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    • 2. 发明授权
    • Optical bus system and signal processor
    • 光总线系统和信号处理器
    • US06317242B1
    • 2001-11-13
    • US09221994
    • 1998-12-29
    • Shinobu OzekiTsutomu HamadaHiroki IshidaMasaki HirotaKazuhiro SakaiKenichi KobayashiMasao FunadaHiroshi Fujimagari
    • Shinobu OzekiTsutomu HamadaHiroki IshidaMasaki HirotaKazuhiro SakaiKenichi KobayashiMasao FunadaHiroshi Fujimagari
    • H04B1017
    • H04B10/801H05K1/02H05K1/14
    • An optical bus system comprising an optical bus is furnished, along two opposed edges, with a plurality of signal light input/output portions for inputting and outputting signal light to and from the bus. Any one of the signal light input/output portions on one edge of the bus inputs signal light thereto and propagates the light to the opposite edge at which another signal light input/output portion outputs the propagated signal light from the bus. The system also comprises a plurality of light emitting/receiving circuits corresponding to the signal light input/output portions. Each light emitting/receiving circuit has a signal light sending unit and a signal light receiving unit. The signal light sending unit generates signal light and sends the generated signal light into the optical bus through the corresponding signal light input/output portion. The signal light receiving unit acquires a received light signal upon receipt of the signal light output by the corresponding signal light input/output portion. At least one of the light receiving/emitting circuits on each edge of the optical bus has a repeating or reflecting part that causes the corresponding signal light sending unit to send out the signal light received by the corresponding signal light receiving unit.
    • 沿着两个相对的边缘,提供包括光学总线的光学总线系统,该多个信号光输入/输出部分用于向总线输入和输出信号光。 总线输入的一个边缘上的信号光输入/输出部分中的任何一个信号发光,并将光传播到另一信号光输入/输出部分从总线输出传播信号光的相对边缘。 该系统还包括对应于信号光输入/输出部分的多个发光/接收电路。 每个发光/接收电路具有信号光发送单元和信号光接收单元。 信号光发送单元产生信号光,并通过相应的信号光输入/输出部分将产生的信号光发送到光总线。 信号光接收单元在接收到由对应的信号光输入/输出部分输出的信号光时获取接收的光信号。 光总线的每个边缘上的光接收/发射电路中的至少一个具有使相应的信号光发送单元发出由对应的信号光接收单元接收的信号光的重复或反射部分。
    • 5. 发明申请
    • LASER DOPPLER BLOOD FLOW MEASURING METHOD AND DEVICE
    • 激光多普勒血液流量测量方法和装置
    • US20100280398A1
    • 2010-11-04
    • US12809738
    • 2008-12-19
    • Tadashi HachigaHiroki IshidaShunsuke AkiguchiHiroki ShirakawaTsugunobu AndohYasushi Kuraishi
    • Tadashi HachigaHiroki IshidaShunsuke AkiguchiHiroki ShirakawaTsugunobu AndohYasushi Kuraishi
    • A61B5/026
    • A61B5/0285A61B5/0261A61B5/411
    • [Subject] To provide laser Doppler blood flow measuring method and device which achieve multi-dimensional measurement efficiently at a high degree of accuracy over a wide range with a simple optical system and device.[Solving Means] Laser light from a semiconductor laser 12 is split and formed into sheet lights Ls using a cylindrical lens 22, and the sheet lights Ls are crossed with each other at a predetermined position. A lens system 30 configured to form an image of scattered lights into a linear shape at a linear irradiation site Lx where the sheet lights Ls cross with each other is provided. An optical fiber array 32 having a plurality of optical fibers 34 is provided at an image-forming position of the lens system 30. Avalanche photodiodes 42 configured to convert the scattered lights which are shifted in frequency by the Doppler effect caused by the blood flow into electric signals for the each optical fiber 34 are provided. The blood flow velocity in a tissue of a biological body at the linear irradiation site Lx is calculated from the scattered lights transformed from the laser light by being shifted in frequency by the Doppler effect and is scanned for the each optical fiber 34, whereby the blood flow velocity in the blood vessel in a predetermined area in the biological body is calculated.
    • [主题]提供使用简单的光学系统和装置,在宽范围内以高精度实现多维度测量的激光多普勒血流测量方法和装置。 [解决方案]使用柱面透镜22将来自半导体激光器12的激光分割并形成为片状光Ls,并且片状光Ls在预定位置彼此交叉。 提供了一种透镜系统30,其被配置为在片状光Ls彼此交叉的线性照射位置Lx处形成散射光的图像成线状。 具有多个光纤34的光纤阵列32设置在透镜系统30的图像形成位置。雪崩光电二极管42被配置为将频率偏移的散射光转换成由血流引起的多普勒效应 提供每个光纤34的电信号。 通过以多普勒效应使频率偏移从激光变换的散射光计算线状照射部位Lx处的生物体的组织中的血流速度,并扫描各光纤34,由此血液 计算生物体中预定区域中血管中的流速。
    • 10. 发明申请
    • Oil-free chain
    • 无油链
    • US20080161147A1
    • 2008-07-03
    • US11978404
    • 2007-10-29
    • Takashi NakagawaHiroki IshidaToshihiko AokiHirofumi Miki
    • Takashi NakagawaHiroki IshidaToshihiko AokiHirofumi Miki
    • F16G13/02
    • F16G13/06
    • An oil-free chain has bushings which protrude from the outer surfaces of the inner link plates into which they are press-fit, and extend into bushing supporting bores formed in the inner surfaces of the outer link plates of the chain. These bushing supporting bores are formed by a pressing operation which produces offsets in portions of the outer plate, so that, as the bushing supporting bores are formed in the inner surfaces of the outer plates, bosses are simultaneously formed on the outer surfaces. The connecting pins of the chain are press-fit into pin holes in these bosses. The bushing supporting bores are formed without removal of material by machining, and therefore the strength of the outer plates is not compromised.
    • 无油链条具有从其内压配合的内连接板的外表面突出的衬套,并且延伸到形成在链条的外链板的内表面中的衬套支撑孔中。 这些衬套支撑孔通过在外板的部分产生偏移的按压操作形成,使得当衬套支撑孔形成在外板的内表面中时,凸台同时形成在外表面上。 链条的连接销压配合到这些凸台的销孔中。 衬套支撑孔通过机械加工形成而不去除材料,因此不会损害外板的强度。