公开(公告)号：US20130170583A1

公开(公告)日：2013-07-04

申请号：US13615463

申请日：2012-09-13

申请人： Kiyotaka Ichiyama ,  Masahiro Ishida

发明人： Kiyotaka Ichiyama ,  Masahiro Ishida

IPC分类号： H04L27/04 ,  H04L27/06

CPC分类号： H04L27/32 ,  H04L27/02 ,  H04L27/2601

摘要： Provided are a transmitting system including a pulse amplitude modulator section that pulse amplitude modulates an input signal into a set of first and second pulse amplitude modulated signals, a first frequency signal output section that outputs a first frequency signal, a first amplitude shift keying modulator section that amplitude shift keying modulates, using the first frequency signal, the first pulse amplitude modulated signal into an amplitude shift keying modulated signal, an adder section that adds together the amplitude shift keying modulated signal and the second pulse amplitude modulated signal to generate a transmission signal, and a transmitter section that transmits the transmission signal, a transmitting method, a receiving system for receiving the signal transmitted from the transmitting system and a receiving method.

摘要翻译： 提供一种发送系统，包括：脉冲幅度调制部，其将输入信号振幅调制成一组第一和第二脉冲幅度调制信号;第一频率信号输出部，其输出第一频率信号;第一振幅键控调制部; 该振幅移动键控使用第一频率信号将第一脉冲幅度调制信号调制成幅移键控调制信号，加法器部分将振幅移位键控调制信号和第二脉冲幅度调制信号相加，以产生发送信号 以及发送发送信号的发送部，发送方法，接收从发送系统发送的信号的接收系统和接收方法。

公开(公告)号：US08405067B2

公开(公告)日：2013-03-26

申请号：US12961134

申请日：2010-12-06

申请人： Jun Shimizu ,  Shinichi Kohda ,  Yasuhiro Yamada ,  Naohide Wakita ,  Masahiro Ishida

发明人： Jun Shimizu ,  Shinichi Kohda ,  Yasuhiro Yamada ,  Naohide Wakita ,  Masahiro Ishida

IPC分类号： H01L29/06 ,  H01L31/0328 ,  H01L31/0336 ,  H01L31/072 ,  H01L31/109

CPC分类号： H01L21/02381 ,  H01L21/02458 ,  H01L21/02507 ,  H01L21/0254 ,  H01L29/2003 ,  H01L29/7787 ,  H01L29/872

摘要： A nitride semiconductor element includes: a strain suppression layer formed on a silicon substrate via an initial layer; and an operation layer formed on the strain suppression layer. The strain suppression layer includes a first spacer layer, a second spacer layer formed on and in contact with the first spacer layer, and a superlattice layer formed on and in contact with the second spacer layer. The first spacer layer is larger in lattice constant than the second spacer layer. The superlattice layer has first layers and second layers smaller in lattice constant than the first layers stacked alternately on top of one another. The average lattice constant of the superlattice layer is smaller than the lattice constant of the first spacer layer and larger than the lattice constant of the second spacer layer.

摘要翻译： 氮化物半导体元件包括：通过初始层在硅衬底上形成的应变抑制层; 以及形成在应变抑制层上的操作层。 应变抑制层包括第一间隔层，与第一间隔层形成并与第一间隔层接触的第二间隔层，以及形成在第二间隔层上并与第二间隔层接触的超晶格层。 第一间隔层的晶格常数大于第二间隔层。 超晶格层具有第一层和第二层，其晶格常数比交替堆叠在一起的第一层更小。 超晶格层的平均晶格常数小于第一间隔层的晶格常数，并且大于第二间隔层的晶格常数。

