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    • 1. 发明申请
    • CURRENT DETECTION CIRCUIT MODULE
    • 电流检测电路模块
    • US20140184212A1
    • 2014-07-03
    • US14237263
    • 2012-04-26
    • Kazuhiko YamaguchiTakuya Yamamura
    • Kazuhiko YamaguchiTakuya Yamamura
    • G01R19/00
    • G01R19/0092G01R15/207H02M7/003H02M2001/0009
    • A current detection circuit module can correct the sensitivity of current detection before a finished product is fabricated, with high impact resistance. The current detection circuit module has a circuit board on which a control IC is mounted. A magnetic core has a gap at a part thereof. A magnetic detection element is disposed in the gap. A detection circuit outputs a detection signal of a current value flowing to the control IC in accordance with the output of the magnetic detection element. A pass portion is provided to the control circuit board. The magnetic core is mounted on the control circuit board to surround the bus bar. The magnetic detection element is mounted on the control circuit board and is located in the gap.
    • 电流检测电路模块可以在制造成品之前校正电流检测的灵敏度,具有高抗冲击性。 电流检测电路模块具有安装有控制IC的电路板。 磁芯在其一部分具有间隙。 磁性检测元件设置在间隙中。 检测电路根据磁检测元件的输出,输出流向控制IC的电流值的检测信号。 向控制电路板提供通过部分。 磁芯安装在控制电路板上以围绕母线。 磁检测元件安装在控制电路板上并位于间隙中。
    • 2. 发明授权
    • Radar for use in vehicle
    • 雷达用于车辆
    • US07679726B2
    • 2010-03-16
    • US11334480
    • 2006-01-19
    • Kazuhiko Yamaguchi
    • Kazuhiko Yamaguchi
    • G01C3/08
    • G01S7/491G01S7/4817G01S7/4912G01S17/42G01S17/936
    • A radar system for use in a vehicle includes a transmission function for transmitting a transmission wave at a predetermined interval, a redirection function having a plurality of redirection planes for redirecting the transmission wave at least twice in a successive manner in a same direction, a reception function for outputting a reception signal based on a reception of a reflected wave that corresponds to the transmission wave, and an integration function for outputting an integration signal upon integrating a plurality of the reception signals that correspond to the transmission waves redirected in the same direction.
    • 用于车辆的雷达系统包括用于以预定间隔发送传输波的传输功能,具有多个重定向功能的重定向功能,用于以相同的方向连续地重定向传输波至少两次,接收 用于基于对应于发送波的反射波的接收来输出接收信号的功能,以及用于在对与在相同方向上重定向的发送波相对应的多个接收信号进行积分时输出积分信号的积分功能。
    • 3. 发明授权
    • Quadrature modulator with phase controller apparatus and error detector
    • 具相位控制器和误差检测器的正交调制器
    • US07671691B2
    • 2010-03-02
    • US11791801
    • 2007-02-01
    • Satoru ShiratsuchiKazuhiro FujinumaKazuhiko Yamaguchi
    • Satoru ShiratsuchiKazuhiro FujinumaKazuhiko Yamaguchi
    • H03C3/00
    • H04L27/0014H04L27/364H04L2027/0016H04L2027/0018H04L2027/0044H04L2027/0053H04L2027/0055H04L2027/0067
    • A quadrature modulator divides a first signal input as a local signal into an I channel signal and a Q channel signal orthogonal to each other and outputs a second signal having a desired phase delay corresponding to direct current voltages as for the first signal by giving the direct current voltages Vi and Vq to the I channel signal and the Q channel signal, respectively. A phase comparison unit detects a phase difference θ between the first signal and the second signal. A setting unit sets the desired phase delay. A controller section controls the direct current voltages supplied to the I channel signal and the Q channel signal respectively in the quadrature modulator so that an output value corresponding to the phase difference θ detected by the phase comparison unit is equal to a value corresponding to the desired phase delay set by the setting unit, and controls the direct current voltages to be the direct current voltages Vi and Vq satisfying the relation of Vi=cos θ and Vq=sin θ.
