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1. 发明专利

JP2008217876A Optical pickup device and information recording and reproducing device 审中-公开
标题翻译：光学拾取装置和信息记录和再现装置
公开(公告)号：JP2008217876A
公开(公告)日：2008-09-18
申请号：JP2007052080
申请日：2007-03-01
申请人： National Institute Of Advanced Industrial & Technology , Nissei Electric Co Ltd , 日星電気株式会社 , 独立行政法人産業技術総合研究所
发明人： UENO ICHIRO , HIRAGA TAKASHI , KOYANO MASUTAKA , IKUMA KUNIO , OTA NAOKI
IPC分类号： G11B7/14 , G11B7/135
摘要： PROBLEM TO BE SOLVED: To provide an optical pickup device and an information recording and reproducing device for recording and reproducing information at high speed. SOLUTION: The optical pickup device is provided with: a first laser beam source 10 emitting a first laser beam; a second light incident terminal 1 emitting a second laser beam of two beams or more having wavelength different from the first laser beam; a condensing means condensing a plurality of laser beams having different wavelength of two kinds which are emitted from the first laser beam source 10 and the second light incident terminal 1 on an information recording plane of a recording medium formed with a plurality of tracks; a dividing means dividing a plurality of reflected laser beams reflected by the information recording plane of the recording medium; and a phtodetecting means receiving the plurality of reflected laser beams divided by the dividing means, wherein the second laser beam incident terminal 1 comprises a bundle in which core clad type single mode optical fibers of at least two or more in each of which a clad is provided at the outer periphery of the core are close to each other and arranged in parallel, in one side end plane of individual single mode optical fiber, a core side diameter is kept and only a clad outside diameter is reduced. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于高速记录和再现信息的光学拾取装置和信息记录和再现装置。解决方案：光学拾取装置设置有：发射第一激光束的第一激光束源10; 发射具有与第一激光束不同的波长的两束以上的第二激光束的第二光入射端子1; 冷凝装置，将形成有多个轨道的记录介质的信息记录面上的从第一激光束源10和第二光入射端子1发射的两种不同波长的多个激光束聚光; 分割装置，分割由记录介质的信息记录面反射的多个反射激光束; 以及检测装置，其接收由所述分割装置分割的所述多个反射激光束，其中所述第二激光束入射端子1包括其中包层为至少两个或更多个的芯包层型单模光纤，在芯体的外周设置有彼此靠近并平行布置的单个单模光纤的一个侧端面，保持芯侧直径，并且只有包层外径减小。版权所有（C）2008，JPO＆INPIT

2. 发明专利

JP2008216506A Light source unit 审中-公开
标题翻译：光源单元
公开(公告)号：JP2008216506A
公开(公告)日：2008-09-18
申请号：JP2007052081
申请日：2007-03-01
申请人： National Institute Of Advanced Industrial & Technology , Nissei Electric Co Ltd , 日星電気株式会社 , 独立行政法人産業技術総合研究所
发明人： HIRAGA TAKASHI , UENO ICHIRO , KOYANO MASUTAKA , IKUMA KUNIO , OTA NAOKI
IPC分类号： G02B6/42 , G02B6/02 , G02B6/04
摘要： PROBLEM TO BE SOLVED: To provide an extremely-thin-diameter light source unit which has a small irradiation diameter. SOLUTION: The light source unit includes: an end-surface proximity multi-core optical fiber 100 constituted so that at least two or more individual core/clad type optical fibers 10 each having a clad provided around a core are, at the emission end 10d on one-end-surface side of individual optical fibers 10, closely arranged in parallel to each other and bound together so as to be inserted into a ferrule 40 while the core diameter is at it is and the outer diameter of the clad is reduced, and the individual optical fibers 10 are independent one by one at the incident end 10c on other-end-surface side of the individual optical fibers 10; and an optical system unit 30 comprising a nonmagnification optical system unit or reduction optical system unit optically coupling an incident end 10c of the end-surface proximity multi-core optical fiber 100 to a light source 20. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有小照射直径的极薄直径的光源单元。解决方案：光源单元包括：端面接近多芯光纤100，其被构造成使得至少两个或更多个具有围绕芯设置的包层的单独的芯/包层型光纤10在单个光纤10的一端表面侧的发射端10d，彼此平行地紧密排列并且结合在一起，以便在芯直径处于其中时被插入到套圈40中，并且包层的外径并且各个光纤10在各个光纤10的另一端面侧的入射端10c处一个接一个地独立; 以及光学系统单元30，其包括将端面接近多芯光纤100的入射端10c光耦合到光源20的非放大光学系统单元或还原光学系统单元。（C）2008 ，JPO＆INPIT

