux with a wavelength λ1 for recording and/or reproducing information on a first optical disc having a protective substrate with a thickness t1; a third light source for emitting a third light flux with a wavelength λ3 for recording and/or reproducing information on a third optical disc having a protective substrate with a thickness t3; and an objective lens arranged in a common optical path of the first light flux and the third light flux when the optical pickup apparatus records and/or reproduces information on each of the first and third optical discs, wherein the first light flux enters into the objective lens as a converging light flux, and a magnification m3 of the objective lens for a third light flux satisfies − 1/10≦m3
摘要翻译： 光拾取装置包括：第一光源，用于发射具有波长λ1的第一光通量，用于在具有厚度为t 1的保护基板的第一光盘上记录和/或再现信息; 第三光源，用于发射具有波长λ3的第三光通量，用于在具有厚度t 3的保护衬底的第三光盘上记录和/或再现信息; 以及当所述光学拾取装置在所述第一和第三光盘中的每一个上记录和/或再现信息时，布置在所述第一光束和所述第三光束的公共光路中的物镜，其中所述第一光通量进入所述目标 透镜作为会聚光束，并且用于第三光通量的物镜的倍率m 3满足-1 /10≤m3 <0。
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公开(公告)号：US20110122746A1
公开(公告)日：2011-05-26
申请号：US12946541
申请日：2010-11-15
CPC分类号： G11B7/1275 , G11B7/082 , G11B7/22 , G11B2007/0006
摘要： A method for assembling an optical pickup apparatus for recording/reproducing a high density DVD, DVD and CD including two objective lens and three laser light sources, the objective lenses being provided on the lens holder having an actuator base for supporting the actuator, the method for assembling the optical pickup apparatus comprises the steps of adjusting a first tilt angle of the actuator base so that a coma aberration of a spot formed by the first light beams decreases when the first light beams are converged onto the first recording medium via the first objective lens, and adjusting a second tilt angle formed between the second objective lens and the lens holder so that a coma aberration of a beam spot formed by the second light beams decreases when the second light beams are converged onto the second recording medium via the second objective lens.
摘要翻译： 一种组装用于记录/再现包括两个物镜和三个激光源的高密度DVD，DVD和CD的光学拾取装置的方法，所述物镜设置在具有用于支撑致动器的致动器基座的透镜保持器上，该方法 为了组装光学拾取装置包括以下步骤：调节致动器基座的第一倾斜角度，使得当第一光束经由第一物镜会聚在第一记录介质上时，由第一光束形成的光斑的彗形像差减小 并且调整形成在第二物镜和透镜保持器之间的第二倾斜角，使得当第二光束经由第二物镜会聚在第二记录介质上时，由第二光束形成的束斑的彗形像差减小 镜片。
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公开(公告)号：US20060018214A1
公开(公告)日：2006-01-26
申请号：US11181630
申请日：2005-07-13
IPC分类号： G11B7/00
CPC分类号： G11B7/1275 , G11B7/082 , G11B7/22 , G11B2007/0006
摘要： A method for assembling an optical pickup apparatus for recording/reproducing a high density DVD, DVD and CD including two objective lens and three laser light sources, the objective lenses being provided on the lens holder having an actuator base for supporting the actuator, the method for assembling the optical pickup apparatus comprises the steps of adjusting a first tilt angle of the actuator base so that a coma aberration of a spot formed by the first light beams decreases when the first light beams are converged onto the first recording medium via the first objective lens, and adjusting a second tilt angle formed between the second objective lens and the lens holder so that a coma aberration of a beam spot formed by the second light beams decreases when the second light beams are converged onto the second recording medium via the second objective lens.