    • 正交调制器将作为本地信号输入的第一信号划分成彼此正交的I信道信号和Q信道信号,并通过给出直接的方式输出具有与直流电压相对应的期望相位延迟的第二信号 电流电压Vi和Vq分别分配给I通道信号和Q通道信号。 相位比较单元检测相位差; 在第一信号和第二信号之间。 设置单元设置所需的相位延迟。 控制器部分控制正交调制器中分别提供给I通道信号和Q通道信号的直流电压,使得对应于相位差的输出值; 由相位比较单元检测的等于与设定单元设定的期望相位延迟对应的值,将直流电压控制为满足Vi = cos& t s的关系的直流电压Vi,Vq; Vq = sin&thetas;
    • 4. 发明申请
    • DATA SIGNAL GENERATING APPARATUS
    • 数据信号发生装置
    • US20090243680A1
    • 2009-10-01
    • US12295208
    • 2007-03-26
    • Kazuhiko YamaguchiKazuhiro Fujinuma
    • Kazuhiko YamaguchiKazuhiro Fujinuma
    • H03L7/00
    • H03M9/00H03K5/135H03L7/0812
    • It is an object of the present invention to provide a data signal generating apparatus which is small in size, and can output the serial data in a desired sequence without assuming an indefinite state as well as being capable of dealing with the jitter measurement. In the data signal generating apparatus according to the present invention, synchronization means 25 for synchronizing a data output unit 11 with a multiplexer 13 has a phase comparator 16 for comparing the phase of a data synchronization clock signal outputted from a data output unit 11 in synchronization with the timing to update parallel data, with the phase of a divided clock signal A produced by dividing the frequency of a reference clock signal CK1 by a plural number “m” in the multiplexer 13, the signal A being used for determining the timing to performing parallel-serial conversion, a variable delay device 30 for adding a desired delay to a data request signal A′, the variable delay device 30 being constituted by an orthogonal modulation type delay device, and a control unit 26 for controlling a direct control signal to be inputted into the variable delay device 30 on the basis of a comparing result obtained from the phase comparator 16 to synchronize the timing to have the data output unit 11 update the parallel data with the timing to have the multiplexer 13 perform parallel-serial conversion processing.
    • 本发明的目的是提供一种尺寸小的数据信号发生装置,并且可以以期望的顺序输出串行数据,而不会产生不确定的状态以及能够处理抖动测量。 在根据本发明的数据信号发生装置中,用于使数据输出单元11与多路复用器13同步的同步装置25具有相位比较器16,用于将从数据输出单元11输出的数据同步时钟信号的相位同步 具有更新并行数据的定时,通过在多路复用器13中将参考时钟信号CK1的频率除以多个“m”而产生的分频时钟信号A的相位,信号A用于确定定时 执行并行串行转换,可变延迟装置30,用于将数据请求信号A'加上期望的延迟,可变延迟装置30由正交调制型延迟装置构成,控制单元26用于控制直接控制信号 基于从相位比较器16获得的比较结果输入到可变延迟装置30中,以使定时同步以具有数据 输出单元11利用具有多路复用器13执行并行 - 串行转换处理的定时更新并行数据。
    • 6. 发明申请
    • Pulse pattern generator and communication device evaluation system utilizing the same
    • 脉冲图案发生器和利用其的通信装置评估系统
    • US20070121713A1
    • 2007-05-31
    • US10566734
    • 2005-07-01
    • Kazuhiko Yamaguchi
    • Kazuhiko Yamaguchi
    • H04B17/00
    • H03K5/156G01R31/31928G06F1/02H03K4/02
    • A pulse pattern generator (11) has a pulse generating unit (12) and a lowpass filter (14), and the pulse generating unit (12) includes an amplitude-value setting unit (13, 13a). The pulse generating unit (12) generates a pulse signal formed in a step-like wave in which at least one of rise and fall of a signal is changed in a step-like manner. The lowpass filter (14) smoothes the pulse signal generated by the pulse generating unit (11), and outputs a smoothed pulse signal. The amplitude-value setting unit (13, 13a) adjusts an amplitude value of a step-like wave that forms the pulse signal in order to set a shape of an eye waveform based on a setting value when an eye pattern of the output from the lowpass filter (14) is formed. The pulse pattern generator (11) can output the pulse signal having a desired pulse pattern having the predetermined eye closure from the lowpass filter (14).
