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276 条记录 (耗时 0.035 秒)

    Optical communication system
    71.
    发明授权
    Optical communication system 有权
    光通信系统

    公开(公告)号：US07221846B2

    公开(公告)日：2007-05-22

    申请号：US11361962

    申请日：2006-02-27

    申请人： Kenji Matsumoto ,  Hiroki Takahashi

    发明人： Kenji Matsumoto ,  Hiroki Takahashi

    IPC分类号： G02B6/00

    CPC分类号： G02B6/02038 ,  G02B6/4206

    摘要： In an optical communication system in which communication is conducted by transmitting light through a plastic optical fiber with a core diameter in the range from 300 to 600 μm, the average beam diameter and beam divergence angle expressed in terms of numerical aperture (NA) of the light at the input face of the optical fiber are set less than or equal to 250 μm, more preferably less than or equal to 200 μm, and less than or equal to 0.25, more preferably less than or equal to 0.2 respectively.

    摘要翻译： 在通过使光通过芯直径在300至600μm的塑料光纤进行通信的光通信系统中，平均光束直径和光束发散角以表示的数值孔径（NA）表示 在光纤的输入面上的光被设定为小于或等于250μm，更优选小于等于200μm，小于等于0.25，更优选小于或等于0.2。

    Gallium nitride based semiconductor laser and image exposure device
    74.
    发明授权
    Gallium nitride based semiconductor laser and image exposure device 有权
    基于氮化镓的半导体激光器和图像曝光装置

    公开(公告)号：US07113530B2

    公开(公告)日：2006-09-26

    申请号：US10329511

    申请日：2002-12-27

    申请人： Kenji Matsumoto ,  Toshiro Hayakawa

    发明人： Kenji Matsumoto ,  Toshiro Hayakawa

    IPC分类号： H01S5/00

    CPC分类号： B41J2/45 ,  H01S5/32341

    摘要： In order to obtain a visually high quality image with excellent sharpness using a silver halide photosensitive material, it is necessary to reduce the ratio of EL light in the light output from a GaN based laser diode to 20% or less. For example, when the light intensity measured on a sheet of photosensitive paper is 0.05 mW, the thickness of a waveguide is 3 nm and the width of the waveguide is 3 μm, this condition is satisfied with a length of a resonator being 1 mm or less. In other words, a waveguide width W1 and a resonator length L are set such that the product of the waveguide width W1 and the resonator length L (W1·L) becomes 0.003 mm2 or less. This reduces the output ratio of the EL light, and a high quality image with excellent sharpness can be obtained when a silver halide photosensitive material is exposed.

    摘要翻译： 为了使用卤化银感光材料获得具有优异清晰度的视觉上高质量的图像，需要将从GaN基激光二极管输出的光的EL光的比例降低到20％以下。 例如，当在一张感光纸上测量的光强度为0.05mW时，波导的厚度为3nm，波导的宽度为3μm，该条件满足谐振器的长度为1mm或 减。 换句话说，波导宽度W 1和谐振器长度L被设定为使得波导宽度W 1和谐振器长度L（W 1·L）的乘积成为0.003mm以下2以下 。 这降低了EL光的输出比，并且当曝光卤化银感光材料时可以获得具有优异清晰度的高质量图像。

    Wireless microphone system, voice receiving apparatus, and wireless microphone
    75.
    发明授权
    Wireless microphone system, voice receiving apparatus, and wireless microphone 有权

    公开(公告)号：US06987949B2

    公开(公告)日：2006-01-17

    申请号：US10283446

    申请日：2002-10-30

    申请人： Shohei Taniguchi ,  Kenji Matsumoto

    发明人： Shohei Taniguchi ,  Kenji Matsumoto

    IPC分类号： H04B15/00

    CPC分类号： H04R1/083 ,  H04R3/005 ,  H04R2420/07

    摘要： Herein disclosed is a wireless microphone system comprising a plurality of wireless microphones each having a microphone storage area having a unique global identification element stored therein, each of the wireless microphones operative to collect a voice, convert the voice thus collected into an audio signal, and transmit the audio signal and the global identification element; and a voice receiving apparatus for receiving the audio signal and the global identification element from a wireless microphone. The voice receiving apparatus includes a storage section for storing an identification table including a plurality of local identification elements in association with a plurality of global identification elements. The voice receiving apparatus is operative to assign a local identification element to the wireless microphone in accordance with the global identification element with reference to the identification table stored in the storage section, and transmit the local identification element to the wireless microphone, and the wireless microphone is operative to receive the local identification element, store the local identification element in the microphone storage area, and communicate with the voice receiving apparatus with the local identification element thus stored.

