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1. 发明公开

EP1172808A3 Optical pickup 审中-公开
标题翻译：光学拾音器
公开(公告)号：EP1172808A3
公开(公告)日：2007-03-07
申请号：EP01116953.9
申请日：2001-07-11
申请人： SHARP KABUSHIKI KAISHA
发明人： Ueyama, Tetsuo , Sakai, Keiji , Kurata, Yukio , Masui, Katsushige , Otsuka, Naotaka , Miki, Renzaburo, c/o Mr. Kawamura , Hirajima, Hiroshige , Fujita, Noboru
IPC分类号： G11B7/12 , G11B7/135 , G11B7/125
CPC分类号： G11B7/131 , G11B7/0901 , G11B7/0903 , G11B7/0906 , G11B7/0908 , G11B7/0916 , G11B7/123 , G11B7/1275 , G11B7/1353 , G11B7/1356 , G11B7/1365 , G11B7/1381 , G11B7/22 , G11B2007/0006
摘要： An optical pickup can be provided, the optical pickup being capable of recording and playback of a plurality of optical disks having different specs by using light beams of different wavelengths, and further being suitable for integrating the semiconductor lasers and light receiving elements into a single package, by including: first and second semiconductor lasers adjacently disposed; a three-beam diffraction grating for generating three beams for tracking control; a second hologram element for diffracting light of the second semiconductor laser to guide it to a photosensor; a complex polarization beam splitter (PBS) for reflecting only light from the first semiconductor laser; and a first hologram element for diffracting light of the first semiconductor laser to guide it to the photosensor.
摘要翻译：可以提供一种光学拾取器，该光学拾取器能够通过使用不同波长的光束来记录和重放具有不同规格的多个光盘，并且还适合于将半导体激光器和光接收元件集成为单个封装通过包括：相邻设置的第一和第二半导体激光器; 用于产生用于跟踪控制的三个光束的三光束衍射光栅; 第二全息元件，用于衍射第二半导体激光器的光以将其引导至光传感器; 复合偏振分束器（PBS），用于仅反射来自第一半导体激光器的光; 以及第一全息元件，用于衍射第一半导体激光器的光以将其引导至光电传感器。

2. 发明授权

EP0585094B1 An optical integrated circuit having light detector 失效
标题翻译： Optische integrierte Schaltung mit Lichtdetektor
公开(公告)号：EP0585094B1
公开(公告)日：1999-01-27
申请号：EP93306653.2
申请日：1993-08-23
申请人： SHARP KABUSHIKI KAISHA
发明人： Okada, Kuniaki , Minami, Kouji , Miki, Renzaburo , Yamamoto, Hiroyuki , Yoshida, Yoshio , Kurata, Yukio
IPC分类号： G02B6/12 , H01L31/0232 , H01S3/025
CPC分类号： G02B6/42 , G02B6/12004 , H01L31/02327 , H01L31/0236 , Y02E10/50

