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1. 发明授权

US08226245B2 Composite optical element and projection optical device 失效
标题翻译：复合光学元件和投影光学装置
公开(公告)号：US08226245B2
公开(公告)日：2012-07-24
申请号：US11786339
申请日：2007-04-11
申请人： Mitsunori Ueda , Yoshihiro Oshima , Kazutoshi Yamamoto , Kiyoshi Toyota , Atsuhiko Wajiki , Yuji Kato , Olivier Ripoll , Juan Manuel Teijiro
发明人： Mitsunori Ueda , Yoshihiro Oshima , Kazutoshi Yamamoto , Kiyoshi Toyota , Atsuhiko Wajiki , Yuji Kato , Olivier Ripoll , Juan Manuel Teijiro
IPC分类号： G03B21/28
CPC分类号： G02B27/149 , G02B27/1046 , G02B27/145 , H04N9/3105 , H04N9/317
摘要： A composite optical element is provided. The composite optical element includes a plurality of optical elements, in which at least one of the optical elements is formed of an element modifying an optical path and the other optical elements are bonded to an incident surface and/or exit surface of the element modifying the optical path with a low refractive index material layer in between.
摘要翻译：提供复合光学元件。复合光学元件包括多个光学元件，其中至少一个光学元件由修改光路的元件形成，并且其它光学元件被接合到元件的入射表面和/或出射表面，光路之间具有低折射率材料层。

2. 发明申请

US20100007860A1 Composite optical element and projection optical device 失效
标题翻译：复合光学元件和投影光学装置
公开(公告)号：US20100007860A1
公开(公告)日：2010-01-14
申请号：US11786339
申请日：2007-04-11
申请人： Mitsunori Ueda , Yoshihiro Oshima , Kazutoshi Yamamoto , Kiyoshi Toyota , Atsuhiko Wajiki , Yuji Kato , Olivier Ripoll , Juan Manuel Teijiro
发明人： Mitsunori Ueda , Yoshihiro Oshima , Kazutoshi Yamamoto , Kiyoshi Toyota , Atsuhiko Wajiki , Yuji Kato , Olivier Ripoll , Juan Manuel Teijiro
IPC分类号： G03B21/28 , G02B5/04
CPC分类号： G02B27/149 , G02B27/1046 , G02B27/145 , H04N9/3105 , H04N9/317
摘要： A composite optical element is provided. The composite optical element includes a plurality of optical elements, in which at least one of the optical elements is formed of an element modifying an optical path and the other optical elements are bonded to an incident surface and/or exit surface of the element modifying the optical path with a low refractive index material layer in between.
摘要翻译：提供复合光学元件。复合光学元件包括多个光学元件，其中至少一个光学元件由修改光路的元件形成，并且其它光学元件被接合到元件的入射表面和/或出射表面，光路之间具有低折射率材料层。

3. 发明授权

US07248544B2 Optical head and recording and/or reproducing apparatus employing same 失效
标题翻译：光头以及使用其的记录和/或再现装置
公开(公告)号：US07248544B2
公开(公告)日：2007-07-24
申请号：US10849158
申请日：2004-05-20
申请人： Masahiro Saito , Norio Fukasawa , Kiyoshi Toyota , Junichi Suzuki , Minoru Kubo , Souichi Murakami
发明人： Masahiro Saito , Norio Fukasawa , Kiyoshi Toyota , Junichi Suzuki , Minoru Kubo , Souichi Murakami
IPC分类号： G11B7/00
CPC分类号： G11B7/1275 , G11B7/131 , G11B7/1353 , G11B7/1359 , G11B7/1395 , G11B7/22
摘要： Disclosed is an optical head in which position adjustment of a photodetector light receiving surface or component parts may be simplified, production costs may be reduced and operational reliability may be improved. The optical head includes a light source 22, radiating light of a preset wavelength, an objective lens 27 for condensing the outgoing light from the light source 22 on an optical disc 2 and for condensing the return light from the optical disc 2, a beam splitter 25 for branching the optical path of the return light reflected by the optical disc 2, and for collimating the branched return light so as to be parallel to the outgoing light from the light source 22, a composite optical component including a splitting prism 30 arranged on a site of incidence of the branched return light for spatially splitting the return light, and a light receiving unit for receiving plural return light beams spatially split by the splitting prism 30 for producing focusing error signals.
摘要翻译：公开了一种可以简化光电检测器光接收表面或部件的位置调整的光学头，可以降低生产成本并且可以提高操作可靠性。光头包括一个照射预定波长的光源22，用于将来自光源22的输出光聚焦在光盘2上并用于聚光来自光盘2的返回光的物镜27，一个分束器 25，用于分支由光盘2反射的返回光的光路，并且用于使分支的返回光准直以与来自光源22的出射光平行;复合光学部件，包括分离棱镜30，其布置在用于空间分离返回光的分支返回光的入射部位，以及用于接收由分割棱镜30空间分裂的多个返回光束的光接收单元，用于产生聚焦误差信号。

