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    • 5. 发明授权
    • Test apparatus
    • 测试仪器
    • US08427188B2
    • 2013-04-23
    • US12838428
    • 2010-07-16
    • Satoshi Iwamoto
    • Satoshi Iwamoto
    • G01R31/26
    • G01R31/31932
    • There is provided a test apparatus for testing a device under test, including a signal supply section that supplies a test signal to the device under test via a transmission line, and a comparing and judging section that receives a response signal from the device under test via the transmission line shared with the signal supply section, and judges whether the device under test is acceptable by referring to a comparison result obtained by comparing a signal level of the response signal with a reference level corresponding to a logic pattern of the test signal.
    • 提供了一种用于测试被测设备的测试装置,包括:通过传输线向被测设备提供测试信号的信号提供部分;以及比较判断部分,其从被测设备接收响应信号, 传输线路与信号提供部分共用,并且通过参考通过将响应信号的信号电平与对应于测试信号的逻辑模式的参考电平进行比较而获得的比较结果来判断被测设备是否可接受。
    • 7. 发明授权
    • Driver circuit with temperature correction circuit
    • 带温度校正电路的驱动电路
    • US5973542A
    • 1999-10-26
    • US913350
    • 1998-02-09
    • Toshiyuki OkayasuSatoshi Iwamoto
    • Toshiyuki OkayasuSatoshi Iwamoto
    • G01R31/319H03K5/00H03K5/003H03K17/14H03K17/687H03K19/003H03K19/0175
    • G01R31/31924H03K19/00384
    • A driver circuit having a temperature correction circuit for providing a relatively stable output amplitude and timing by detecting electric consumption of an output stage of the driver circuit and correcting the changes in the amplitude and timing of an output signal therefrom. The temperature correction circuit includes a temperature detection part for detecting temperature change in a pair of output elements, an output timing temperature correction part for correcting the output timing of the output signal relative to an input signal upon receiving the temperature detection signal from the temperature detection part, and an output amplitude and impedance temperature correction part for correcting output amplitudes and output impedance of the output signal.
    • PCT No.PCT / JP97 / 00103 Sec。 371日期:1998年2月9日 102(e)1998年2月9日PCT 1997年1月20日PCT PCT。 出版物WO97 / 33370 日期1997年9月12日具有温度校正电路的驱动器电路,用于通过检测驱动电路的输出级的电耗来校正输出信号的幅度和定时的变化来提供相对稳定的输出幅度和定时。 温度校正电路包括用于检测一对输出元件中的温度变化的温度检测部分,输出定时温度校正部分,用于在从温度检测器接收到温度检测信号时相对于输入信号校正输出信号的输出定时 输出幅度和阻抗温度校正部分,用于校正输出信号的输出幅度和输出阻抗。
    • 9. 发明授权
    • Test apparatus and performance board for diagnosis
    • 用于诊断的测试仪器和性能板
    • US07610538B2
    • 2009-10-27
    • US11734792
    • 2007-04-13
    • Satoshi Iwamoto
    • Satoshi Iwamoto
    • G01R31/28G01R31/02G01R31/26
    • G06F11/273
    • A test apparatus being capable of replacing a test module with the other kind of test module that tests device under tests by using the test module is provided. The test apparatus includes a plurality of test modules that transmit/receive signals to/from the device under tests to test the device under test; and a performance board for diagnosis that diagnose the plurality of test modules. The performance board for diagnosis including: a motherboard provided common to the plurality of test, modules; a circuit for diagnosis that transmits/receives a signal to/from each test module to diagnose the test module; a plurality of inter-board to module connectors that connect between the corresponding test module and the circuit for diagnosis; and plurality of sub-boards each of which has at least one of the inter-board to module connectors and is fixed to the motherboard to fix the inter-board to module connectors to the motherboard.
    • 提供了一种能够用另一种测试模块替换测试模块的测试设备,该测试模块通过使用测试模块来测试测试设备。 测试装置包括多个测试模块,用于向被测设备发送/接收信号以测试被测设备; 以及用于诊断多个测试模块的诊断性能板。 诊断性能板包括:为多个测试提供的主板,模块; 诊断电路,用于向/从每个测试模块发送/接收信号以诊断测试模块; 连接在相应的测试模块和用于诊断的电路之间的多个板间模块连接器; 以及多个子板,每个子板具有板间至模块连接器中的至少一个,并且固定到主板以将板间固定到模块连接器到主板。
    • 10. 发明申请
    • Recording medium, test apparatus and diagnostic method
    • 记录介质,测试仪器和诊断方法
    • US20080129313A1
    • 2008-06-05
    • US11607824
    • 2006-12-01
    • Satoshi Iwamoto
    • Satoshi Iwamoto
    • G01R31/02G01R1/00
    • G01R31/31907
    • A test apparatus that tests a device under test is provided. The test apparatus includes a test module that provides a test signal to the device under test. The test apparatus includes: a test module that provides a test signal to the device under test; a measuring instrument that measures a reference parameter including at least one of a reference voltage, a reference resistance and a reference current included in the test module; and a control device that controls the test module and the measuring instrument. By executing a diagnostic program that diagnose the plurality of test modules by using the measuring instruments, the control device to function as: a target diagnostic section that diagnoses a target test module; an acquirement section that acquires measuring instrument identification information indicative of the kind of the measuring instrument provided in the test apparatus; a measurement processing section provided for each kind of the measuring instruments and executed on the control device that issues a command to cause the measuring instrument to measure the value of the reference parameter of the test module to the measuring instrument and receives a measurement result of the reference parameter from the measuring instrument; and a switching section that calls the measurement processing section corresponding to the measuring instrument identified by the measuring instrument identification information in response to receiving the call to instruct to measure the value of a reference parameter included in the test module, executes the same and returns the measurement result of the reference parameter to the target diagnostic section.
    • 提供测试被测设备的测试设备。 测试装置包括向被测设备提供测试信号的测试模块。 该测试装置包括:向被测设备提供测试信号的测试模块; 测量仪器,其测量包括在所述测试模块中的参考电压,参考电阻和参考电流中的至少一个的参考参数; 以及控制测试模块和测量仪器的控制装置。 通过执行通过使用测量仪器诊断多个测试模块的诊断程序,控制装置用作诊断目标测试模块的目标诊断部分; 获取部,其获取表示设置在所述测试装置中的所述测量仪器的种类的测量仪器识别信息; 测量处理部分,用于各种测量仪器,并在控制装置上执行,该控制装置发出使测量仪器测量测试模块的参考参数的值的指令,并接收测量仪器的测量结果 来自测量仪器的参考参数; 以及切换部,其响应于接收到用于指示测量包括在所述测试模块中的参考参数的值的呼叫的呼叫,调用与由所述测量仪器识别信息识别的所述测量仪器相对应的所述测量处理部分,执行所述测量处理部分,并执行所述切换部分 参考参数的测量结果到目标诊断部分。