    Program writable IC card and method thereof
    78.
    发明授权
    Program writable IC card and method thereof 失效
    程序可写IC卡及其方法

    公开(公告)号：US06938165B2

    公开(公告)日：2005-08-30

    申请号：US09933801

    申请日：2001-08-22

    申请人： Masayuki Inoue ,  Shigeyuki Itoh ,  Yutaka Takami ,  Kenji Matsumoto

    发明人： Masayuki Inoue ,  Shigeyuki Itoh ,  Yutaka Takami ,  Kenji Matsumoto

    IPC分类号： G07F7/10 ,  H04L9/32

    CPC分类号： G07F7/1008 ,  G06Q20/3552

    摘要： An IC card and a method thereof for adding or changing a program for a memory for writing without adversely affecting the function of the IC card and by keeping the security of a program to be written later by restricting writing by a write control program having a decryption function or a program code conversion function.

    摘要翻译： 一种IC卡及其方法，用于添加或改变用于写入的存储器的程序，而不会不利地影响IC卡的功能，并且通过限制通过具有解密的写入控制程序的写入来保持稍后写入的程序的安全性 功能或程序代码转换功能。

    Contactless identification tag, data communication system and contactless identification tag control program
    79.
    发明申请
    Contactless identification tag, data communication system and contactless identification tag control program 有权
    非接触式识别标签，数据通信系统和非接触式识别标签控制程序

    公开(公告)号：US20050127180A1

    公开(公告)日：2005-06-16

    申请号：US10996818

    申请日：2004-11-23

    申请人： Kenji Matsumoto ,  Satoshi Aso

    发明人： Kenji Matsumoto ,  Satoshi Aso

    IPC分类号： G06K19/07 ,  G06K7/00 ,  G06K17/00 ,  H04B1/59 ,  H04B5/02 ,  G06K7/08 ,  G06K19/06

    CPC分类号： G06K7/10039 ,  G06K7/0008

    摘要： A data communication system includes a host device, a reader/writer device and a plurality of contactless identification tags. The contactless identification tag includes a data reception section, a data transmission section, a data control section, a data storage section, a driving electric current generation section and a coil antenna. In response to a command from the reader/writer device, the data control section generates a random number, and sets a time slot number based on the random number and a unique identification number stored in advance in the data storage section.

    摘要翻译： 数据通信系统包括主机设备，读写器设备和多个非接触式识别标签。 无接触识别标签包括数据接收部分，数据发送部分，数据控制部分，数据存储部分，驱动电流产生部分和线圈天线。 响应于来自读/写器设备的命令，数据控制部分生成随机数，并且基于在数据存储部分中预先存储的随机数和唯一标识号来设置时隙号。

    Semiconductor laser and fabricating method of the same
    80.
    发明授权
    Semiconductor laser and fabricating method of the same 失效
    半导体激光器及其制造方法相同

    公开(公告)号：US06793388B2

    公开(公告)日：2004-09-21

    申请号：US09873218

    申请日：2001-06-05

    申请人： Kenji Matsumoto

    发明人： Kenji Matsumoto

    IPC分类号： H01S500

    CPC分类号： H01S5/2231 ,  H01S5/0655 ,  H01S5/20 ,  H01S5/2036 ,  H01S5/204 ,  H01S5/205 ,  H01S5/2218

    摘要： A semiconductor laser having an S-ARROW structure confining a basic lateral mode light between a pair of guide layers extending with a gap therebetween, which increases a precision of a shape of a guide portion, and is capable of stably emitting a light in the basic lateral mode. In the semiconductor laser having an activation layer and a plurality of layers in parallel with the activation layer, a first groove penetrating through at least some of the layers is formed, and a pair of second grooves extending to predetermined positions toward both sides from the first groove are formed in a specified layer among the layers through which the first groove penetrates. Furthermore, a material having a refractive index higher than that of the specified layer is filled up in the second grooves, thus forming two portions having a high refractive index.

    摘要翻译： 一种具有S-ARROW结构的半导体激光器，其将基本横向模式光限制在一对引导层之间延伸的引导层之间，其中引导部分之间具有间隙，从而提高了引导部分的形状的精度，并且能够稳定地发射基本上的光 横向模式。 在具有激活层和与激活层平行的多个层的半导体激光器中，形成穿过至少一些层的第一凹槽，并且形成从第一部分朝向两侧延伸到预定位置的一对第二凹槽 槽形成在第一槽穿过的层中的规定层中。 此外，折射率高于特定层的材料填充在第二槽中，从而形成具有高折射率的两部分。