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公开(公告)号：US07570547B2
公开(公告)日：2009-08-04
申请号：US11507002
申请日：2006-08-21
IPC分类号： G11B7/00
CPC分类号： G11B7/0935 , G11B7/1353 , G11B7/1374 , G11B2007/0006
摘要： An objective lens unit, includes: an objective lens for irradiating and converging laser light on an optical disc as an a light information recording medium; and a lens frame for retaining the objective lens, wherein the lens frame is structured so that at least a portion closer to a rotation center of the optical disc is offset to an inner side of the lens frame with regards to a virtual edge section closer to the rotation center of the optical disc, wherein the virtual edge section is in a nodal line of a virtual plane that includes an end face which is closest to the optical disc in the lens frame and the objective lens, and that is perpendicular to an optical axis and a virtual rotation curved surface that is obtained when a virtual straight line passing a portion which is farthest from the optical axis in the lens frame and the objective lens, in parallel with the optical axis, is rotated around the optical axis as a center axis.
摘要翻译： 一种物镜单元，包括：用于将激光照射并会聚在作为光信息记录介质的光盘上的物镜; 以及用于保持物镜的透镜框架，其中，所述透镜框架被构造成使得靠近所述光盘的旋转中心的至少一部分相对于靠近所述透镜框架的虚拟边缘部分偏移到所述透镜框架的内侧 光盘的旋转中心，其中虚拟边缘部分在虚拟平面的节点线中，虚拟平面包括最靠近透镜框架和物镜中的光盘的端面，并且垂直于光学 并且当通过透镜框中的光轴最远的部分的虚拟直线和与光轴平行的物镜时，虚拟直线以围绕光轴为中心旋转而获得的虚拟旋转曲面 轴。
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公开(公告)号：US20070067788A1
公开(公告)日：2007-03-22
申请号：US11507002
申请日：2006-08-21
IPC分类号： G11B7/00
CPC分类号： G11B7/0935 , G11B7/1353 , G11B7/1374 , G11B2007/0006
摘要： An objective lens unit, includes: an objective lens for irradiating and converging laser light on an optical disc as an a light information recording medium; and a lens frame for retaining the objective lens, wherein the lens frame is structured so that at least a portion closer to a rotation center of the optical disc is offset to an inner side of the lens frame with regards to a virtual edge section closer to the rotation center of the optical disc, wherein the virtual edge section is in a nodal line of a virtual plane that includes an end face which is closest to the optical disc in the lens frame and the objective lens, and that is perpendicular to an optical axis and a virtual rotation curved surface that is obtained when a virtual straight line passing a portion which is farthest from the optical axis in the lens frame and the objective lens, in parallel with the optical axis, is rotated around the optical axis as a center axis.
摘要翻译： 一种物镜单元，包括：用于将激光照射并会聚在作为光信息记录介质的光盘上的物镜; 以及用于保持物镜的透镜框架，其中，所述透镜框架被构造成使得靠近所述光盘的旋转中心的至少一部分相对于靠近所述透镜框架的虚拟边缘部分偏移到所述透镜框架的内侧 光盘的旋转中心，其中虚拟边缘部分在虚拟平面的节点线中，虚拟平面包括最靠近透镜框架和物镜中的光盘的端面，并且垂直于光学 并且当通过透镜框中的光轴最远的部分的虚拟直线和与光轴平行的物镜时，虚拟直线以围绕光轴为中心旋转而获得的虚拟旋转曲面 轴。
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公开(公告)号：US06894849B2
公开(公告)日：2005-05-17
申请号：US10685464
申请日：2003-10-16
申请人： Shogo Yamamoto , Hiroyuki Hattori , Etsuzo Kurihara , Shinichiro Saito , Takashi Matsumaru , Taichiro Saito , Kazuo Ishida , Yuichi Atarashi , Norikazu Arai
发明人： Shogo Yamamoto , Hiroyuki Hattori , Etsuzo Kurihara , Shinichiro Saito , Takashi Matsumaru , Taichiro Saito , Kazuo Ishida , Yuichi Atarashi , Norikazu Arai
IPC分类号： B29C45/27 , B29D11/00 , C03B11/08 , G02B3/04 , G11B7/135 , G11B7/22 , G11B11/105 , G02B7/02 , G02B3/00
CPC分类号： G11B7/1374 , B29C45/27 , B29D11/00009 , B29D11/00432 , B29L2011/0016 , C03B11/08 , C03B2215/404 , C03B2215/49 , G02B3/04 , G11B7/22 , G11B11/10543 , Y02P40/57
摘要： An objective lens for use in an optical pickup apparatus for conducting recording and/or reproducing information for an optical information recording medium, has a lens section shaped in an approximate circle and including a flange section; and a connecting section integrally provided to the lens section. The objective lens satisfies the following conditional formulas: 0.5≦A≦2.0, 0.3A≦B≦1.7A where A is a diameter of the lens section when the lens section is viewed from an direction of an optical axis, and B is a width of the connecting section when the connecting section is viewed from the direction of the optical axis.
