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    • 21. 发明授权
    • Spectrum spread communication system
    • 频谱传播通信系统
    • US08982926B2
    • 2015-03-17
    • US13704087
    • 2011-06-06
    • Yuji KasaiMasahiro MurakawaTetsuya Higuchi
    • Yuji KasaiMasahiro MurakawaTetsuya Higuchi
    • H04B1/00H04B1/7075H04B1/707H04B3/54H04J13/16H04B1/7073
    • H04B1/7075H04B1/707H04B1/7073H04B1/70735H04B3/542H04B2203/5416H04J13/16
    • Disclosed is a spectrum spread communication system which is hardly influenced by noises, and in which a frame structure can be identified at a receiving side without use of a frame synchronization signal. A spread code generator switches spread codes (“Scai” and “Scbi”) in each frame, and outputs it to a spread modulation unit. The spread modulation unit performs spread modulation of transmission data, and transmits it to a direct current power line. A reference code generator generates reference codes (“Scai” and “Scbi”) in the same code phase. Spread demodulation units performs spread demodulation of the received signal with use of the reference codes (“Scai” and “Scbi”), and output it to a selection unit. A frame synchronization detection unit identifies a frame structure on the basis of switching of a synchronization state of a code phase in a code phase synchronization detection unit. The selection unit outputs reception data by selecting spread demodulated data from the spread demodulation unit which is in a phase-synchronized state.
    • 公开了几乎不受噪声影响的频谱扩展通信系统,其中可以在接收侧识别帧结构而不使用帧同步信号。 扩展码发生器在每帧中切换扩展码(“Scai”和“Scbi”),并将其输出到扩展调制单元。 扩展调制单元执行发送数据的扩展调制,并将其发送到直流电力线。 参考代码生成器在相同的代码阶段生成参考代码(“Scai”和“Scbi”)。 扩展解调单元使用参考码(“Scai”和“Scbi”)对接收信号进行扩展解调,并将其输出到选择单元。 帧同步检测单元基于码相位同步检测单元中的码相位的同步状态的切换来识别帧结构。 选择单元通过从相位同步状态的扩展解调单元中选择扩展解调数据来输出接收数据。
    • 29. 发明授权
    • Artificial hand
    • 人造手
    • US06660043B2
    • 2003-12-09
    • US10157160
    • 2002-05-30
    • Isamu KajitaniTetsuya Higuchi
    • Isamu KajitaniTetsuya Higuchi
    • A61F254
    • A61F2/72A61F2/583A61F2/585A61F2/586A61F2002/30525A61F2002/5018A61F2002/587A61F2002/701A61F2220/0025
    • An artificial hand is constructed to sufficiently rotate the fingers as a unit using a smaller small-sized motor by decreasing the magnitude of the radius of rotation of its rotating motion. The artificial hand has a support part for rotatably supporting the fingers; a conversion device for converting a rotating output of a driving device to a linear motion; and a finger opening-and-closing operation part for converting a linear motion of the conversion device to an opening-and-closing operation of the fingers. A holding part rotatably holds the support part above or at an upper part of the driving device; and another driving device is arranged in a terminal device held by a wrist part. A rotating output of another driving device is converted to a rotational motion of the support part; and a rotating mechanism rotates the fingers and driving device as a unit around the holding part.
    • 构造人造手,通过减小其旋转运动的旋转半径的大小,使用较小的小型电动机将手指作为一个单元充分旋转。 人造手具有用于可旋转地支撑手指的支撑部分; 用于将驱动装置的旋转输出转换成线性运动的转换装置; 以及用于将转换装置的直线运动转换为手指的开闭操作的手指打开和关闭操作部分。 保持部可旋转地将支撑部保持在驱动装置的上部或上部; 并且另一个驱动装置设置在由腕部保持的终端装置中。 另一个驱动装置的旋转输出被转换成支撑部分的旋转运动; 并且旋转机构将手指和驱动装置作为围绕保持部的单元旋转。