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1.发明授权Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing method 有权光拾取装置，设置有光学拾取装置的记录/再现装置，光学元件和信息记录/再现方法公开(公告)号：US07889617B2
公开(公告)日：2011-02-15
申请号：US11976063
申请日：2007-10-19
IPC分类号： G11B7/00
CPC分类号： G11B7/1353 , G11B7/1275 , G11B7/1374 , G11B7/139 , G11B7/13922 , G11B2007/0006
摘要： An optical pickup apparatus for reproducing information from an optical information recording medium or for recording information onto an optical information recording medium, is provided with a first light source for emitting first light flux having a first wavelength; a second light source for emitting second light flux having a second wavelength, the first wavelength being different from the second wavelength; a converging optical system having an optical axis and a diffractive portion, and a photo detector; wherein in case that the first light flux passes through the diffractive portion to generate at least one diffracted ray, an amount of n-th ordered diffracted ray of the first light flux is greater than that of any other ordered diffracted ray of the first light flux, and in case that the second light flux passes through the diffractive portion to generate at least one diffracted ray, an amount of n-th ordered diffracted ray of the second light flux is greater than that of any other ordered diffracted ray of the second light flux, where n stands for an integer other than zero.
摘要翻译： 一种用于从光学信息记录介质再现信息或将信息记录在光学信息记录介质上的光学拾取装置设置有用于发射具有第一波长的第一光通量的第一光源; 第二光源，用于发射具有第二波长的第二光束，所述第一波长不同于所述第二波长; 具有光轴和衍射部分的会聚光学系统和光电检测器; 其中在第一光束通过衍射部分以产生至少一个衍射光线的情况下，第一光通量的n阶衍射光线的量大于第一光通量的任何其它有序衍射光线的量 并且在第二光束通过衍射部分以产生至少一个衍射光线的情况下，第二光束的n阶衍射光线的量大于第二光的任何其它有序衍射光线的量 通量，其中n表示除零以外的整数。
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公开(公告)号：US07342851B2
公开(公告)日：2008-03-11
申请号：US11138955
申请日：2005-05-27
CPC分类号： G11B7/1353 , G11B7/1275 , G11B7/1374 , G11B7/139 , G11B7/13922 , G11B2007/0006
摘要： An optical pickup apparatus for reproducing information from an optical information recording medium or for recording information onto an optical information recording medium, is provided with a first light source for emitting first light flux having a first wavelength; a second light source for emitting second light flux having a second wavelength, the first wavelength being different from the second wavelength; a converging optical system having an optical axis and a diffractive portion, and a photo detector; wherein in case that the first light flux passes through the diffractive portion to generate at least one diffracted ray, an amount of n-th ordered diffracted ray of the first light flux is greater than that of any other ordered diffracted ray of the first light flux, and in case that the second light flux passes through the diffractive portion to generate at least one diffracted ray, an amount of n-th ordered diffracted ray of the second light flux is greater than that of any other ordered diffracted ray of the second light flux, where n stands for an integer other than zero.
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公开(公告)号：US20060007837A1
公开(公告)日：2006-01-12
申请号：US11225096
申请日：2005-09-14
IPC分类号： G11B7/00
CPC分类号： G11B7/1353 , G11B7/1275 , G11B7/1374 , G11B7/139 , G11B7/13922 , G11B2007/0006
摘要： An optical pickup apparatus for reproducing information from an optical information recording medium or for recording information onto an optical information recording medium, is provided with a first light source for emitting first light flux having a first wavelength; a second light source for emitting second light flux having a second wavelength, the first wavelength being different from the second wavelength; a converging optical system having an optical axis and a diffractive portion, and a photo detector; wherein in case that the first light flux passes through the diffractive portion to generate at least one diffracted ray, an amount of n-th ordered diffracted ray of the first light flux is greater than that of any other ordered diffracted ray of the first light flux, and in case that the second light flux passes through the diffractive portion to generate at least one diffracted ray, an amount of n-th ordered diffracted ray of the second light flux is greater than that of any other ordered diffracted ray of the second light flux, where n stands for an integer other than zero.