公开(公告)号：US08312327B2

公开(公告)日：2012-11-13

申请号：US12429195

申请日：2009-04-24

申请人： Harry Hou ,  Eric Kushnick ,  Takahiro Yamaguchi ,  Masahiro Ishida

发明人： Harry Hou ,  Eric Kushnick ,  Takahiro Yamaguchi ,  Masahiro Ishida

IPC分类号： G06K5/04 ,  G11B20/20 ,  G11B5/00

CPC分类号： G01R31/31709

摘要： There is provided a correcting apparatus for correcting a PDF obtained from a measurement result of measuring a characteristic of a measurement target at strobe timings including errors with respect to ideal timings at predetermined intervals, the correcting apparatus including: an interpolation section that is supplied with a CDF of the measurement result, interpolates a value between each strobe timing of the CDF, calculates a value of the CDF at each of the ideal timings, and calculates a corrected CDF at the ideal timings; and a corrected function generating section that generates a corrected PDF in which the errors of the strobe timings for the PDF have been corrected, based on the corrected CDF calculated by the interpolation section.

摘要翻译： 提供了一种校正装置，用于校正从以预定间隔相对于理想定时包括误差的选通定时测量测量目标的特性所获得的PDF，所述校正装置包括：内插部，其被提供有 测量结果的CDF内插了CDF的每个选通定时之间的值，在每个理想定时计算CDF的值，并在理想的时刻计算校正的CDF; 以及校正函数生成部，其基于由所述插值部计算出的校正后的CDF，生成校正后的PDF，其中所述PDF的所述选通脉冲定时的误差已被校正。

公开(公告)号：US08175828B2

公开(公告)日：2012-05-08

申请号：US12355799

申请日：2009-01-18

申请人： Kiyotaka Ichiyama ,  Masahiro Ishida ,  Takahiro Yamaguchi

发明人： Kiyotaka Ichiyama ,  Masahiro Ishida ,  Takahiro Yamaguchi

IPC分类号： G06F17/18

CPC分类号： G01R31/31709

摘要： Provided is an evaluation apparatus that evaluates a characteristic of a propagation apparatus propagating a signal, comprising an output signal measuring section that measures a probability density function expressing a probability density distribution of jitter of an output signal passed by the propagation apparatus; an isolating section that isolates at least one of a random component of a jitter component and a deterministic component of the jitter component in the jitter of the output signal, from the probability density function of the jitter of the output signal; and an evaluating section that evaluates the characteristic of the propagation apparatus based on the jitter component isolated by the isolating section.

摘要翻译： 提供一种评价装置，其评价传播信号的传播装置的特性，包括：测量表示传播装置通过的输出信号的抖动的概率密度分布的概率密度函数的概率密度函数的输出信号测量部; 隔离部分，根据输出信号的抖动的概率密度函数，将抖动分量的随机分量和抖动分量的确定分量中的至少一个与输出信号的抖动相隔离; 以及评估部，其基于由所述隔离部隔离的抖动成分来评价所述传播装置的特性。

公开(公告)号：US08155215B2

公开(公告)日：2012-04-10

申请号：US11770742

申请日：2007-06-29

申请人： Kiyotaka Ichiyama ,  Masahiro Ishida

发明人： Kiyotaka Ichiyama ,  Masahiro Ishida

IPC分类号： H04L27/00

CPC分类号： H04L7/0008 ,  H04L25/493

摘要： There is provided a circuit constituted by small-sized and simple logical gates which reduces the bit errors generated in a data sequence received by a receiver. A transmission system, in which a data sequence is transferred, includes a transmitter that transmits a first transfer signal including an edge-present data waveform which has (i) a first timing edge indicating a timing to obtain data included in the data sequence and (ii) a level signal indicating a signal level corresponding to a value of the data, and a receiver that outputs the value of the data in accordance with the signal level which is detected at the timing indicated by the first timing edge of the edge-present data waveform.

