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    • 12. 发明授权
    • Transmission line driving circuit
    • 传输线驱动电路
    • US07902835B2
    • 2011-03-08
    • US11916232
    • 2006-05-18
    • Takayuki NakamuraTakashi Sekino
    • Takayuki NakamuraTakashi Sekino
    • G01R29/26G01R27/28
    • H04L25/03343H04L25/0288
    • A transmission line driving circuit that can support a high-rate signal transmission and further can perform appropriate loss compensation in accordance with a signal pattern. A transmission line driving circuit 1 comprises a plurality of driver input circuits 20 that serve as signal analyzing unit for analyzing the content of the signal pattern of an input signal; a plurality of lowpass filters 30; a plurality of gain adjusting circuits 40; a plurality of adders 50; and adder 52; and a driver output circuit 60 that outputs, in accordance with a signal analysis result, a signal the phase of which has been adjusted in such a direction that cancels the timing deviation caused by a loss occurring when the input signal is transmitted to the transmission path. The output signal from the driver output circuit 60 is transmitted to the transmission path 2.
    • 一种传输线路驱动电路,其能够支持高速率信号传输,并且还可以根据信号模式执行适当的损耗补偿。 传输线驱动电路1包括多个驱动器输入电路20,其用作用于分析输入信号的信号模式的内容的信号分析单元; 多个低通滤波器30, 多个增益调整电路40; 多个加法器50; 和加法器52; 以及驱动器输出电路60,其根据信号分析结果输出其相位已经被调整的信号,该信号在消除由输入信号被发送到传输路径时发生的损失引起的定时偏移的方向上 。 来自驱动器输出电路60的输出信号被发送到传输路径2。
    • 13. 发明申请
    • ENDOSCOPE SYSTEM, ENDOSCOPE, AND DRIVING METHOD
    • 内窥镜系统,内窥镜和驱动方法
    • US20100317923A1
    • 2010-12-16
    • US12787269
    • 2010-05-25
    • Azuchi EndoTakayuki IidaTakao OzakiTakayuki NakamuraOsamu Kuroda
    • Azuchi EndoTakayuki IidaTakao OzakiTakayuki NakamuraOsamu Kuroda
    • A61B1/07
    • A61B1/042A61B1/0008A61B1/00188A61B1/0053A61B1/0653
    • An endoscope includes an elongated tube. An objective lens system is disposed in the elongated tube, for passing image light from an object. A fiber optic image guide includes plural optical fibers bundled together, has a distal tip, is inserted through the elongated tube, for transmitting the image light focused on the distal tip by the objective lens system in a proximal direction. A displacing device displaces the distal tip laterally and periodically upon receiving entry of the image light being focused by use of a piezoelectric actuator positioned outside the distal tip. An image sensor creates images in plural set positions of the distal tip. First to fourth images among the plural images created consecutively are combined to form a first synthesized image. Then second to fifth images among the plural images without use of the first image are combined to form a second synthesized image.
    • 内窥镜包括细长管。 物镜系统设置在细长管中,用于使来自物体的图像光通过。 纤维光学图像引导件包括捆扎在一起的多个光纤,具有远端,通过细长管插入,用于通过物镜系统沿近端方向透射聚焦在远端上的图像光。 移位装置在通过使用定位在远侧末端外侧的压电致动器接收到被聚焦的图像光的进入时侧向和周期性地移位。 图像传感器创建远端尖端的多个设定位置的图像。 连续创建的多个图像中的第一至第四图像被组合以形成第一合成图像。 然后,不使用第一图像的多个图像中的第二至第五图像被组合以形成第二合成图像。
    • 14. 发明申请
    • FLUID CONTROL DEVICE AND FLUID CONTROL METHOD, AND ENDOSCOPE APPARATUS
    • 流体控制装置和流体控制方法以及内窥镜装置
    • US20100292536A1
    • 2010-11-18
    • US12779123
    • 2010-05-13
    • Shinichi YamakawaTsuyoshi AshidaTakayuki Nakamura
    • Shinichi YamakawaTsuyoshi AshidaTakayuki Nakamura
    • A61B1/00A61M29/00
    • A61M25/10185A61B1/00094A61B1/015A61M25/10187
    • A fluid control device which controls a flow rate of a fluid supplied or sucked to or from an inflation and deflation member, includes: a first pipe system connected to the inflation and deflation member, wherein the fluid flow of a predetermined flow rate is supplied to the first pipe system; a second pipe system connected to the inflation and deflation member, wherein a fluid flow of a flow rate lower than the predetermined flow rate is supplied to the second pipe system; a device which switches the first pipe system to the second pipe system when a predetermined amount of fluid is supplied or sucked to or from the inflation and deflation member through the first pipe system; and a device which controls the pressure in the inflation and deflation device by using the second pipe system based on a pressure in the second pipe system.
