公开(公告)号：US20110031984A1

公开(公告)日：2011-02-10

申请号：US12877097

申请日：2010-09-07

Applicant: Yoshihiro HASHIMOTO ,  Yasuo FURUKAWA

Inventor： Yoshihiro HASHIMOTO ,  Yasuo FURUKAWA

IPC: G01R27/26

CPC classification number: G01R31/3004

Abstract: Provided is a test apparatus that tests a device under test, comprising a power supply that generates power supplied to the device under test; a transmission path that transmits the power generated by the power supply to the device under test; a current measuring section that measures a digital waveform of load current supplied to the device under test via the transmission path, the digital waveform including a frequency component higher than a frequency corresponding to a product of an inductance component of the power supply and a capacitance component between the transmission path and a ground potential; and a judging section that judges acceptability of the device under test based on the digital waveform of the load current measured by the current measuring section.

Abstract translation: 提供了一种测试被测设备的测试装置，包括产生供应给被测设备的电力的电源; 将由电源产生的电力传送到被测设备的传输路径; 电流测量部，其经由传输路径测量提供给被测设备的负载电流的数字波形，所述数字波形包括高于对应于所述电源的电感分量与电容分量的乘积的频率的频率分量 在传输路径和地电位之间; 以及判断部，其基于由所述当前测量部测量的负载电流的数字波形来判断被测设备的可接受性。

公开(公告)号：US20110018549A1

公开(公告)日：2011-01-27

申请号：US12876057

申请日：2010-09-03

Applicant: Yoshihiro HASHIMOTO

Inventor： Yoshihiro HASHIMOTO

IPC: G01R31/28

CPC classification number: G01R31/2889 ,  G01R19/04 ,  G01R31/2839 ,  G01R31/40

Abstract: Provided is a test apparatus that tests a device under test, comprising a power supply that generates power supplied to the device under test; a transmission path that transmits the power generated by the power supply to the device under test; a current measuring section that measures a peak in current supplied to the device under test via the transmission path, the peak including a frequency component higher than a frequency corresponding to a product of an inductance component from the power supply to the device under test and a capacitance component between the transmission path and a ground potential; and a judging section that judges acceptability of the device under test based on the peak measured by the current measuring section.

Abstract translation: 提供了一种测试被测设备的测试装置，包括产生供应给被测设备的电力的电源; 将由电源产生的电力传送到被测设备的传输路径; 电流测量部分，其经由传输路径测量提供给被测器件的电流峰值，所述峰值包括高于对应于来自所述电源的电感分量与被测器件的乘积的频率的频率分量，以及 传输路径和地电位之间的电容分量; 以及判断部，其基于由所述当前测量部测量出的峰值来判定被测设备的可接受性。

公开(公告)号：US20070195396A1

公开(公告)日：2007-08-23

申请号：US11624887

申请日：2007-01-19

Applicant: Yoshihiro HASHIMOTO ,  Shingo MORI ,  Norikazu MIYAZAKI ,  Kaoru HIGUMA ,  Toshio SAKANE

Inventor： Yoshihiro HASHIMOTO ,  Shingo MORI ,  Norikazu MIYAZAKI ,  Kaoru HIGUMA ,  Toshio SAKANE

IPC: G02B26/02

CPC classification number: G02F1/2255 ,  H04B10/505 ,  H04B10/5053 ,  H04B10/5165

Abstract: An optical modulator is provided which includes: an optical splitting part that splits an input light wave into two light waves; two optical waveguides that propagate the two light waves into which the input light wave is split, respectively; a first SSB modulating part that is provided in one of the two optical waveguides and modulates a light wave, which propagates into the first SSB modulating part, with a carrier frequency so that the light wave is converted into a different light wave having a single side band; a second SSB modulating part that is provided in the other of the two optical waveguides and modulates a light wave, which propagates into the second SSB modulating part, with a data signal in order to generate a signal light wave having a different single side band; and an optical combining part that combines the light wave modulated by the first SSB modulating part with the signal light wave generated by the second SSB modulating part.

Abstract translation: 提供了一种光调制器，其包括：将输入光波分成两个光波的光分裂部分; 分别传播输入光波被分裂成的两个光波的两个光波导; 设置在两个光波导中的一个中的第一SSB调制部分，以载波频率调制传播到第一SSB调制部分的光波，使得光波被转换为具有单侧的不同光波 带; 设置在所述两个光波导中的另一个中的第二SSB调制部分，并且利用数据信号调制传播到所述第二SSB调制部分的光波，以产生具有不同单边带的信号光波; 以及光合成部，其将由第一SSB调制部调制的光波与由第二SSB调制部生成的信号光波组合。

公开(公告)号：US20110169500A1

公开(公告)日：2011-07-14

申请号：US12876052

申请日：2010-09-03

Applicant: Yoshihiro HASHIMOTO

Inventor： Yoshihiro HASHIMOTO

IPC: G01R31/02

CPC classification number: G01R31/3004

Abstract: Provided is a test apparatus that tests a device under test, comprising a power supply that generates power supplied to the device under test; a transmission path that transmits the power generated by the power supply to the device under test; an intermediate capacitor that is provided between the transmission path and a ground potential; a charge/discharge current measuring section that measures charge/discharge current of the intermediate capacitor; and a load current calculating section that calculates a load current flowing through the device under test, based on the current measured by the charge/discharge current measuring section.

Abstract translation: 提供了一种测试被测设备的测试装置，包括产生供应给被测设备的电力的电源; 将由电源产生的电力传送到被测设备的传输路径; 设置在所述传输路径和地电位之间的中间电容器; 用于测量中间电容器的充电/放电电流的充放电电流测量部分; 以及负载电流计算部，其基于由充放电电流测量部测量的电流来计算流过被测设备的负载电流。

公开(公告)号：US20110018559A1

公开(公告)日：2011-01-27

申请号：US12603350

申请日：2009-10-21

Applicant: Yoshihiro HASHIMOTO

Inventor： Yoshihiro HASHIMOTO

IPC: G01R27/26 ,  G01R5/14

CPC classification number: G01R31/31924 ,  G11C29/56 ,  G11C2029/5006

Abstract: Provided is a test apparatus that tests a device under test, comprising a power supply that generates supply power supplied to the device under test; a transmission path that transmits the supply power generated by the power supply to the device under test; an intermediate capacitor that is provided between the transmission path and a ground potential; a power supply current measuring section that measures a current flowing through the transmission path at a position closer to the power supply than the intermediate capacitor; a charge and discharge current measuring section that measures a charge and discharge current of the intermediate capacitor; and a load current calculating section that calculates a load current flowing through the device under test based on a sum of the current measured by the power supply current measuring section and the current measured by the charge and discharge current measuring section.

Abstract translation: 提供了一种测试被测设备的测试设备，包括产生供应给被测设备的电源的电源; 传输路径，将由电源产生的供电电力传送到被测设备; 设置在所述传输路径和地电位之间的中间电容器; 电源电流测量部，其测量在比所述中间电容器更靠近所述电源的位置处流过所述传输路径的电流; 用于测量中间电容器的充放电电流的充放电电流测量部; 以及负载电流计算部，其基于由电源电流测量部测量的电流与由充放电电流测量部测量的电流的和来计算流过被测器件的负载电流。