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    Optical device
    1.
    发明授权
    Optical device 失效
    光学装置

    公开(公告)号：US06807337B2

    公开(公告)日：2004-10-19

    申请号：US10131047

    申请日：2002-04-25

    申请人： Shigeo Kittaka ,  Masahiro Oikawa

    发明人： Shigeo Kittaka ,  Masahiro Oikawa

    IPC分类号： G02B632

    CPC分类号： G02B6/2938 ,  G02B6/2937 ,  G02B6/32

    摘要： In an optical system in which light output from an optical fiber (11) is collimated into parallel light rays by a gradient index rod lens (13), reflected by a filter (4) and then converged again by the rod lens (13) so that the resulting light is coupled to an optical fiber (12), a principal beam component of the light output from the optical fiber (11) disagrees with an optical axis (32) of the optical fiber (12) to thereby cause a coupling loss. When W is the distance between optical axes (31 and 32) of optical fibers (11 and 12) and Z is the length of a rod lens (13) on an optical axis (33) of the rod lens, the optical fibers (11 and 12) and the rod lens (13) are disposed to satisfy the condition: W·g·(0.25−Z/P)2≦6×10−5 in which g is a gradient index distribution coefficient of the rod lens, and P is the periodic length of the rod lens (13).

    摘要翻译： 在由光纤（11）输出的光被梯度折射率棒状透镜（13）准直成平行光的光学系统中，被过滤器（4）反射，然后被棒状透镜（13）再次会聚 所得到的光耦合到光纤（12），从光纤（11）输出的光的主光束分量与光纤（12）的光轴（32）不一致，从而导致耦合损耗 。 当W是光纤（11和12）的光轴（31和32）之间的距离，Z是棒状透镜的光轴（33）上的棒状透镜（13）的长度时，光纤（11 和12）和棒状透镜（13）设置成满足条件：其中g是棒状透镜的梯度折射率分布系数，P是棒状透镜（13）的周期长度。

    Apparatus for preventing incorrect collating of signatures
    3.
    发明授权
    Apparatus for preventing incorrect collating of signatures 失效
    防止签名不正确整理的装置

    公开(公告)号：US4164651A

    公开(公告)日：1979-08-14

    申请号：US826068

    申请日：1977-08-19

    申请人： Masahiro Oikawa

    发明人： Masahiro Oikawa

    IPC分类号： B65H43/00 ,  B65H43/08 ,  H01J3/14

    CPC分类号： B65H43/08 ,  B65H43/00

    摘要： An incorrect collating preventing apparatus has a photoelectrical detector including at least one optical system which comprises a lens for converting light beams from a lamp into parallel light beams, and optical means for introducing the parallel light beams through a focusing lens to a surface of each signature and for introducing substantially all of the light beams reflected by the surface of each signature to a photoelectric element, the optical means being a reflector with a hole so as to allow the reflected light beams to pass through the hole, or a transparent plate with a reflector portion where the reflected light beams are focused and are directed to the photoelectric element.

    摘要翻译： 不正确的对照防止装置具有光电检测器，其包括至少一个光学系统，该光学系统包括用于将来自灯的光束转换成平行光束的透镜，以及用于将平行光束通过聚焦透镜引导到每个签名的表面的光学装置 并且用于将基本上由每个标记的表面反射的光束引入光电元件，光学装置是具有孔的反射器，以允许反射光束穿过孔，或者具有透明板 反射部分，其中反射光束被聚焦并被引导到光电元件。

    DROPOUT COLOR PROCESSING METHOD AND PROCESSING APPARATUS USING SAME
    4.
    发明申请
    DROPOUT COLOR PROCESSING METHOD AND PROCESSING APPARATUS USING SAME 有权
    使用相同的倒角颜色处理方法和处理设备

    公开(公告)号：US20090214109A1

    公开(公告)日：2009-08-27

    申请号：US12342627

    申请日：2008-12-23

    申请人： Keisuke NAKASHIMA ,  Shinichi Shinoda ,  Hiroshi Shojima ,  Masahiro Oikawa ,  Kazuki Nakashima ,  Yasuhiro Uchida

    发明人： Keisuke NAKASHIMA ,  Shinichi Shinoda ,  Hiroshi Shojima ,  Masahiro Oikawa ,  Kazuki Nakashima ,  Yasuhiro Uchida