    • 脉冲图形发生器(11)具有脉冲发生单元(12)和低通滤波器(14),脉冲发生单元(12)包括振幅值设定单元(13,13a)。 脉冲发生单元(12)产生形成为阶梯状波形的脉冲信号,其中以步进方式改变信号的上升和下降中的至少一个。 低通滤波器(14)平滑由脉冲发生单元(11)产生的脉冲信号,并输出平滑的脉冲信号。 振幅值设定单元(13,13a)调整形成脉冲信号的阶梯状波形的振幅值,以便根据设定值设定眼睛波形的形状, 形成低通滤波器(14)。 脉冲图案生成器(11)可以从低通滤波器(14)输出具有预定的眼睛闭合的期望脉冲图案的脉冲信号。
    • 7. 发明授权
    • Paper size determining method and printer in which the method is used
    • 纸张尺寸确定方法和使用该方法的打印机
    • US5738457A
    • 1998-04-14
    • US559955
    • 1995-11-17
    • Hiroshi IshidaNaoto YamaguchiYukihiro UchiyamaKazuhiko YamaguchiMasayuki Kumazaki
    • Hiroshi IshidaNaoto YamaguchiYukihiro UchiyamaKazuhiko YamaguchiMasayuki Kumazaki
    • B41J11/42B41J13/00B41J21/00B41J29/44
    • B41J11/42
    • A method of printing on a printing medium is provided, including providing a printing head for printing on a recording medium and conveying the recording medium in a first direction with a conveyer. A detector is positioned on the upstream side of the print head, the detector then detecting a trailing edge of the recording medium. The amount of recording medium conveyance by the conveyer upon the detection of said trailing edge is computed and it is determined whether the recording medium is of a standard size. Thereafter, a printing region on the recording medium is defined in accordance with the size of the recording medium if the recording medium is a standard size. A printer for printing on a printing medium which employs the above method is also provided wherein a detector is positioned upstream of the print head for detecting a trailing edge of the recording medium which is being conveyed. A computer computes the amount of the recording medium conveyance by the conveyer upon the detection of the trailing edge by the detector, and a size determiner determines whether the recording medium is of a standard size and defines a printing region on the recording medium in accordance with the size of the recording medium if the recording medium is of a standard size.
    • 提供了一种在打印介质上进行打印的方法,包括提供用于在记录介质上打印的打印头,并且在传送带上沿第一方向传送记录介质。 检测器位于打印头的上游侧,然后检测器检测记录介质的后缘。 计算在检测到所述后缘时由输送机输送的记录介质的量,并确定记录介质是否为标准尺寸。 此后,如果记录介质是标准尺寸,则根据记录介质的尺寸限定记录介质上的打印区域。 还提供了一种用于在采用上述方法的打印介质上进行打印的打印机,其中检测器位于打印头的上游,用于检测被传送的记录介质的后缘。 计算机通过检测器计算由检测器检测后缘时由输送机输送的记录介质的量,并且尺寸确定器确定记录介质是否是标准尺寸,并且根据记录介质在记录介质上限定打印区域 如果记录介质是标准尺寸,记录介质的尺寸。
    • 9. 发明申请
    • DATA SIGNAL GENERATING APPARATUS
    • 数据信号发生装置
    • US20110026573A1
    • 2011-02-03
    • US12899925
    • 2010-10-07
    • Kazuhiko YamaguchiKazuhiro Fujinuma
    • Kazuhiko YamaguchiKazuhiro Fujinuma
    • H04B17/00
    • H03M9/00H03K5/135H03L7/0812
    • It is an object of the present invention to provide a data signal generating apparatus which is small in size, and can output the serial data in a desired sequence without assuming an indefinite state as well as being capable of dealing with the jitter measurement. In the data signal generating apparatus according to the present invention, synchronization means 25 for synchronizing a data output unit 11 with a multiplexer 13 has a phase comparator 16 for comparing the phase of a data synchronization clock signal outputted from a data output unit 11 in synchronization with the timing to update parallel data, with the phase of a divided clock signal A produced by dividing the frequency of a reference clock signal CK1 by a plural number “m” in the multiplexer 13, the signal A being used for determining the timing to performing parallel-serial conversion, a variable delay device 30 for adding a desired delay to a data request signal A′, the variable delay device 30 being constituted by an orthogonal modulation type delay device, and a control unit 26 for controlling a direct control signal to be inputted into the variable delay device 30 on the basis of a comparing result obtained from the phase comparator 16 to synchronize the timing to have the data output unit 11 update the parallel data with the timing to have the multiplexer 13 perform parallel-serial conversion processing.