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4.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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公开(公告)号：US20080316900A1
公开(公告)日：2008-12-25
申请号：US11976062
申请日：2007-10-19
IPC分类号： G11B7/135
CPC分类号： G11B7/1353 , G11B7/1275 , G11B7/1374 , G11B7/139 , G11B7/13922 , G11B2007/0006
摘要： An optical pickup apparatus for reproducing information from an optical information recording medium or for recording information onto an optical information recording medium, is provided with a first light source for emitting first light flux having a first wavelength; a second light source for emitting second light flux having a second wavelength, the first wavelength being different from the second wavelength; a converging optical system having an optical axis and a diffractive portion, and a photo detector; wherein in case that the first light flux passes through the diffractive portion to generate at least one diffracted ray, an amount of n-th ordered diffracted ray of the first light flux is greater than that of any other ordered diffracted ray of the first light flux, and in case that the second light flux passes through the diffractive portion to generate at least one diffracted ray, an amount of n-th ordered diffracted ray of the second light flux is greater than that of any other ordered diffracted ray of the second light flux, where n stands for an integer other than zero.
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公开(公告)号：US20080175128A1
公开(公告)日：2008-07-24
申请号：US11976063
申请日：2007-10-19
IPC分类号： G11B7/00
CPC分类号： G11B7/1353 , G11B7/1275 , G11B7/1374 , G11B7/139 , G11B7/13922 , G11B2007/0006
摘要： An optical pickup apparatus for reproducing information from an optical information recording medium or for recording information onto an optical information recording medium, is provided with a first light source for emitting first light flux having a first wavelength; a second light source for emitting second light flux having a second wavelength, the first wavelength being different from the second wavelength; a converging optical system having an optical axis and a diffractive portion, and a photo detector; wherein in case that the first light flux passes through the diffractive portion to generate at least one diffracted ray, an amount of n-th ordered diffracted ray of the first light flux is greater than that of any other ordered diffracted ray of the first light flux, and in case that the second light flux passes through the diffractive portion to generate at least one diffracted ray, an amount of n-th ordered diffracted ray of the second light flux is greater than that of any other ordered diffracted ray of the second light flux, where n stands for an integer other than zero.
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公开(公告)号：US07173895B2
公开(公告)日：2007-02-06
申请号：US10612019
申请日：2003-07-03
IPC分类号： G11B7/00
CPC分类号： G11B7/1353 , G11B7/1275 , G11B7/1374 , G11B7/139 , G11B7/13922 , G11B2007/0006
摘要： An optical pickup apparatus for reproducing information from an optical information recording medium or for recording information onto an optical information recording medium, is provided with a first light source for emitting first light flux having a first wavelength; a second light source for emitting second light flux having a second wavelength, the first wavelength being different from the second wavelength; a converging optical system having an optical axis and a diffractive portion, and a photo detector; wherein in case that the first light flux passes through the diffractive portion to generate at least one diffracted ray, an amount of n-th ordered diffracted ray of the first light flux is greater than that of any other ordered diffracted ray of the first light flux, and in case that the second light flux passes through the diffractive portion to generate at least one diffracted ray, an amount of n-th ordered diffracted ray of the second light flux is greater than that of any other ordered diffracted ray of the second light flux, where n stands for an integer other than zero.
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8.发明授权Method for recording/reproducing optical information recording medium, optical pickup apparatus, objective lens and design method of objective lens 失效用于记录/再现光学信息记录介质的方法，光学拾取装置，物镜和物镜的设计方法公开(公告)号：US06400672B2
公开(公告)日：2002-06-04
申请号：US09798965
申请日：2001-03-06
IPC分类号： G11B712
CPC分类号： G11B7/1275 , G02B3/10 , G11B7/1353 , G11B7/1367 , G11B7/1374 , G11B7/1381 , G11B7/139 , G11B7/13922 , G11B2007/0006 , G11B2007/13727
摘要： An optical pickup apparatus includes a light source for emitting a light flux; and a converging optical system having a first, second, and third divided surface, which are divided in the order named from the vicinity of an optical axis of the converging optical system, for converging the light flux emitted from the light source, wherein a beam spot passing through the first and third divided surfaces is formed onto a first optical information recording medium having a transparent substrate whose thickness is t1, and a beam spot passing through the first and second surfaces is formed onto a second optical information recording medium having a transparent substrate whose thickness is t2 that is more than t1. The optical pickup apparatus further includes an image sensor for receiving a light flux reflected from the first and/or second optical information recording medium.
