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    • 71. 发明申请
    • DATA REPRODUCTION CIRCUIT
    • 数据复制电路
    • US20100164575A1
    • 2010-07-01
    • US12377081
    • 2006-09-04
    • Naoki SuzukiHitoyuki TagamiMasamichi NogamiJunichi Nakagawa
    • Naoki SuzukiHitoyuki TagamiMasamichi NogamiJunichi Nakagawa
    • H03L7/06H03L7/00
    • H04L7/0338H04L7/04
    • Provided is a data recovery circuit including an input data phase detection circuit for outputting a gate signal synchronized with a rising phase of input data, a gated multiphase oscillator for instantly generating N-phase clocks based on the gate signal as a trigger, data discriminating and reproducing circuits for outputting sampled data of the input data which are synchronized with the clocks, a continuous clock generation circuit for generating a continuous clock which is a reference clock, continuous clock synchronization circuits for synchronizing the sampled data with the continuous clock and outputting the synchronized sampled data as phase synchronization data, and a phase selector for selecting the phase synchronization data having an optimum discrimination phase with the largest phase margin with respect to the input data and outputting the selected phase synchronization data as recovery data.
    • 提供了一种数据恢复电路,包括输入数据相位检测电路,用于输出与输入数据的上升相位同步的门信号,门控多相振荡器,用于基于门信号作为触发立即产生N相时钟,数据识别和 用于输出与时钟同步的输入数据的采样数据的再现电路,用于产生作为参考时钟的连续时钟的连续时钟产生电路,用于使采样数据与连续时钟同步的连续时钟同步电路,并输出同步 采样数据作为相位同步数据,以及相位选择器,用于相对于输入数据选择具有最大相位裕度的最佳鉴别相位的相位同步数据,并输出所选择的相位同步数据作为恢复数据。
    • 72. 发明申请
    • VEHICLE FRONT SHOCK ABSORBING STRUCTURE
    • 车辆前冲击吸收结构
    • US20100102581A1
    • 2010-04-29
    • US12445051
    • 2007-10-02
    • Naoki GodaNaoki Suzuki
    • Naoki GodaNaoki Suzuki
    • B60R19/44
    • B60R19/18B60R2019/186
    • A front shock absorbing structure of a vehicle includes a bumper reinforcement member that is disposed in a vehicle width direction in a front portion of a vehicle body and is formed as a rigid elongated member, and a shock absorbing member that is positioned on a front surface of the bumper reinforcement member. The shock absorbing member is vertically divided into a first shock absorbing portion and a second shock absorbing portion. The first and second shock absorbing portions are integrally coupled to each other at a forward side, so as to define a space therebetween at a rearward side. The coupling can be broken when an impact is applied by an impactor from ahead. The second shock absorbing portion has a protruding portion that is projected toward the space.
    • 车辆的前部减震结构包括保险杠加强构件,该保险杠加强构件设置在车体前部的车辆宽度方向上,并且形成为刚性细长构件,以及位于前表面上的减震构件 的保险杠加强件。 冲击吸收构件被垂直地分成第一冲击吸收部分和第二冲击吸收部分。 第一和第二冲击吸收部分在前侧彼此一体地联接,从而在后侧确定其间的空间。 当冲击器从前方施加冲击时,联轴器可能会损坏。 第二减震部具有向该空间突出的突出部。
    • 76. 发明申请
    • COMMUNICATION APPARATUS, TRANSMITTER, RECEIVER, AND ERROR CORRECTION OPTICAL COMMUNICATION SYSTEM
    • 通信设备,发射机,接收机和错误校正光通信系统
    • US20070104225A1
    • 2007-05-10
    • US11278274
    • 2006-03-31
    • Takashi MizuochiNaoki SuzukiSeiji Kozaki
    • Takashi MizuochiNaoki SuzukiSeiji Kozaki
    • H04J3/00
    • H04L1/0041H03M13/1515H03M13/17H03M13/2707H04L1/0071
    • A communication apparatus includes a transmitter and a receiver, wherein the transmitter further includes: an interleaver that rearranges positions of bits of an information frame; an FEC encoder that performs an error correction encoding to the information frame whose bit positions have been rearranged; and a selector that inserts FEC parity into predetermined positions of the information frame, to thereby generate a transmission signal, whereas the receiver includes: a selector that extracts an information frame part and an FEC parity part from a reception signal; an interleaver that rearranges positions of the bits of the information frame part using the same rule as that used at that transmitter side; an FEC decoder that corrects an error of bits rearranged based on the error correction parity part; and a de-interleaver that reproduces an information frame by returning positions of error-corrected bits to original bit positions.