4. 发明授权

US06529454B1 Integrated optical component, optical pickup, and optical disc device 有权
标题翻译：集成光学部件，光学拾取器和光盘装置
公开(公告)号：US06529454B1
公开(公告)日：2003-03-04
申请号：US09508169
申请日：2000-03-08
申请人： Yoshito Asoma , Kiyoshi Toyota , Noriaki Nishi
发明人： Yoshito Asoma , Kiyoshi Toyota , Noriaki Nishi
IPC分类号： G11B700
CPC分类号： G11B7/1356 , G11B7/00 , G11B7/123 , G11B7/131 , G11B7/1378
摘要： A cylindrical lens 39 for generating focussing error signals is formed as one with a portion of an optical component 33 of a transparent material lying on an optical path L2 that is an optical path of a return light beam from the optical member 33. This configuration assures a small size while reducing the production cost and improving operational reliability.
摘要翻译：用于产生聚焦误差信号的柱面透镜39形成为具有位于作为来自光学构件33的返回光束的光路的光路L2上的透明材料的光学部件33的一部分的柱面透镜39.这种构造确保体积小，同时降低生产成本，提高运行可靠性。

5. 发明申请

US20100103801A1 OBJECTIVE LENS, OPTICAL PICKUP APPARATUS USING THE SAME, OPTICAL RECORDING/REPRODUCTION APPARATUS USING THE SAME, AND METHOD OF CORRECTING ABERRATION USING THE SAME 有权
标题翻译：目标镜头，使用其的光学拾取装置，使用其的光学记录/再生装置以及使用其进行校正的方法
公开(公告)号：US20100103801A1
公开(公告)日：2010-04-29
申请号：US12605500
申请日：2009-10-26
申请人： Motoo Aiba , Kiyoshi Toyota , Hiroyuki Sakakibara , Toyokazu Takahashi , Kouhei Anju , Kenichi Ogawa
发明人： Motoo Aiba , Kiyoshi Toyota , Hiroyuki Sakakibara , Toyokazu Takahashi , Kouhei Anju , Kenichi Ogawa
IPC分类号： G11B7/00
CPC分类号： G11B7/1374 , G11B7/13925
摘要： Provided is an objective lens for which expressions 0.83
摘要翻译：提供了满足表达式0.83 <（pM / pL）<1.17和0.83 <（pM / pT）<1.17或表达式0.80 <（pM / pL）<1.20和0.86 <（pM / pT）<1.14的物镜，其中pL是五阶球面像差与三阶球面像差的比率，球面像差是由光记录介质的覆盖层的厚度差引起的，pT是五阶球面像差的比率到三阶球面像差，球面像差是由物镜的环境温度变化引起的，pM是五阶球面像差与三阶球面像差的比值，球面像差是由事件放大的变化。

6. 发明授权

US07345982B2 Optical pickup device, optical disk drive, optical device and composite optical element 失效
标题翻译：光学拾取装置，光盘驱动器，光学装置和复合光学元件
公开(公告)号：US07345982B2
公开(公告)日：2008-03-18
申请号：US10494304
申请日：2002-11-19
申请人： Norio Fukasawa , Junichi Suzuki , Kiyoshi Toyota , Tetsu Tanaka , Satoru Ishii , Takeshi Kubo , Masahiro Saito
发明人： Norio Fukasawa , Junichi Suzuki , Kiyoshi Toyota , Tetsu Tanaka , Satoru Ishii , Takeshi Kubo , Masahiro Saito
IPC分类号： G11B7/00
CPC分类号： G11B7/1353 , G11B7/0909 , G11B7/0916 , G11B7/1381
摘要： An optical pickup device is provided which includes a double-wavelength objective lens (34) that collects a light beam selectively emitted from a light-emitting/-detecting element (31) that selectively emits a plurality of light beams different in wavelength from each other, and also return light from an optical disk (2), a first diffraction grating (45) that splits the light beam emitted from a light-emitting/-detecting element (31) into three beams including a zero-order light beam and positive and negative first-order light beams, a second diffraction grating (46) that diffracts the return light for traveling along a light path separate from that of the outgoing light, and a third diffraction grating (47) that corrects a light-path deviation by diffracting the positive first-order light beam diffracted by the second diffraction grating (46). The light-emitting/-detecting element (31) provides a focusing error signal FE by detecting the negative first-order light beam diffracted by the third diffraction element (47), and a tracking error signal by detecting return portions of the positive and negative first-order light beams from the first diffraction grating (45).
摘要翻译：提供了一种光拾取装置，其包括聚焦从选择性地发射彼此波长不同的多个光束的发光/检测元件（31）选择性发射的光束的双波长物镜（34）并且还从光盘（2）返回光，将从发光/检测元件（31）发射的光束分割成包括零级光束和正的光束的三束光的第一衍射光栅（45）和负的一级光束，衍射沿着与输出光分离的光路行进的返回光的第二衍射光栅（46），以及通过以下方式校正光路偏差的第三衍射光栅（47）衍射由第二衍射光栅（46）衍射的正一级光束。发光/检测元件（31）通过检测由第三衍射元件（47）衍射的负一级光束来提供聚焦误差信号FE，以及通过检测正和负的返回部分的跟踪误差信号来自第一衍射光栅（45）的一阶光束。

