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    • 7. 发明授权
    • Communication terminal apparatus, communication apparatus, and signal receiving method
    • 通信终端装置,通信装置和信号接收方法
    • US08422612B2
    • 2013-04-16
    • US12382680
    • 2009-03-20
    • Satoshi IdeKazuyuki Mori
    • Satoshi IdeKazuyuki Mori
    • H04B1/10H04L27/00H04B10/06
    • H04L7/08H04L25/45H04Q11/0067H04Q2011/0079
    • A communication terminal apparatus receives a management signal at a bit rate A and a data signal at a bit rate B (B=A×M) through the same line. The communication terminal apparatus includes a signal regenerating unit, a management signal converting unit, a timing control unit, and a data signal obtaining unit. The signal regenerating unit regenerates a signal transmitted through the line as a signal of a bit rate C (C=A×N). The management signal converting unit converts N bits of the regenerated signal into the management signal of one bit. The timing control unit controls timing for obtaining a data signal based on the management signal. The data signal obtaining unit obtains the data signal according to timing control of the timing control unit.
    • 通信终端装置通过同一行接收比特率A的管理信号和比特率B(B = A×M)的数据信号。 通信终端设备包括信号再生单元,管理信号转换单元,定时控制单元和数据信号获取单元。 信号再生部将作为比特率C(C = A×N)的信号的线路发送的信号再生。 管理信号转换单元将再生信号的N位转换为一位的管理信号。 定时控制单元控制基于管理信号获得数据信号的定时。 数据信号获取单元根据定时控制单元的定时控制获得数据信号。
    • 8. 发明授权
    • Light modulation device
    • 调光装置
    • US08184355B2
    • 2012-05-22
    • US12230792
    • 2008-09-04
    • Yukito TsunodaSatoshi Ide
    • Yukito TsunodaSatoshi Ide
    • G02F1/00G02F1/01G02B26/00
    • G02F1/0123G02F1/225H04B10/505H04B10/5561
    • A light modulation device capable of stabilizing a phase set in phase modulation processing and improving optical communication quality. A phase modulator is provided for each of plural branched input lights and performs phase modulation of the input light. A phase shifter is provided at the upstream or downstream of the phase modulator and shifts a phase of the input light or of the phase-modulated light. A light interference section causes the output lights from the light modulator to interfere with each other to generate a multilevel phase modulated signal and interference light having a phase state different from that of the modulated signal. A monitor receives the interference light and outputs an electric signal according to the intensity. A phase shift controller generates a phase control signal based on the electric signal and applies the signal to the shifter to control the phase shift amount to be set by the shifter.
    • 一种能够稳定相位调制处理中的相位并提高光通信质量的光调制装置。 为多个分支输入光中的每一个提供相位调制器,并执行输入光的相位调制。 在相位调制器的上游或下游设置移相器,并移相输入光或相位调制光的相位。 光干涉部分使得光调制器的输出光彼此干涉以产生具有与调制信号不同的相位状态的多电平相位调制信号和干涉光。 监视器接收干扰光,并根据强度输出电信号。 相移控制器基于电信号产生相位控制信号,并将该信号施加到移位器,以控制由移位器设定的相移量。
    • 10. 发明授权
    • Signal detecting apparatus, signal receiving apparatus, and signal detecting method
    • 信号检测装置,信号接收装置和信号检测方法
    • US07863939B2
    • 2011-01-04
    • US12320592
    • 2009-01-29
    • Tetsuji YamabanaSatoshi Ide
    • Tetsuji YamabanaSatoshi Ide
    • H03K5/153
    • H03K5/153
    • A signal detecting apparatus detects a signal received based on a current received and includes a detecting unit that detects, in the current received, a peak equal to or higher than a threshold and a time counting unit that counts a given period of time from a point in time of detection of the peak by the detecting unit. The signal detecting apparatus further includes a determining unit that determines whether the detecting unit has detected the peak again within the given period of time counted by the time counting unit. An output unit of the signal detecting apparatus outputs information indicating detection of the signal received when the determining unit determines that the peak has been detected again.
    • 信号检测装置根据接收到的当前的信号检测接收到的信号,并且包括检测单元,该检测单元检测当前接收到的峰值等于或高于阈值的时间计数单元,以及从点 在检测单元检测到峰值的时间。 信号检测装置还包括确定单元,其确定检测单元是否在由计时单元计数的给定时间段内再次检测到峰值。 信号检测装置的输出单元输出指示当确定单元确定已经再次检测到峰值时接收到的信号的检测的信息。