3. 发明公开

EP0803868A3 Optical element and optical pickup device comprising the same 失效
标题翻译：光学元件和包括其的光学拾取装置
公开(公告)号：EP0803868A3
公开(公告)日：1997-11-12
申请号：EP97111248.7
申请日：1990-03-30
申请人： SHARP KABUSHIKI KAISHA
发明人： Yoshida, Yoshio , Miyake, Takahiro , Nakata, Yasuo , Kurata, Yukio , Ogata, Nobuo , Ueyama, Tetsuo , Sato, Hideaki
IPC分类号： G11B7/135 , G11B11/10 , G02B5/18
CPC分类号： G11B7/1365 , G02B1/118 , G02B5/1809 , G02B5/1814 , G02B5/1866 , G02B27/4261 , G02B27/4272 , G11B7/1353 , G11B11/10543
摘要： An optical element comprises a polarization diffraction element that is provided with diffraction gratings that are respectively mounted on different faces of a transparent substrate of a flat plate shape, which grating pitches are equal to each other and approximately equal to the wavelength of an incident light, and which grating lines are parallel; or comprises a phase shifting element or an antireflection element composed by a grating which grating pitch is approximately equal to the wavelength of an incident light, formed on a transparent base; or comprises a polarization diffraction element that is provided with a substrate made of a material having an optical anisotropy property, and a grating, and wherein the thickness of the substrate is set such that the difference that occurs between the phases of the P and S polarizations of a light due to the grating, and the difference that occurs between the phases of the two polarizations when the light propagates through the substrate, and cancel out; or comprises a polarization diffraction unit wherein a diffraction grating which grating pitch is approximately equal to the wavelength of an incident light, is formed on a face of a transparent substrate, and a phase compensating grating which grating lines are substantially orthogonal to the grating lines of the diffraction grating, is formed on the other face of the substrate. An optical pickup device comprises an optical element wherein a grating which grating pitch is approximately equal to the wavelength of an incident light, is formed on a transparent base. An optical pickup device comprises a polarized light detecting unit provided with a diffraction grating which grating pitch is approximately equal to the wavelength of an incident light, that is formed on a transparent substrate, and that splits the incident light into two polarized lights having mutually orthogonal polarizations; a first photodetector that is mounted integrally and virtually in parallel with the substrate, and that receives a zeroth-order diffracted light produced by the diffraction grating; and a second photodetector that is located in the same plane as the first photodetector and mounted integrally with the first photodetector and the substrate, and that receives a first-order diffracted light produced by the diffraction grating. As a result, a simple and inexpensive optical element may be fabricated, and a compact and light optical pickup device may be designed. Furthermore, the access to a magneto-optical recording medium may be performed accurately, and recording signals of high quality may be obtained.
摘要翻译：一种光学元件，包括偏振衍射元件，该偏振衍射元件设置有分别安装在平板形状的透明基板的不同面上的衍射光栅，该衍射光栅的栅格间距彼此相等并且近似等于入射光的波长，并且哪些光栅线是平行的; 或者包括由透明基底上形成的光栅间距近似等于入射光波长的光栅组成的相移元件或抗反射元件; 或者包括偏振衍射元件，该偏振衍射元件设置有由具有光学各向异性特性的材料制成的基板和光栅，并且其中基板的厚度被设置为使得P和S偏振的相位由光栅产生的光线，以及当光线传播通过基板时两个偏振的相位之间产生的差异并抵消; 或者包括偏振衍射单元和相位补偿光栅，其中光栅间距近似等于入射光的波长的衍射光栅形成在透明衬底的表面上，所述相位补偿光栅的光栅线基本上与衍射光栅形成在基底的另一面上。一种光学拾取装置包括光学元件，其中在透明基底上形成光栅间距近似等于入射光波长的光栅。一种光学拾取装置包括偏振光检测单元，该偏振光检测单元设置有衍射光栅，该衍射光栅的光栅间距与入射光的波长近似相等，其形成在透明基板上，并且将入射光分成具有相互正交的两个偏振光极化; 第一光检测器，其一体安装并且基本上平行于所述基板，并且接收由所述衍射光栅产生的零级衍射光; 以及第二光电检测器，其与第一光电检测器位于同一平面内并与第一光电检测器和基板一体安装，并且接收由衍射光栅产生的一阶衍射光。结果，可以制造简单且便宜的光学元件，并且可以设计紧凑且轻的光学拾取装置。此外，可以准确地执行对磁光记录介质的访问，并且可以获得高质量的记录信号。

4. 发明授权

EP0459764B1 Optical head device 失效
标题翻译：的光学头的排列
公开(公告)号：EP0459764B1
公开(公告)日：1996-12-11
申请号：EP91304820.3
申请日：1991-05-29
申请人： SHARP KABUSHIKI KAISHA
发明人： Miyake, Takahiro , Yoshida, Yoshio , Kurata, Yukio
IPC分类号： G11B7/09 , G11B7/135 , G11B7/12
CPC分类号： G11B7/1353 , G11B7/094 , G11B7/131 , G11B7/1359 , G11B7/1398

5. 发明授权

EP0380320B1 An optical pickup apparatus 失效
公开(公告)号：EP0380320B1
公开(公告)日：1995-11-02
申请号：EP90300741.7
申请日：1990-01-24
申请人： SHARP KABUSHIKI KAISHA
发明人： Nishitani, Yukinori , Kurata, Yukio , Yoshida, Yoshio , Miyake, Takahiro
IPC分类号： G11B7/135 , G11B7/09
CPC分类号： G11B7/1353 , G11B7/123

6. 发明公开

EP0612064A3 An optical pickup apparatus 失效
标题翻译： Optische Abtastvorrichtung。
公开(公告)号：EP0612064A3
公开(公告)日：1995-08-30
申请号：EP94201533.0
申请日：1989-06-23
申请人： SHARP KABUSHIKI KAISHA
发明人： Nagahama, Toshiya , Kurata, Yukio , Yoshida, Yoshio
IPC分类号： G11B7/135 , G11B7/13 , G11B7/09
CPC分类号： G11B7/1381 , G11B7/0903 , G11B7/0909 , G11B7/0912 , G11B7/13 , G11B7/131 , G11B7/1353
摘要： An optical pickup apparatus for reproducing information from an optical recording medium such as a compact disc, comprises a laser device (1), one or more diffraction devices (2,3) and a photodetector (7) receiving a laser beam diffracted by the diffraction device (3). The surfaces of the diffraction device (3) are provided with an antireflection coating (8a,8b). When the apparatus is used for the three-beam method, the two photodetecting areas (7a,7b) in the photodetector for producing the tracking error signal are different in size or in the positional relation with the laser device (1).
摘要翻译：一种用于从诸如光盘的光学记录介质再现信息的光学拾取装置包括激光装置（1），一个或多个衍射装置（2,3）和接收通过衍射衍射的激光束的光电检测器（7）装置（3）。衍射装置（3）的表面设置有抗反射涂层（8a，8b）。当将该装置用于三光束方法时，用于产生跟踪误差信号的光电检测器中的两个光电检测区域（7a，7b）的大小或与激光装置（1）的位置关系不同。