摘要翻译： 提供了由小型和简单的逻辑门构成的电路，其减少了由接收器接收的数据序列中产生的位错误。 传输数据序列的传输系统包括发送包括边缘存在数据波形的第一传输信号的发射机，该第一传输信号具有（i）指示定时的第一定时边缘以获得数据序列中包括的数据， ii）指示与数据值相对应的信号电平的电平信号，以及接收器，其根据在由边缘存在的第一定时边缘指示的定时检测到的信号电平输出数据值 数据波形。

公开(公告)号：US08068538B2

公开(公告)日：2011-11-29

申请号：US11266471

申请日：2005-11-04

申请人： Kiyotaka Ichiyama ,  Masahiro Ishida ,  Yasuhide Kuramochi ,  Takahiro Yamaguchi

发明人： Kiyotaka Ichiyama ,  Masahiro Ishida ,  Yasuhide Kuramochi ,  Takahiro Yamaguchi

IPC分类号： H04B3/46

CPC分类号： G01R29/26 ,  G01R31/31709

摘要： There is provided a jitter measuring apparatus for measuring jitter in a signal-under-measurement, having a pulse generator for outputting a pulse signal having a pulse width set in advance corresponding to edges-under-measurement from which the timing jitter is to be measured in the signal-under-measurement, a filter for removing carrier frequency components of the signal-under-measurement from the pulse signal and a jitter calculator for calculating the jitter in the signal-under-measurement based on the signal outputted out of the filter.

摘要翻译： 提供了一种用于测量测量信号中的抖动的抖动测量装置，其具有用于输出脉冲信号的脉冲发生器，该脉冲信号具有预先设置的脉冲宽度，该脉冲信号对应于要测量定时抖动的测量下边缘 在信号不足测量中，用于从脉冲信号中去除测量信号的载波频率分量的滤波器和用于根据从滤波器输出的信号计算测量信号中的抖动的抖动计算器 。

公开(公告)号：US07945403B2

公开(公告)日：2011-05-17

申请号：US12116972

申请日：2008-05-08

申请人： Masahiro Ishida ,  Atsuya Ono

发明人： Masahiro Ishida ,  Atsuya Ono

IPC分类号： G01R13/00 ,  G06F17/00

CPC分类号： G01R29/02 ,  G01R13/0218 ,  G01R31/3193 ,  G01R31/31937

摘要： Provided is a signal measurement apparatus, including sampling sections that each sample a signal under measurement having a cycle T with a threshold value, where the threshold values of at least two of the sampling sections are different from each other; a waveform reconfiguring section that shapes a reconfigured waveform having the cycle T by rearranging ordinal ranks of sample values corresponding to each threshold value obtained by the sampling sections, a distribution generating section that generates a timing distribution of edges in the reconfigured waveform corresponding to each threshold value; and a calculating section that calculates rise time or fall time of the signal under measurement based on the timing distribution corresponding to each threshold value.

摘要翻译： 提供了一种信号测量装置，其包括采样部分，每个采样部分对具有阈值的周期T进行测量的信号进行采样，其中至少两个采样部分的阈值彼此不同; 波形重构部分，通过重新排列与由采样部分获得的每个阈值相对应的采样值的顺序排列来对具有周期T的重新配置的波形进行整形;分布生成部分，生成与每个阈值对应的重新配置的波形中的边沿的定时分布 值; 以及计算部，其基于与各阈值对应的定时分布，计算被测信号的上升时间或下降时间。

公开(公告)号：US07933728B2

公开(公告)日：2011-04-26

申请号：US12116971

申请日：2008-05-08

申请人： Masahiro Ishida

发明人： Masahiro Ishida

IPC分类号： G01R13/00

CPC分类号： G01R25/005 ,  G01R31/31709 ,  G01R31/31937

摘要： Provided is a skew measurement apparatus, including sampling sections that each sample one of a plurality of signals under measurement having a cycle T, a waveform reconfiguring section that shapes a reconfigured waveform having the cycle T by rearranging ordinal ranks of sample values of the signal under measurement sampled by each sampling section, a distribution generating section that generates a timing distribution of edges in the reconfigured waveform of the corresponding signal under measurement, and a skew calculating section that calculates skew between the signals under measurement being compared based on the timing distribution of each signal under measurement.