    IPC分类号： G06K9/00

    CPC分类号： G06K9/2072 ,  G06K9/00449 ,  G06K2209/01

    摘要： It is possible to compatibly set multiple “dropout” color ranges and “non-dropout” color ranges and uniquely determine a dropout boundary. An object of the present invention is to greatly conserve maintenance cost of adding a new dropout form after apparatus operations. A conventional technology aims at assuring relation to a predetermined color region, determining the presence or absence of contention, or uniquely settling a dropout boundary. The present invention provides a means for supplying levels to a “dropout” color range and a “non-dropout” color range. A registered color range histogram can be quasi-three-dimensionally visualized so that an operator can make adjustment by viewing a contention determination result and an image.

    摘要翻译： 可以兼容地设置多个“压差”颜色范围和“非压差”颜色范围，并且唯一地确定出口边界。 本发明的目的是大大节省在装置操作之后添加新的压差形式的维护成本。 常规技术旨在确保与预定颜色区域的关系，确定争用的存在或不存在，或者唯一地建立退出边界。 本发明提供了一种用于向“缺失”颜色范围和“非滴落”颜色范围提供水平的装置。 注册的颜色范围直方图可以被准三维地可视化，使得操作者可以通过观看争用确定结果和图像进行调整。

    Optical device, optical path switching device and optical path switching method
    6.
    发明授权
    Optical device, optical path switching device and optical path switching method 失效
    光器件，光路切换器件及光路切换方法

    公开(公告)号：US07058254B2

    公开(公告)日：2006-06-06

    申请号：US10472073

    申请日：2002-03-14

    申请人： Noriaki Nagahata ,  Atsushi Miyake ,  Masahiro Oikawa ,  Junichi Nakano ,  Hiroshi Miyajima

    发明人： Noriaki Nagahata ,  Atsushi Miyake ,  Masahiro Oikawa ,  Junichi Nakano ,  Hiroshi Miyajima

    IPC分类号： G02B6/42

    CPC分类号： G02B6/3508 ,  G02B6/3586 ,  G02B6/3598 ,  G02B6/4219 ,  G02B6/4234 ,  H04B10/07

    摘要： In an optical monitor for monitoring signal lights from a plurality of optical fibers, emission surfaces of the plurality of optical fibers are arranged along a straight line, and a photodetecting surface of a photodetecting element disposed so as to face the emission surfaces is moved in parallel to the straight line along which the emission surfaces are arranged in such manner that light from each of the emission surfaces is received by the photodetecting element, so that the plurality of signal lights are made incident on the photodetecting element successively. The present optical monitor thereby is capable of monitoring a large number of transmission paths while requiring a small number of components.

    摘要翻译： 在用于监视来自多根光纤的信号光的光学监视器中，多条光纤的发射面沿着直线排列，并且与发射面对置配置的受光元件的受光面平行移动 以发光面排列的方式配置，使来自各发光面的光被受光元件接收，使多个信号光依次入射到受光元件上。 因此，本光监视器能够在需要少量部件的同时监视大量的传输路径。

    Optical communication system
    7.
    发明授权
    Optical communication system 有权
    光通信系统

    公开(公告)号：US06856451B2

    公开(公告)日：2005-02-15

    申请号：US10263340

    申请日：2002-10-03

    申请人： Masahiro Oikawa ,  Ken Yamashita ,  Chandrasekhar Roychoudhuri ,  Vladimir V. Serikov

    发明人： Masahiro Oikawa ,  Ken Yamashita ,  Chandrasekhar Roychoudhuri ,  Vladimir V. Serikov

    IPC分类号： G02F1/377 ,  G02F1/37 ,  H04B10/18 ,  H04J14/00 ,  H04J14/02

    CPC分类号： H04B10/2543 ,  G02F1/37 ,  H04J14/02

    摘要： An optical communication system is designed to suppress the generation of cross talk even in the case of small wavelength spacing and high bit-rate modulation. An Nth order harmonic generating device where N is an integer of 2 or larger is positioned before a demultiplexer to upconver the frequency or down convert the wavetlength of the light wave by N times. The frequency spacing between the carriers is increased and allows easier separation of the optical signal and permits denser WDM channels and/or higher data rate per channel. In addition, Si or GaAs based photodiodes may be used instead of InP based photodiodes since the 1550 nm bands are converted to 780 nm bands.