    • 通信装置包括发射机和接收机,其中所述发射机还包括:交织器,其重新排列信息帧的比特位置; FEC编码器,其对位位置重新排列的信息帧执行纠错编码; 以及选择器,其将FEC奇偶校验插入信息帧的预定位置,从而生成发送信号,而接收机包括:从接收信号中提取信息帧部分和FEC奇偶校验部分的选择器; 使用与在该发送机侧使用的规则相同的规则来重新排列信息帧部分的位的位置的交织器; FEC解码器,其基于纠错奇偶校验部分校正重新排列的比特的错误; 以及通过将错误校正的比特的位置返回到原始比特位置来再现信息帧的去交织器。
    • 77. 发明授权
    • Optical amplifying repeater apparatus and optical amplifying/repeating transmission system
    • 光放大中继器和光放大/重复传输系统
    • US07170673B2
    • 2007-01-30
    • US10713259
    • 2003-11-17
    • Kuniaki MotoshimaKatsuhiro ShimizuJunichi NakagawaNaoki Suzuki
    • Kuniaki MotoshimaKatsuhiro ShimizuJunichi NakagawaNaoki Suzuki
    • H01S4/00H04B10/12
    • H04B10/2941H04B10/296H04B2210/258H04J14/0221
    • Light signals of first to n-th bands amplified en bloc undergo proper attenuation through an adjustable optical attenuator in conformance with attenuation in an optical fiber connected to input of an optical amplifying repeater apparatus, whereon the light signals are demultiplexed or separated into individual bands and amplified by first to n-th fixed-gain optical amplifiers (#1, . . . , #n) each having a high fixed gain in the respective bands to be subsequently multiplexed by an optical multiplexer and then sent out onto a transmission line. A monitoring light branching device extracts a part of light power of a specific monitoring wavelength, which is then fed to an adjustable attenuator control circuit which controls the attenuation factor of the adjustable optical attenuator so that the light power of the specific wavelength remains constant. The gain of the optical amplifying repeater apparatus at the specific wavelength can thus be determined. By employing as the optical amplifying medium a substantially homogeneous medium, the gain for the other wavelengths can be fixed. The optical amplifying repeater apparatus whose gain is essentially independent of the change in the number of the wavelengths can thus be realized.
    • 第一至第n个频带放大的光信号通过可调节的光衰减器经过适当的衰减,其符合连接到光放大中继器设备的输入的光纤中的衰减,其中光信号被解复用或分离成单个频带, 由第一至第n固定增益光放大器(#1,...,#n)放大,每个固定增益光放大器(#1,...,#n)在各个频带中具有高固定增益,随后由光复用器复用,然后发送到传输线。 监视光分支装置提取特定监视波长的一部分光功率,然后将其馈送到可调节衰减器控制电路,该可调节衰减器控制电路控制可调节光衰减器的衰减因子,使得特定波长的光功率保持恒定。 因此可以确定特定波长的光放大中继器装置的增益。 通过采用基本均匀的介质作为光放大介质,可以固定其它波长的增益。 因此可以实现其增益基本上与波长数量的变化无关的光放大中继器装置。
    • 80. 发明授权
    • Optical amplifying repeater apparatus and optical amplifying/repeating transmission system
    • 光放大中继器和光放大/重复传输系统
    • US06873456B2
    • 2005-03-29
    • US10217110
    • 2002-08-12
    • Kuniaki MotoshimaKatsuhiro ShimizuJunichi NakagawaNaoki Suzuki
    • Kuniaki MotoshimaKatsuhiro ShimizuJunichi NakagawaNaoki Suzuki
    • H04B10/294H04B10/296H04J14/02H01S3/00
    • H04B10/2941H04B10/296H04B2210/258H04J14/0221
    • Light signals of first to n-th bands amplified en bloc undergo proper attenuation through an adjustable optical attenuator in conformance with attenuation in an optical fiber connected to input of an optical amplifying repeater apparatus, whereon the light signals are demultiplexed or separated into individual bands and amplified by first to n-th fixed-gain optical amplifiers (#1, . . . , #n) each having a high fixed gain in the respective bands to be subsequently multiplexed by an optical multiplexer and then sent out onto a transmission line. A monitoring light branching device extracts a part of light power of a specific monitoring wavelength, which is then fed to an adjustable attenuator control circuit which controls the attenuation factor of the adjustable optical attenuator so that the light power of the specific wavelength remains constant. The gain of the optical amplifying repeater apparatus at the specific wavelength can thus be determined. By employing as the optical amplifying medium a substantially homogeneous medium, the gain for the other wavelengths can be fixed. The optical amplifying repeater apparatus whose gain is essentially independent of the change in the number of the wavelengths can thus be realized.
    • 第一至第n个频带放大的光信号通过可调节的光衰减器经过适当的衰减,其符合连接到光放大中继器设备的输入的光纤中的衰减,其中光信号被解复用或分离成单个频带, 由第一至第n固定增益光放大器(#1,...,#n)放大,每个固定增益光放大器(#1,...,#n)在各个频带中具有高固定增益,随后由光复用器复用,然后发送到传输线。 监视光分支装置提取特定监视波长的一部分光功率,然后将其馈送到可调节衰减器控制电路,该可调节衰减器控制电路控制可调节光衰减器的衰减因子,使得特定波长的光功率保持恒定。 因此可以确定特定波长的光放大中继器装置的增益。 通过采用基本均匀的介质作为光放大介质,可以固定其它波长的增益。 因此可以实现其增益基本上与波长数量的变化无关的光放大中继器装置。