    • 本发明的目的是提供一种尺寸小的数据信号发生装置,并且可以以期望的顺序输出串行数据,而不会产生不确定的状态以及能够处理抖动测量。 在根据本发明的数据信号发生装置中,用于使数据输出单元11与多路复用器13同步的同步装置25具有相位比较器16,用于将从数据输出单元11输出的数据同步时钟信号的相位同步 具有更新并行数据的定时,通过在多路复用器13中将参考时钟信号CK1的频率除以多个“m”而产生的分频时钟信号A的相位,信号A用于确定定时 执行并行串行转换,可变延迟装置30,用于将数据请求信号A'加上期望的延迟,可变延迟装置30由正交调制型延迟装置构成,控制单元26用于控制直接控制信号 基于从相位比较器16获得的比较结果输入到可变延迟装置30中,以使具有t的定时同步 数据输出单元11用多路复用器13执行并行串行转换处理的定时更新并行数据。
    • 10. 发明授权
    • Pulse pattern generator and communication device evaluation system utilizing the same
    • 脉冲图案发生器和利用其的通信装置评估系统
    • US07787543B2
    • 2010-08-31
    • US10566734
    • 2005-07-01
    • Kazuhiko Yamaguchi
    • Kazuhiko Yamaguchi
    • H04B14/04
    • H03K5/156G01R31/31928G06F1/02H03K4/02
    • A pulse pattern generator (11) has a pulse generating unit (12) and a lowpass filter (14), and the pulse generating unit (12) includes an amplitude-value setting unit (13, 13a). The pulse generating unit (12) generates a pulse signal formed in a step-like wave in which at least one of rise and fall of a signal is changed in a step-like manner. The lowpass filter (14) smoothes the pulse signal generated by the pulse generating unit (11), and outputs a smoothed pulse signal. The amplitude-value setting unit (13, 13a) adjusts an amplitude value of a step-like wave that forms the pulse signal in order to set a shape of an eye waveform based on a setting value when an eye pattern of the output from the lowpass filter (14) is formed. The pulse pattern generator (11) can output the pulse signal having a desired pulse pattern having the predetermined eye closure from the lowpass filter (14).
    • 脉冲模式发生器(11)具有脉冲发生单元(12)和低通滤波器(14),脉冲发生单元(12)包括振幅值设定单元(13,13a)。 脉冲发生单元(12)产生形成为阶梯状波形的脉冲信号,其中以步进方式改变信号的上升和下降中的至少一个。 低通滤波器(14)平滑由脉冲发生单元(11)产生的脉冲信号,并输出平滑的脉冲信号。 振幅值设定单元(13,13a)调整形成脉冲信号的阶梯状波形的振幅值,以便当来自所述脉冲信号的输出的眼图时,基于设定值来设定眼睛波形的形状 形成低通滤波器(14)。 脉冲图案生成器(11)可以从低通滤波器(14)输出具有预定的眼睛闭合的期望脉冲图案的脉冲信号。