摘要翻译： 一种组装用于记录/再现包括两个物镜和三个激光源的高密度DVD，DVD和CD的光学拾取装置的方法，所述物镜设置在具有用于支撑致动器的致动器基座的透镜保持器上，该方法 为了组装光学拾取装置包括以下步骤：调节致动器基座的第一倾斜角度，使得当第一光束经由第一物镜会聚在第一记录介质上时，由第一光束形成的光斑的彗形像差减小 并且调整形成在第二物镜和透镜保持器之间的第二倾斜角，使得当第二光束经由第二物镜会聚在第二记录介质上时，由第二光束形成的束斑的彗形像差减小 镜片。
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公开(公告)号：US08199616B2
公开(公告)日：2012-06-12
申请号：US12946541
申请日：2010-11-15
CPC分类号： G11B7/1275 , G11B7/082 , G11B7/22 , G11B2007/0006
摘要： A method for assembling an optical pickup apparatus for recording/reproducing a high density DVD, DVD and CD including two objective lens and three laser light sources, the objective lenses being provided on the lens holder having an actuator base for supporting the actuator, the method for assembling the optical pickup apparatus comprises the steps of adjusting a first tilt angle of the actuator base so that a coma aberration of a spot formed by the first light beams decreases when the first light beams are converged onto the first recording medium via the first objective lens, and adjusting a second tilt angle formed between the second objective lens and the lens holder so that a coma aberration of a beam spot formed by the second light beams decreases when the second light beams are converged onto the second recording medium via the second objective lens.
摘要翻译： 一种组装用于记录/再现包括两个物镜和三个激光源的高密度DVD，DVD和CD的光学拾取装置的方法，所述物镜设置在具有用于支撑致动器的致动器基座的透镜保持器上，该方法 为了组装光学拾取装置包括以下步骤：调节致动器基座的第一倾斜角度，使得当第一光束经由第一物镜会聚在第一记录介质上时，由第一光束形成的光斑的彗形像差减小 并且调整形成在第二物镜和透镜保持器之间的第二倾斜角，使得当第二光束经由第二物镜会聚在第二记录介质上时，由第二光束形成的束斑的彗形像差减小 镜片。
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公开(公告)号：US07929385B2
公开(公告)日：2011-04-19
申请号：US11175129
申请日：2005-07-05
IPC分类号： G11B7/00
CPC分类号： G11B7/1376 , G11B7/0937 , G11B7/13925 , G11B7/1398 , G11B2007/0006
摘要： An optical pickup apparatus for recording and/or reproducing information onto/or from information recording surface, the optical pickup apparatus comprises a laser light source, an objective lens for converging light beams from the laser light source onto the information recording surface through a protective layer of an optical information recording medium, an optical device for changing a divergence angle of incident light beams by moving in an optical axis direction, the optical device being arranged between the laser light source and the objective lens, a light receiving device for receiving light beams reflected by the information recording surface and passed through the objective lens, and a driving device capable of moving the optical device in a direction crossing the optical axis.
摘要翻译： 一种用于在信息记录表面上或从信息记录表面记录和/或再现信息的光学拾取装置，该光学拾取装置包括激光光源，用于将来自激光光源的光束通过保护层会聚到信息记录表面上的物镜 光学信息记录介质的光学装置，用于通过沿光轴方向移动来改变入射光束的发散角的光学装置，所述光学装置布置在激光光源和物镜之间，光接收装置，用于接收光束 由信息记录表面反射并通过物镜，以及能够沿与光轴交叉的方向移动光学装置的驱动装置。
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公开(公告)号：US07843777B2
公开(公告)日：2010-11-30
申请号：US11181630
申请日：2005-07-13
CPC分类号： G11B7/1275 , G11B7/082 , G11B7/22 , G11B2007/0006
摘要： A method for assembling an optical pickup apparatus for recording/reproducing a high density DVD, DVD and CD including two objective lens and three laser light sources, the objective lenses being provided on the lens holder having an actuator base for supporting the actuator, the method for assembling the optical pickup apparatus comprises the steps of adjusting a first tilt angle of the actuator base so that a coma aberration of a spot formed by the first light beams decreases when the first light beams are converged onto the first recording medium via the first objective lens, and adjusting a second tilt angle formed between the second objective lens and the lens holder so that a coma aberration of a beam spot formed by the second light beams decreases when the second light beams are converged onto the second recording medium via the second objective lens.
摘要翻译： 一种组装用于记录/再现包括两个物镜和三个激光源的高密度DVD，DVD和CD的光学拾取装置的方法，所述物镜设置在具有用于支撑致动器的致动器基座的透镜保持器上，该方法 为了组装光学拾取装置包括以下步骤：调节致动器基座的第一倾斜角度，使得当第一光束经由第一物镜会聚在第一记录介质上时，由第一光束形成的光斑的彗形像差减小 并且调整形成在第二物镜和透镜保持器之间的第二倾斜角，使得当第二光束经由第二物镜会聚在第二记录介质上时，由第二光束形成的束斑的彗形像差减小 镜片。
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