    • 一种流体控制装置,其控制向充气和放气构件供给或吸入的流体的流量,包括:连接到充气和放气构件的第一管道系统,其中将预定流量的流体流供应到 第一管系; 连接到充气和放气构件的第二管道系统,其中将低于预定流量的流量的流体流供应到第二管道系统; 当通过所述第一管道系统向所述充气和放气构件供应或吸入预定量的流体时,将所述第一管道系统切换到所述第二管道系统的装置; 以及通过使用基于第二管道系统中的压力的​​第二管道系统来控制充气和放气装置中的压力的​​装置。
    • 15. 发明申请
    • JITTER GENERATING CIRCUIT
    • 智能发电机
    • US20100201421A1
    • 2010-08-12
    • US11916247
    • 2006-06-18
    • Takayuki NakamuraTakashi Sekino
    • Takayuki NakamuraTakashi Sekino
    • H03K5/156
    • H03K5/156G01R31/2841G01R31/31709H03K3/84H03K7/08
    • A jitter generating circuit wherein a simple structure can be used to generate a pattern effect jitter. A jitter generating circuit 1 comprises a driver input circuit 20 that serves as a signal analyzing unit for analyzing the contents of the signal pattern of an input signal; a plurality of gain adjusting circuits 30; a plurality of lowpass filters 40; a plurality of adders 50; an adder 52; and a driver output circuit 60 that outputs a signal obtained by adjusting, in accordance with a signal analysis result, the phase of the input signal in such a direction in which the change timing deviates when the input signal is transmitted to the transmission line. Thus, the phase of an input signal is adjusted, thereby adding the jitter to the input signal.
    • 抖动发生电路,其中可以使用简单的结构来产生模式效果抖动。 抖动发生电路1包括用作​​信号分析单元的驱动器输入电路20,用于分析输入信号的信号模式的内容; 多个增益调整电路30; 多个低通滤波器40; 多个加法器50; 加法器52; 以及驱动器输出电路60,其输出通过根据信号分析结果,当输入信号被发送到传输线时,在改变定时偏离的方向上调整输入信号的相位而获得的信号。 因此,输入信号的相位被调整,从而将抖动加到输入信号上。
    • 17. 发明授权
    • Test apparatus and test method
    • 试验装置及试验方法
    • US07512872B2
    • 2009-03-31
    • US11600676
    • 2006-11-16
    • Toshiaki AwajiTakashi SekinoTakayuki Nakamura
    • Toshiaki AwajiTakashi SekinoTakayuki Nakamura
    • G11B27/00H03M13/00G01R31/28
    • G01R31/31922G01R31/3016G01R31/31725G01R31/31727
    • The apparatus includes a first variable delay circuit that delays a data signal from a device under test (DUT) to output a delay data signal; a second variable delay circuit that delays a clock signal to output a first delay clock signal; a first FF that acquires the delay data signal based on a reference clock; a second FF that acquires the first delay clock signal based on the clock; a first delay adjusting section that adjusts a delay amount of at least one of the first and second variable delay circuits so that the first and second FFs acquire the delay data signal and the first delay clock signal when the signals are changed; a third variable delay circuit that delays the clock signal to output a second delay clock signal; a second delay adjusting section that adjusts a delay amount of the third variable delay circuit based on the acquired first delay clock signal of which a phase is adjusted by the first delay adjusting section when the second delay clock is changed, in order to adjust a phase difference between the first and second delay clock signals to a desired phase difference; a deciding section that decides the quality of the data signal from the DUT based on a result obtained by acquiring the delay data signal when the second delay clock signal is changed.