7. 发明申请

US20050162995A1 Optical pickup device, optical disk drive, optical device and composite optical element 失效
标题翻译：光学拾取装置，光盘驱动器，光学装置和复合光学元件
公开(公告)号：US20050162995A1
公开(公告)日：2005-07-28
申请号：US10494304
申请日：2002-11-19
申请人： Norio Fukasawa , Junichi Suzuki , Kiyoshi Toyota , Tetsu Tanaka , Satoru Ishii , Takeshi Kubo , Masahiro Saito
发明人： Norio Fukasawa , Junichi Suzuki , Kiyoshi Toyota , Tetsu Tanaka , Satoru Ishii , Takeshi Kubo , Masahiro Saito
IPC分类号： G11B7/09 , G11B7/00
CPC分类号： G11B7/1353 , G11B7/0909 , G11B7/0916 , G11B7/1381
摘要： An optical pickup device is provided which includes a double-wavelength objective lens (34) that collects a light beam selectively emitted from a light-emitting/-detecting element (31) that selectively emits a plurality of light beams different in wavelength from each other, and also return light from an optical disk (2), a first diffraction grating (45) that splits the light beam emitted from a light-emitting/-detecting element (31) into three beams including a zero-order light beam and positive and negative first-order light beams, a second diffraction grating (46) that diffracts the return light for traveling along a light path separate from that of the outgoing light, and a third diffraction grating (47) that corrects a light-path deviation by diffracting the positive first-order light beam diffracted by the second diffraction grating (46). The light-emitting/-detecting element (31) provides a focusing error signal FE by detecting the negative first-order light beam diffracted by the third diffraction element (47), and a tracking error signal by detecting return portions of the positive and negative first-order light beams from the first diffraction grating (45).
摘要翻译：提供了一种光拾取装置，其包括聚焦从选择性地发射彼此波长不同的多个光束的发光/检测元件（31）选择性发射的光束的双波长物镜（34）并且还从光盘（2）返回光，将从发光/检测元件（31）发射的光束分割成包括零级光束和正的光束的三束光的第一衍射光栅（45）和负的一级光束，衍射沿着与输出光分离的光路行进的返回光的第二衍射光栅（46），以及通过以下方式校正光路偏差的第三衍射光栅（47）衍射由第二衍射光栅（46）衍射的正一级光束。发光/检测元件（31）通过检测由第三衍射元件（47）衍射的负一级光束来提供聚焦误差信号FE，以及通过检测正和负的返回部分的跟踪误差信号来自第一衍射光栅（45）的一阶光束。

8. 发明申请

US20080198465A1 OPTICAL PICKUP DEVICE AND OPTICAL DISK DEVICE 有权
标题翻译：光学拾取器件和光盘设备
公开(公告)号：US20080198465A1
公开(公告)日：2008-08-21
申请号：US12032090
申请日：2008-02-15
申请人： Masahiro SAITO , Kiyoshi Toyota , Motoo Aiba
发明人： Masahiro SAITO , Kiyoshi Toyota , Motoo Aiba
IPC分类号： G02B27/44
CPC分类号： G02B27/0037 , G02B7/008 , G02B7/028 , G02B27/4238 , G02B27/4283 , G11B7/1374 , G11B7/1376 , G11B7/13925
摘要： An optical pickup device is disclosed. The device includes: a light source that emits a light beam of a predetermined wavelength of about 405 nm; an objective lens being a plastic lens provided with, on at least one surface, diffraction means of a zone diffractive structure suppressing generation of aberration to be caused by a temperature change, and has a numerical aperture of 0.82 or larger for gathering the light beam emitted from the light source with respect to an optical disk; and a collimator lens disposed between the light source and the objective lens, and derives a substantially-collimated light by converting an angle of divergence of the light beam emitted from the light source.
摘要翻译：公开了一种光学拾取装置。该装置包括：发射约405nm的预定波长的光束的光源; 物镜是在至少一个表面上设置有抑制由温度变化引起的像差产生的区域衍射结构的衍射装置的塑料透镜，并且具有0.82或更大的数值孔径用于收集所发射的光束从光源相对于光盘; 以及设置在光源和物镜之间的准直透镜，并且通过转换从光源发射的光束的发散角来导出基本上准直的光。