摘要翻译： 提供了一种倾斜测量装置，其包括每个采样部分，每个采样部分对具有周期T的多个测量信号中的一个进行采样;波形重构部分，其通过重新排列具有周期T的信号的样本值的序数等级来对具有周期T的重新配置的波形进行整形 由每个采样部分采样的测量值，产生测量对应信号的重新配置波形中的边沿的定时分布的分布产生部分，以及基于所测量的信号的定时分布来计算被测信号之间的偏差的偏斜计算部分 每个信号都在测量。

公开(公告)号：US20100239318A1

公开(公告)日：2010-09-23

申请号：US12659647

申请日：2010-03-16

申请人： Yasuhiro Maehata ,  Tetsuji Nishikawa ,  Masahiro Ishida ,  Yasuhisa Ehara ,  Noriaki Funamoto ,  Jun Yasuda

发明人： Yasuhiro Maehata ,  Tetsuji Nishikawa ,  Masahiro Ishida ,  Yasuhisa Ehara ,  Noriaki Funamoto ,  Jun Yasuda

IPC分类号： G03G15/00

CPC分类号： G03G15/757 ,  G03G15/0194 ,  G03G2215/0132 ,  G03G2215/0158

摘要： A printer according to the present invention is a so-called tandem-type printer, and has a configuration that a motor gear is directly connected to an M-photoconductor driving gear and an idler gear is directly connected to a Y-photoconductor driving gear and the M-photoconductor driving gear. A diameter of the Y and M photoconductors driving gear, a distance between transfer sections of the Y and M photoconductors, a motor gear input angle, and an idler input angle are set so that an absolute value of a value obtained by subtracting 1 from an ideal amplitude ratio, which indicates a ratio of an ideal amplitude of an eccentric component of the Y-photoconductor driving gear to an actual amplitude of an eccentric component of the M-photoconductor driving gear, is equal to or less than a maximum allowable amplitude ratio.

摘要翻译： 根据本发明的打印机是所谓的串联式打印机，并且具有将马达齿轮直接连接到M感光体驱动齿轮并且空转齿轮直接连接到Y感光体驱动齿轮的构造， M感光体驱动齿轮。 Y和M感光体驱动齿轮的直径，Y和M感光体的转印部分之间的距离，电动机齿轮输入角度和惰轮输入角度被设置为使得从一个 表示Y感光体驱动齿轮的偏心分量的理想振幅与M感光体驱动齿轮的偏心分量的实际振幅的比的理想振幅比等于或小于最大允许振幅比 。

公开(公告)号：US07724811B2

公开(公告)日：2010-05-25

申请号：US11535296

申请日：2006-09-26

申请人： Kiyotaka Ichiyama ,  Masahiro Ishida ,  Takahiro Yamaguchi

发明人： Kiyotaka Ichiyama ,  Masahiro Ishida ,  Takahiro Yamaguchi

IPC分类号： H04B3/46 ,  H04B17/00 ,  H04Q1/20

CPC分类号： G01R31/31709 ,  H03K5/133 ,  H03K2005/00026

摘要： There is provided a delay circuit that delays and outputs a given input signal. The delay circuit includes a first delaying section that delays the input signal, a second delaying section that further delays the input signal delayed by the first delaying section, and a delay setting section that sets a time delay in the second delaying section at a timing delayed by a predetermined time to a timing setting a time delay in the first delaying section.

摘要翻译： 提供延迟并输出给定​​输入信号的延迟电路。 延迟电路包括延迟输入信号的第一延迟部分，进一步延迟由第一延迟部分延迟的输入信号的第二延迟部分和延迟设置部分，其在延迟的定时处设置第二延迟部分中的时间延迟 预定时间到设定第一延迟部分中的时间延迟的定时。