3. 发明专利

JP2006208864A Optical transmissions medium 审中-公开
标题翻译：光传输介质
公开(公告)号：JP2006208864A
公开(公告)日：2006-08-10
申请号：JP2005022275
申请日：2005-01-28
申请人： Nissei Electric Co Ltd , 日星電気株式会社
发明人： KOYANO MASUTAKA , OTA NAOKI
IPC分类号： G02B6/032 , G02B6/00
摘要： PROBLEM TO BE SOLVED: To provide an optical transmissions medium having improved outgoing light quantity and superior emission efficiency. SOLUTION: The optical transmissions medium (1) is structured by sealing a transparent liquid (1a) in a flexible tubular container (1b), wherein a tapered part is formed in a sealing cap (2) attached to the exiting section of the optical transmissions medium (1). COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供具有改善的出射光量和优异的发射效率的光传输介质。解决方案：光传输介质（1）通过将柔性管状容器（1b）中的透明液体（1a）密封而构成，其中锥形部分形成在密封帽（2）中，密封帽（2）光传输介质（1）。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2005141009A Optical transmission medium having improved quantity of emitted light 审中-公开
标题翻译：具有改进的发光量的光传输介质
公开(公告)号：JP2005141009A
公开(公告)日：2005-06-02
申请号：JP2003377606
申请日：2003-11-06
申请人： Nissei Electric Co Ltd , 日星電気株式会社
发明人： KOYANO MASUTAKA , OTA NAOKI
IPC分类号： G02B6/04 , G02B6/032 , G02B6/20
摘要： PROBLEM TO BE SOLVED: To provide a liquid fiber-containing optical transmission medium which does not exhibit the connection and insertion losses of a branched connector part and yields a a uniform quantity of light emission. SOLUTION: One end of this optical transmission medium is formed into a bundle (1) of optical fibers which are bound in a circular shape, and the other end is separated into two branches each of which is independently bound also in a circular shape to form an end part (3b). In order to make the end parts (3b) of two branches function as sealing plugs, the end parts (3b) are fit into hollow cylindrical bodies (4b) of liquid fibers (4). COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种不显示分支连接器部件的连接和插入损耗并产生均匀的发光量的含液体纤维的光传输介质。解决方案：该光传输介质的一端形成为光纤束（1），其被结合为圆形，另一端分成两个分支，每个分支独立地以圆形形成端部（3b）。为了使两个分支的端部（3b）用作密封塞，端部（3b）装配在液体纤维（4）的中空圆柱体（4b）中。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2004354800A Optical transmission medium 审中-公开
公开(公告)号：JP2004354800A
公开(公告)日：2004-12-16
申请号：JP2003153812
申请日：2003-05-30
申请人： Nissei Electric Co Ltd , 日星電気株式会社
发明人： MAEJIMA MASAYA , OTA NAOKI
IPC分类号： G02B6/00 , G02B6/04
CPC分类号： G02B6/2804
摘要： PROBLEM TO BE SOLVED: To provide a liquid fiber-containing optical transmission medium that has as small an outer diameter as possible at the end face on the converging end of a split connector and that thereby enables uniform and full incident or exiting light quantity to be obtained.
SOLUTION: A primary coated optical fiber bundle (1) with an end face (3a) circularly converged at one end is bisected at the other end into independent primary coated optical fiber bundles (2A). These circularly converged end faces (3b) of the bisected end are loaded with a liquid fiber (7).
COPYRIGHT: (C)2005,JPO&NCIPI

6. 发明专利

JP2004184559A Light guide with lens 审中-公开
公开(公告)号：JP2004184559A
公开(公告)日：2004-07-02
申请号：JP2002349157
申请日：2002-11-29
申请人： Nissei Electric Co Ltd , 日星電気株式会社
发明人： KATO HIDETO , HAYASHI ATSUSHI , OTA NAOKI
IPC分类号： G02B6/42 , F21V8/00 , F21Y101/00
摘要： PROBLEM TO BE SOLVED: To provide a light guide that is free from a degradation in light emitting efficiency, has simple structure, is compact in terms of dimension and shape, and provides uniform illuminance distribution under high illuminance.
SOLUTION: On the light emitting end (2b) of the light guide (2) composed of primary coated optical fiber group, a rod lens (3) whose end face is worked into a concave lens is mounted.
COPYRIGHT: (C)2004,JPO&NCIPI