    摘要翻译： 光通信系统被设计成即使在小波长间隔和高比特率调制的情况下也能抑制串扰的产生。 其中N是2或更大的整数的N次谐波产生装置位于解复用器之前，以使频率上变频或将光波的长度向下转换N次。 载波之间的频率间隔增加，并且允许更容易地分离光信号并且允许更密集的WDM信道和/或每个信道更高的数据速率。 此外，由于1550nm波段被转换为780nm波段，所以可以使用Si或GaAs基光电二极管代替InP基光电二极管。

    Method of making a plate microlens
    9.
    发明授权
    Method of making a plate microlens 失效
    制作板微生物的方法

    公开(公告)号：US5104435A

    公开(公告)日：1992-04-14

    申请号：US616734

    申请日：1990-11-21

    申请人： Masahiro Oikawa ,  Tetsuya Yamasaki ,  Kouji Tanaka ,  Eiji Okuda

    发明人： Masahiro Oikawa ,  Tetsuya Yamasaki ,  Kouji Tanaka ,  Eiji Okuda

    IPC分类号： G02B3/00

    CPC分类号： C03C3/091 ,  C03C21/005 ,  C03C3/078 ,  C03C3/083 ,  C03C3/089 ,  G02B3/0087

    摘要： In a plate microlens of the invention, wherein gradient index lenses each having an optical axis along a normal to a surface of a transparent base and a refractive index profile gradually changing along a direction of the optical axis and a direction perpendicular thereto are formed integrally in the transparent base; a ratio d/a (where d is a thickness of the gradient index lens on the optical axis and 2a is a diameter of the gradient index lens on a surface of the transparent base) falls within a range of 0.46 to 0.78. In a method for manufacturing a plate microlens of the invention, of forming integrally in a transparent base, gradient index lenses with a gradient index profile based on a concentration gradient of a substance for increasing the refractive index of the transparent base, by forming a diffusion preventive mask with predetermined apertures on a surface of the transparent base and diffusing the substance into the transparent base through the apertures; a ratio a/rm (where rm is a radius of the apertures and a is a radius of the gradient index lenses to be formed) satisfies a relation 1.75.ltoreq.a/rm.ltoreq.4.5.

    Dropout color processing method and processing apparatus using same
    10.
    发明授权
    Dropout color processing method and processing apparatus using same 有权
    脱色处理方法和使用其的处理装置

    公开(公告)号：US08326028B2

    公开(公告)日：2012-12-04

    申请号：US12342627

    申请日：2008-12-23

    申请人： Keisuke Nakashima ,  Shinichi Shinoda ,  Hiroshi Shojima ,  Masahiro Oikawa ,  Kazuki Nakashima ,  Yasuhiro Uchida

    发明人： Keisuke Nakashima ,  Shinichi Shinoda ,  Hiroshi Shojima ,  Masahiro Oikawa ,  Kazuki Nakashima ,  Yasuhiro Uchida

    IPC分类号： G06K9/00

    CPC分类号： G06K9/2072 ,  G06K9/00449 ,  G06K2209/01

    摘要： It is possible to compatibly set multiple “dropout” color ranges and “non-dropout” color ranges and uniquely determine a dropout boundary. An object of the present invention is to greatly conserve maintenance cost of adding a new dropout form after apparatus operations. A conventional technology aims at assuring relation to a predetermined color region, determining the presence or absence of contention, or uniquely settling a dropout boundary. The present invention provides a means for supplying levels to a “dropout” color range and a “non-dropout” color range. A registered color range histogram can be quasi-three-dimensionally visualized so that an operator can make adjustment by viewing a contention determination result and an image.

    摘要翻译： 可以兼容地设置多个压差颜色范围和非压差颜色范围，并且唯一地确定出口边界。 本发明的目的是大大节省在装置操作之后添加新的压差形式的维护成本。 常规技术旨在确保与预定颜色区域的关系，确定争用的存在或不存在，或者唯一地建立退出边界。 本发明提供了一种用于提供水平到落下的颜色范围和非脱落的颜色范围的装置。 注册的颜色范围直方图可以被准三维地可视化，使得操作者可以通过观看争用确定结果和图像进行调整。