摘要翻译： 用于对光学信息记录介质进行记录和/或再现信息的光学拾取装置中的物镜具有近似圆形且包括凸缘部分的透镜部分; 以及与透镜部一体地设置的连接部。 物镜满足以下条件式：<？in-line-formula description =“In-line formula”end =“lead”？> 0.5 <= A <= 2.0,0.3A <= B <= 1.7A < in-line-formula description =“In-line Formulas”end =“tail”？>其中A是当从光轴方向观察透镜部分时透镜部分的直径，B是 当从光轴的方向观察连接部分时，连接部分。
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公开(公告)号：US07468849B2
公开(公告)日：2008-12-23
申请号：US11986932
申请日：2007-11-26
IPC分类号： G02B7/02
CPC分类号： G11B7/13925 , G02B13/00 , G11B7/1275 , G11B7/1353 , G11B7/1374 , G11B2007/0006
摘要： An object lens unit for an optical pickup device is disclosed. The object lens unit includes a first optical element facing an optical information recording medium; a second optical element positioned on a light source side of the first optical element; and a frame in which the first optical element and the second optical element are fixed. The frame includes a first fitting portion and a second fitting portion, and has a prescribed clearance in a perpendicular direction to the optical axis between at least one of the first fitting portion of the frame and the first optical element, and the second fitting portion of the frame and the second optical element to adjust a position of at least one of the first optical element and the second optical element in a perpendicular direction to the optical axis. An optical pickup device including such object lens unit is also disclosed.
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公开(公告)号：US20080253002A1
公开(公告)日：2008-10-16
申请号：US11986807
申请日：2007-11-26
IPC分类号： G02B7/02
CPC分类号： G11B7/13925 , G02B13/00 , G11B7/1275 , G11B7/1353 , G11B7/1374 , G11B2007/0006
摘要： An object lens unit for an optical pickup device is disclosed. The object lens unit includes a first optical element positioned facing an optical information recording medium; a second optical element positioned on a light source side of the first optical element; and a frame in which the first optical element and the second optical element are fixed. The frame includes a first fitting portion and a second fitting portion, and has a prescribed clearance in a perpendicular direction to the optical axis between at least one of the first fitting portion of the frame and the first optical element, and the second fitting portion of the frame and the second optical element to adjust a position of at least one of the first optical element and the second optical element in a perpendicular direction to the optical axis. An optical pickup device including such object lens unit is also disclosed.
摘要翻译： 公开了一种用于光学拾取装置的物镜单元。 物镜单元包括面向光信息记录介质的第一光学元件; 位于所述第一光学元件的光源侧的第二光学元件; 以及第一光学元件和第二光学元件固定的框架。 框架包括第一装配部分和第二装配部分，并且在框架的第一装配部分和第一光学元件中的至少一个与第一装配部分之间具有与光轴垂直的方向上的规定间隙， 所述框架和所述第二光学元件在与所述光轴垂直的方向上调整所述第一光学元件和所述第二光学元件中的至少一个的位置。 还公开了包括这种物镜单元的光学拾取装置。
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公开(公告)号：US20060056074A1
公开(公告)日：2006-03-16
申请号：US11221657
申请日：2005-09-08
IPC分类号： G02B9/00
CPC分类号： G11B7/13925 , G02B13/00 , G11B7/1275 , G11B7/1353 , G11B7/1374 , G11B2007/0006
摘要： An object lens unit for an optical pickup comprising: a first optical element positioned facing an optical information recording medium; a second optical element positioned on a light source side of the first optical element; and a frame which has a first reference surface in contact with the first optical element to position the first optical element in an optical axis direction and a second reference surface in contact with the second optical element to position the second optical element in the optical axis direction so that the first optical element and the second optical element are fixed to be integrated with the frame, wherein the first optical element, the second optical element and the frame are attached, as a single optical component, to another member.