摘要翻译： 光拾取装置包括用于发射光束的光源; 以及会聚光学系统，其具有从会聚光学系统的光轴附近按顺序划分的第一，第二和第三分割表面，用于会聚从光源发射的光束，其中光束 通过第一和第三分割表面的光斑形成在具有厚度为t1的透明基板的第一光学信息记录介质上，并且穿过第一和第二表面的光束点形成在具有透明的第二光学信息记录介质上 基板的厚度t2大于t1。 光学拾取装置还包括用于接收从第一和/或第二光学信息记录介质反射的光束的图像传感器。
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9.发明授权Method for recording/reproducing optical information recording medium, optical pickup apparatus, objective lens and design method of objective lens 失效用于记录/再现光学信息记录介质的方法，光学拾取装置，物镜和物镜的设计方法公开(公告)号：US06243349B1
公开(公告)日：2001-06-05
申请号：US09624342
申请日：2000-07-24
IPC分类号： G11B712
CPC分类号： G11B7/1275 , G02B3/10 , G11B7/1353 , G11B7/1367 , G11B7/1374 , G11B7/1381 , G11B7/139 , G11B7/13922 , G11B2007/0006 , G11B2007/13727
摘要： An optical pickup apparatus includes a light source for emitting a light flux; and a converging optical system having a first, second, and third divided surface, which are divided in the order named from the vicinity of an optical axis of the converging optical system, for converging the light flux emitted from the light source, wherein a beam spot passing through the first and third divided surfaces is formed onto a first optical information recording medium having a transparent substrate whose thickness is t1, and a beam spot passing through the first and second surfaces is formed onto a second optical information recording medium having a transparent substrate whose thickness is t2 that is more than t1. The optical pickup apparatus further includes an image sensor for receiving a light flux reflected from the first and/or second optical information recording-medium.
摘要翻译： 光拾取装置包括用于发射光束的光源; 以及会聚光学系统，其具有从会聚光学系统的光轴附近按顺序划分的第一，第二和第三分割表面，用于会聚从光源发射的光束，其中光束 通过第一和第三分割表面的光斑形成在具有厚度为t1的透明基板的第一光学信息记录介质上，并且穿过第一和第二表面的光束点形成在具有透明的第二光学信息记录介质上 基板的厚度t2大于t1。 光学拾取装置还包括用于接收从第一和/或第二光学信息记录介质反射的光束的图像传感器。
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公开(公告)号：US07924681B2
公开(公告)日：2011-04-12
申请号：US11976062
申请日：2007-10-19
CPC分类号： G11B7/1353 , G11B7/1275 , G11B7/1374 , G11B7/139 , G11B7/13922 , G11B2007/0006
摘要： An optical pickup apparatus for reproducing information from an optical information recording medium or for recording information onto an optical information recording medium, is provided with a first light source for emitting first light flux having a first wavelength; a second light source for emitting second light flux having a second wavelength, the first wavelength being different from the second wavelength; a converging optical system having an optical axis and a diffractive portion, and a photo detector; wherein in case that the first light flux passes through the diffractive portion to generate at least one diffracted ray, an amount of n-th ordered diffracted ray of the first light flux is greater than that of any other ordered diffracted ray of the first light flux, and in case that the second light flux passes through the diffractive portion to generate at least one diffracted ray, an amount of n-th ordered diffracted ray of the second light flux is greater than that of any other ordered diffracted ray of the second light flux, where n stands for an integer other than zero.
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