    • 该装置包括:第一可变延迟电路,用于延迟来自被测器件(DUT)的数据信号以输出延迟数据信号; 延迟时钟信号以输出第一延迟时钟信号的第二可变延迟电路; 基于参考时钟获取延迟数据信号的第一FF; 第二FF,其基于时钟获取第一延迟时钟信号; 第一延迟调整部分,调整第一和第二可变延迟电路中的至少一个的延迟量,使得当信号改变时第一和第二FF获取延迟数据信号和第一延迟时钟信号; 第三可变延迟电路,延迟所述时钟信号以输出第二延迟时钟信号; 第二延迟调整部分,当第二延迟时钟改变时,基于所获取的第一延迟时钟信号调整第三可变延迟电路的延迟量,该第一延迟时钟信号由第一延迟调整部分调整相位,以便调整相位 第一和第二延迟时钟信号之间的差异达到期望的相位差; 判定部,其基于当所述第二延迟时钟信号改变时通过获取所述延迟数据信号获得的结果来决定来自所述DUT的数据信号的质量。
    • 18. 发明授权
    • Optical transmitting and receiving module holder and optical module
    • 光发射和接收模块支架和光模块
    • US07488124B2
    • 2009-02-10
    • US11784713
    • 2007-04-09
    • Takayuki Nakamura
    • Takayuki Nakamura
    • G02B6/36
    • G02B6/4292G02B6/4206G02B6/4246
    • An optical transmitting and receiving module holder that can quickly, easily, and accurately adjust the relative positions of an optical transmitting module holder section and an optical receiving module holder section is provided. An optical transmitting and receiving module holder includes a first optical module holder section and a second optical module holder section. A lens is integrally formed between an optical fiber attaching section and a photoelectric conversion element housing section in the first optical module holder section. A lens is integrally formed between an optical fiber attaching section and a photoelectric conversion element housing section in the second optical module holder section. Any of a plurality of protruding sections formed on side surfaces of the photoelectric conversion element housing section of the second optical module holder section is engaged with a groove section formed on a side surface of the photoelectric conversion element housing section of the first optical module holder section. Relative positions of the first optical module holder section and the second optical module holder section are adjusted.
    • 提供一种能够快速,容易且准确地调整光发送模块保持部和光接收模块保持部的相对位置的光发送接收模块支架。 光发送和接收模块支架包括第一光模块支架部分和第二光模块支架部分。 在第一光模块保持部中的光纤安装部和光电转换元件收容部之间一体地形成透镜。 在第二光学模块保持部中的光纤安装部和光电转换元件收容部之间一体地形成透镜。 形成在第二光模块保持部的光电转换元件收纳部的侧面的多个突出部中的任一个与形成在第一光模块保持部的光电转换元件收纳部的侧面的槽部卡合 。 调整第一光模块保持部和第二光模块保持部的相对位置。
    • 20. 发明申请
    • ELECTRONIC DEVICE, CIRCUIT AND TEST APPARATUS
    • 电子设备,电路和测试装置
    • US20070262800A1
    • 2007-11-15
    • US11759240
    • 2007-06-07
    • Toshiaki AwajiTakashi SekinoTakayuki Nakamura
    • Toshiaki AwajiTakashi SekinoTakayuki Nakamura
    • H03K3/84
    • G01R31/31922G01R31/3016G01R31/31725G01R31/31727
    • There is provided an electronic device for receiving an input data signal and an input clock signal that indicates a timing to obtain the input data signal. The electronic device includes a first adjusting section that adjusts a phase difference between the input data signal and the input clock signal so as to be equal to a first phase difference, and outputs the resulting signals as a first data signal and a first clock signal, a phase varying section that outputs a second clock signal having a designated phase difference with respect to the first clock signal, and a second adjusting section that adjusts the phase difference of the second clock signal with respect to the first clock signal so as to be equal to a second phase difference, based on a result of obtaining the first clock signal at a varying timing of the second clock signal.
    • 提供了一种用于接收输入数据信号的电子设备和指示获取输入数据信号的定时的输入时钟信号。 该电子设备包括第一调整部分,其将输入数据信号和输入时钟信号之间的相位差调整为等于第一相位差,并将所得信号作为第一数据信号和第一时钟信号输出, 输出相对于第一时钟信号具有指定的相位差的第二时钟信号的相变部分,以及相对于第一时钟信号调整第二时钟信号的相位差相等的第二调整部分 基于在第二时钟信号的变化定时获得第一时钟信号的结果,获得第二相位差。