摘要翻译： 一种用于光学拾取器的物镜单元，包括：面对光学信息记录介质的第一光学元件; 位于所述第一光学元件的光源侧的第二光学元件; 以及框架，其具有与第一光学元件接触以将第一光学元件沿光轴方向定位的第一参考表面和与第二光学元件接触的第二参考表面，以将第二光学元件定位在光轴方向上 使得第一光学元件和第二光学元件固定成与框架一体化，其中第一光学元件，第二光学元件和框架作为单个光学部件附接到另一个构件。
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7.发明授权Optical pickup lens, molded optical component, handling method, and mold for optical component 失效光学拾取镜头，模制光学部件，处理方法和用于光学部件的模具公开(公告)号：US07012767B2
公开(公告)日：2006-03-14
申请号：US10774615
申请日：2004-02-10
申请人： Shogo Yamamoto , Hiroyuki Hattori , Etsuzo Kurihara , Shinichiro Saito , Takashi Matsumaru , Taichiro Saito , Kazuo Ishida , Yuichi Atarashi , Norikazu Arai
发明人： Shogo Yamamoto , Hiroyuki Hattori , Etsuzo Kurihara , Shinichiro Saito , Takashi Matsumaru , Taichiro Saito , Kazuo Ishida , Yuichi Atarashi , Norikazu Arai
CPC分类号： C03B11/08 , B29C45/27 , B29D11/00009 , B29D11/00432 , B29L2011/0016 , C03B2215/404 , C03B2215/49 , G02B3/04 , G11B7/1374 , G11B7/22 , Y02P40/57
摘要： An objective lens for use in an optical pickup apparatus for conducting recording and/or reproducing information for an optical information recording medium, has a lens section shaped in an approximate circle and including a flange section; and a projecting section integrally provided to the lens section. The objective lens satisfies the following conditional formulas: 0.5≦A≦2.0, 0.3A≦B≦1.7A where A is a diameter (mm) of the lens section when the lens section is viewed from an direction of an optical axis, and B is a width (mm) of the projecting section when the connecting section is viewed from the direction of the optical axis.
摘要翻译： 用于对光学信息记录介质进行记录和/或再现信息的光学拾取装置中的物镜具有近似圆形且包括凸缘部分的透镜部分; 以及与透镜部一体地设置的突出部。 物镜满足以下条件式：<？in-line-formula description =“In-line formula”end =“lead”？> 0.5 <= A <= 2.0,0.3A <= B <= 1.7A < 在线公式描述=“在线公式”end =“tail”？>其中A是当从光轴的方向观察透镜部分时透镜部的直径（mm），B是 当从光轴的方向观察连接部时，突出部的宽度（mm）。
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公开(公告)号：US20080094737A1
公开(公告)日：2008-04-24
申请号：US11986932
申请日：2007-11-26
CPC分类号： G11B7/13925 , G02B13/00 , G11B7/1275 , G11B7/1353 , G11B7/1374 , G11B2007/0006
摘要： An object lens unit for an optical pickup device is disclosed. The object lens unit includes a first optical element facing an optical information recording medium; a second optical element positioned on a light source side of the first optical element; and a frame in which the first optical element and the second optical element are fixed. The frame includes a first fitting portion and a second fitting portion, and has a prescribed clearance in a perpendicular direction to the optical axis between at least one of the first fitting portion of the frame and the first optical element, and the second fitting portion of the frame and the second optical element to adjust a position of at least one of the first optical element and the second optical element in a perpendicular direction to the optical axis. An optical pickup device including such object lens unit is also disclosed.