7. 发明专利

JP2007072388A Multi-branch light guide 审中-公开
标题翻译：多分支指南
公开(公告)号：JP2007072388A
公开(公告)日：2007-03-22
申请号：JP2005262161
申请日：2005-09-09
申请人： Nissei Electric Co Ltd , 日星電気株式会社
发明人： KATO HIDETO , TAGAWA KEN , OTA NAOKI
IPC分类号： G02B6/04
摘要： PROBLEM TO BE SOLVED: To provide a small multi-branch light guide that excels in uniformity of outgoing light, that has a simple structure, and that is easy to manufacture. SOLUTION: In a three-branch light guide (2) in which a bundle of optical fibers are cylindrically constricted in an incident end (3) and exiting ends (5), there is arranged in an exiting end (5b) a group of optical fibers situated in such range (B) of the incident end (3) that corresponds to the position (b) of excellently uniform irradiation of a light source (1). COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种结构简单且易于制造的出射光均匀性优异的小型多分支光导。解决方案：在其中一束光纤在入射端（3）和出射端（5）中圆柱形收缩的三分支光导（2）中，布置在出射端（5b）a 位于入射端（3）的与光源（1）的良好均匀照射的位置（b）对应的范围（B）中的光纤组。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2005091634A Optical transmission medium 审中-公开
标题翻译：光传输介质
公开(公告)号：JP2005091634A
公开(公告)日：2005-04-07
申请号：JP2003323710
申请日：2003-09-16
申请人： Nissei Electric Co Ltd , 日星電気株式会社
发明人： KOYANO MASUTAKA , OTA NAOKI
IPC分类号： G02B6/032 , G02B6/20
摘要： PROBLEM TO BE SOLVED: To provide an optical transmission medium which hardly causes the deterioration in characteristics as optical fiber, has excellent bending property and is inexpensive. SOLUTION: A liquid fiber 1 constituted by sealing transparent liquid 1a into a flexible tubular vessel 1b is arranged in a flexible tubular jacket 3 via a fluid barrier layer 2. Therein, both end parts of the liquid fiber 1 is sealed with a seal member 1c and the liquid fiber 1, the fluid barrier layer 2 and the flexible tubular jacket 3 are fixedly positioned with a press-contacting member 4. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：解决的问题：为了提供几乎不会导致作为光纤的特性劣化的光传输介质，具有优异的弯曲性能并且便宜。解决方案：通过将透明液体1a密封成柔性管状容器1b构成的液体纤维1通过流体阻挡层2布置在柔性管状护套3中。其中，液体纤维1的两个端部用密封构件1c和液体纤维1，流体阻挡层2和柔性管状夹套3通过压力接触构件4固定地定位。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2005077764A Light guide 有权
标题翻译：光指导
公开(公告)号：JP2005077764A
公开(公告)日：2005-03-24
申请号：JP2003308180
申请日：2003-09-01
申请人： Nissei Electric Co Ltd , 日星電気株式会社
发明人： KATO HIDETO , OTA NAOKI
IPC分类号： G02B23/26 , G02B6/04
摘要： PROBLEM TO BE SOLVED: To provide a light guide that prevents ultraviolet rays leaking from the side of the light guide, and thereby protects a sealing member installed inside the light guide against deterioration by ultraviolet rays, and that has superior homogeneity, low transmission loss, and superior light emission efficiency.
SOLUTION: In the light-emitting end of the light guide body (2) formed of a group of optical fibers, a glass rod (3), having a metallic reflection layer (3c) on the side, is mounted.
COPYRIGHT: (C)2005,JPO&NCIPI

10. 发明专利

JP2004233699A Light guide 审中-公开
公开(公告)号：JP2004233699A
公开(公告)日：2004-08-19
申请号：JP2003022819
申请日：2003-01-30
申请人： Nissei Electric Co Ltd , 日星電気株式会社
发明人： KATO HIDETO , OTA NAOKI
IPC分类号： G02B6/04
摘要： PROBLEM TO BE SOLVED: To provide a light guide for a lighting system with simple structure and a compact dimensional shape, providing uniform illumination distribution in a high illumination degree, without lowering light emitting efficiency.
SOLUTION: A glass rod 3 having a light incident end face 3a with a larger area than that of a light emitting end face 2b is disposed facing the light emitting end face 2b of the light guide 2 formed of a group of optical fibers. The area S1 of the light incident end face of the glass rod satisfies a relation of S1=(1.1-1.5)S2, with respect to the area S2 of the light guide end face.
COPYRIGHT: (C)2004,JPO&NCIPI

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