9. 发明申请

US20050088951A1 Optical pickup device and optical disk device and optical device and composite optical element 失效
标题翻译：光拾取装置和光盘装置以及光学装置和复合光学元件
公开(公告)号：US20050088951A1
公开(公告)日：2005-04-28
申请号：US10492657
申请日：2002-11-19
申请人： Norio Fukasawa , Junichi Suzuki , Kiyoshi Toyota , Tetsu Tanaka , Takeshi Kubo , Masahiro Saito , Satoru Ishii
发明人： Norio Fukasawa , Junichi Suzuki , Kiyoshi Toyota , Tetsu Tanaka , Takeshi Kubo , Masahiro Saito , Satoru Ishii
IPC分类号： G11B7/00 , G11B7/09 , G11B7/135
CPC分类号： G11B7/0908 , G11B7/00 , G11B7/0901 , G11B7/0909 , G11B7/0916 , G11B7/1356 , G11B7/1381
摘要： An optical pickup device is provided which includes a first diffraction grating (45) that splits a light beam emitted from a light-emitting/-detecting element (31) into a zero-order light beam and positive and negative first-order light beams, a second diffraction grating (46) that diffracts return light from an optical disk (2) for traveling along a light path separate from that of the outgoing light, and a third diffraction grating (47) that corrects the deviation of the light path by diffracting the positive first-order light beam diffracted by the second diffraction grating (46). The light-emitting/-detecting element (31) provides a focusing error signal FE by detecting the negative first-order light beam, and a tracking error signal by detecting return portions of the positive and negative first-order light beams from the first diffraction grating (45).
摘要翻译：提供了一种光学拾取装置，其包括将从发光/检测元件（31）发射的光束分成零级光束和正和负一级光束的第一衍射光栅（45）第二衍射光栅（46），衍射来自光盘（2）的返回光，用于沿着与出射光分离的光路行进;以及第三衍射光栅（47），其通过衍射来校正光路的偏差由第二衍射光栅（46）衍射的正一级光束。发光/检测元件（31）通过检测负一阶光束提供聚焦误差信号FE，并且通过检测来自第一衍射的正和负一级光束的返回部分来提供跟踪误差信号光栅（45）。

10. 发明授权

US5742577A Prism has a plurality of reflective regions each with a predetermined phase difference 失效
标题翻译：棱镜具有多个具有预定相位差的反射区域
公开(公告)号：US5742577A
公开(公告)日：1998-04-21
申请号：US685474
申请日：1996-07-24
申请人： Hideyoshi Horimai , Katsuhiro Seo , Kimihiro Saito , Kiyoshi Toyota
发明人： Hideyoshi Horimai , Katsuhiro Seo , Kimihiro Saito , Kiyoshi Toyota
IPC分类号： G02B5/04 , G02B5/30 , G11B7/12 , G11B7/13 , G11B7/135 , G11B11/105 , G11B11/10 , G11B7/00
CPC分类号： G11B7/131 , G02B5/04 , G02B5/3083 , G11B11/10543 , G11B7/123 , G11B7/1356 , G11B7/1359 , G11B7/1367
摘要： In an optical pickup apparatus, including a laser source arranged along an optical axis, a polarization beam splitter and an objective lens, wherein light emitted from the laser source is emitted on a recording plane of an optical-magnetical recording media as a converged beam, light beams reflected from the recording media of the optical-magnetical recording media are separated by said polarization beam splitter to obtain a predetermined polarized light component, a phase change means, which changes a phase of light passing through one side of said optical axis and a phase of light passing through another side of said optical axis by a predetermined angle, such as 1/2 wavelength plate, a phase retardation type prism and a combination optical rotation plate, is provided between the polarization beam splitter and the objective lens, and, an optical detection element, which detects the light polarized by the polarization beam splitter, is provided at a side intersecting the phase change means of the polarization beam splitter.
摘要翻译：在包括沿着光轴布置的激光源的光学拾取装置中，偏振分束器和物镜，其中从激光源发射的光作为会聚光束发射在光磁记录介质的记录平面上，从光磁记录介质的记录介质反射的光束被所述偏振分束器分离以获得预定的偏振光分量，相变装置改变通过所述光轴的一侧的光的相位和在偏振光束分离器和偏振光分束器之间设置有通过光轴另一侧预定角度的光，例如+ E，fra 1/2 + EE波片，相位延迟型棱镜和组合旋转板物镜和检测由偏振分束器偏振的光的光学检测元件设置在与pha相交的一侧偏振分束器的改变装置。

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