摘要翻译： 公开了一种用于光学拾取装置的物镜单元。 物镜单元包括面向光信息记录介质的第一光学元件; 位于所述第一光学元件的光源侧的第二光学元件; 以及第一光学元件和第二光学元件固定的框架。 框架包括第一装配部分和第二装配部分，并且在框架的第一装配部分和第一光学元件中的至少一个与第一装配部分之间具有与光轴垂直的方向上的规定间隙， 所述框架和所述第二光学元件在与所述光轴垂直的方向上调整所述第一光学元件和所述第二光学元件中的至少一个的位置。 还公开了包括这种物镜单元的光学拾取装置。
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公开(公告)号：US07301713B2
公开(公告)日：2007-11-27
申请号：US11221657
申请日：2005-09-08
IPC分类号： G02B7/02
CPC分类号： G11B7/13925 , G02B13/00 , G11B7/1275 , G11B7/1353 , G11B7/1374 , G11B2007/0006
摘要： An object lens unit for an optical pickup comprising: a first optical element positioned facing an optical information recording medium; a second optical element positioned on a light source side of the first optical element; and a frame which has a first reference surface in contact with the first optical element to position the first optical element in an optical axis direction and a second reference surface in contact with the second optical element to position the second optical element in the optical axis direction so that the first optical element and the second optical element are fixed to be integrated with the frame, wherein the first optical element, the second optical element and the frame are attached, as a single optical component, to another member.
摘要翻译： 一种用于光学拾取器的物镜单元，包括：面对光学信息记录介质的第一光学元件; 位于所述第一光学元件的光源侧的第二光学元件; 以及框架，其具有与第一光学元件接触以将第一光学元件沿光轴方向定位的第一参考表面和与第二光学元件接触的第二参考表面，以将第二光学元件定位在光轴方向上 使得第一光学元件和第二光学元件固定成与框架一体化，其中第一光学元件，第二光学元件和框架作为单个光学部件附接到另一个构件。
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10.发明授权Optical pickup lens, molded optical component, handling method, and mold for optical component 失效光学拾取镜头，模制光学部件，处理方法和用于光学部件的模具公开(公告)号：US06765732B2
公开(公告)日：2004-07-20
申请号：US10206187
申请日：2002-07-29
申请人： Shogo Yamamoto , Hiroyuki Hattori , Etsuzo Kurihara , Shinichiro Saito , Takashi Matsumaru , Taichiro Saito , Kazuo Ishida , Yuichi Atarashi , Norikazu Arai
发明人： Shogo Yamamoto , Hiroyuki Hattori , Etsuzo Kurihara , Shinichiro Saito , Takashi Matsumaru , Taichiro Saito , Kazuo Ishida , Yuichi Atarashi , Norikazu Arai
IPC分类号： G02B302
CPC分类号： G11B7/1374 , B29C45/27 , B29D11/00009 , B29D11/00432 , B29L2011/0016 , C03B11/08 , C03B2215/404 , C03B2215/49 , G02B3/04 , G11B7/22 , G11B11/10543 , Y02P40/57
摘要： An objective lens for use in an optical pickup apparatus for conducting recording and/or reproducing information for an optical information recording medium, has a lens section shaped in an approximate circle and including a flange section; and a connecting section integrally provided to the lens section. The objective lens satisfies the following conditional formulas: 0.5≦A≦2.0, 0.3A≦B≦1.7A where A is a diameter of the lens section when the lens section is viewed from an direction of an optical axis, and B is a width of the connecting section when the connecting section is viewed from the direction of the optical axis.
摘要翻译： 用于对光学信息记录介质进行记录和/或再现信息的光学拾取装置中的物镜具有近似圆形且包括凸缘部分的透镜部分; 以及与透镜部一体地设置的连接部。 该物镜满足以下条件式：其中，A是从光轴方向观察透镜部时的透镜部的直径，B是从连接部从方向观察时的连接部的宽度 的光轴。
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