7. 发明公开

EP0550155A3 A display apparatus 失效
标题翻译：显示设备
公开(公告)号：EP0550155A3
公开(公告)日：1993-09-15
申请号：EP92310999.5
申请日：1992-12-02
申请人： SHARP KABUSHIKI KAISHA
发明人： Sakai, Keiji , Yoshida, Yoshio , Yamamoto, Hiroyuki , Kurata, Yukio , Nakata, Yasuo , Miyake, Takahiro
IPC分类号： G09F1/00 , G09F9/30 , G02B6/06 , C03B37/15 , C03B37/14 , G02B6/42
CPC分类号： G02F1/13336 , G02B6/06 , G09F9/305 , Y10S385/901
摘要： A display apparatus of the invention includes: a plurality of display devices (111, 112, 113) arranged in one direction (A), each of the plurality of display devices (111, 112, 113) having a display area (111a, 112a, 113a); and a plurality of image transmission means (131, 132, 133) corresponding to the respective display devices (111, 112, 113), one end face (D) of each of the image transmission means (131, 132, 133) being coupled to a display area (111a, 112a, 113a) of the corresponding one of the display devices (111, 112, 113), other end faces (C) of the image transmission means (131, 132, 133) corresponding to the adjacent ones of the display devices (111, 112, 113) being in contact with each other, the plurality of image transmission means (131, 132, 133) being bent toward the one direction in which the display devices (111, 112, 113) are arranged.

8. 发明授权

EP0320276B1 Optical pickup device 失效
标题翻译：光学拾取器件
公开(公告)号：EP0320276B1
公开(公告)日：1993-07-07
申请号：EP88311665.9
申请日：1988-12-09
申请人： SHARP KABUSHIKI KAISHA
发明人： Nagahama, Toshiya , Kurata, Yukio , Yoshida, Yoshio
IPC分类号： G11B7/08 , G11B7/13 , G11B7/135 , G11B7/09
CPC分类号： G11B7/0916 , G11B7/0903 , G11B7/133 , G11B7/1353 , G11B7/1381

9. 发明公开

EP0485235A3 A liquid crystal display apparatus 失效
标题翻译：液晶显示设备
公开(公告)号：EP0485235A3
公开(公告)日：1992-07-29
申请号：EP91310365.1
申请日：1991-11-08
申请人： SHARP KABUSHIKI KAISHA
发明人： Asada, Atsushi , Ishikawa, Toshio , Nakata, Yasuo , Yoshida, Yoshio , Kurata, Yukio
IPC分类号： G09F9/30 , G09F9/35 , G02B6/42
CPC分类号： G09F9/35 , G02B6/08 , G02F1/13336 , G02F1/133524
摘要： A liquid crystal display apparatus which in- dudes display devices each having screens, an optical fiber bundle connected to the respective screens so as to transmit an image therethrough, wherein the optical fiber bundle includes optical fibers arranged side by side, fastened to each other, and bent so as to have a straight portion and branch portions, the straight portion being perpendicularly connected to an output end face, and the branch portions being connected to an input end face, and spacers interposed between adjacent optical fibers in a portion of the bundle at least toward the output end face of the display apparatus.

10. 发明公开

EP0485235A2 A liquid crystal display apparatus 失效
标题翻译：液晶显示装置
公开(公告)号：EP0485235A2
公开(公告)日：1992-05-13
申请号：EP91310365.1
申请日：1991-11-08
申请人： SHARP KABUSHIKI KAISHA
发明人： Asada, Atsushi , Ishikawa, Toshio , Nakata, Yasuo , Yoshida, Yoshio , Kurata, Yukio
IPC分类号： G09F9/30 , G09F9/35 , G02B6/42
CPC分类号： G09F9/35 , G02B6/08 , G02F1/13336 , G02F1/133524
摘要： A liquid crystal display apparatus which in- dudes display devices each having screens, an optical fiber bundle connected to the respective screens so as to transmit an image therethrough, wherein the optical fiber bundle includes optical fibers arranged side by side, fastened to each other, and bent so as to have a straight portion and branch portions, the straight portion being perpendicularly connected to an output end face, and the branch portions being connected to an input end face, and spacers interposed between adjacent optical fibers in a portion of the bundle at least toward the output end face of the display apparatus.
摘要翻译： 1。一种液晶显示装置，其特征在于，具备：具有屏幕的显示装置;与各个屏幕连接并透过图像的光纤束，其中，所述光纤束包括并列配置的光纤，并弯曲以具有直线部分和分支部分，所述直线部分垂直地连接到输出端面，并且所述分支部分连接到输入端面，并且在所述束的一部分中的相邻光纤之间插入间隔物至少朝向显示设备的输出端面。

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