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    • 7. 发明授权
    • Power meter
    • 功率计
    • US07447603B2
    • 2008-11-04
    • US11298205
    • 2005-12-08
    • David A. Bruno
    • David A. Bruno
    • G06F19/00
    • G01R22/10
    • The computational resources of a digital power meter can be reduced by utilizing an interrupt requested in anticipation of interrupt latency to perform real-time tasks, an approximation of a root mean square load current at an earlier time to compensate for a phase shift between the load current and the current transducer output, and an amplitude that is neither zero nor maximum to distinguish the cycles of a harmonically distorted waveform.
    • 数字功率计的计算资源可以通过利用在预期的中断等待时间中所请求的中断来执行实时任务来减少,以便在较早的时间近似均方根电流来补偿负载之间的相移 电流和电流传感器输出,以及既不为零也不是最大值的幅度,以区分谐波失真波形的周期。
    • 9. 发明授权
    • Method and system for concurrent electronic component testing and lead
verification
    • 并发电子元器件测试方法及系统,并进行铅检验
    • US5057772A
    • 1991-10-15
    • US531077
    • 1990-05-29
    • David A. BrunoJohn T. Gross
    • David A. BrunoJohn T. Gross
    • G01R27/02G01R31/02
    • G01R31/02
    • A system (100) performs concurrent testing and lead verification of an electronic component (104) having two leads (126 and 128). The system includes circuitry (114 and 116) for determining a sum of amounts of contact resistances between first (132) and second (134) probes and one of the leads by producing a current (I.sub.1) that propagates through the first probe, the lead of the component, and the second probe. The sum of the contact resistances is proportional to the difference in voltage between the leads. If the difference exceeds a limit, then the sum of the amount of contact resistances is excessive. The system also includes circuitry (110) for determining a value of a parameter of the component while the sum of the amounts of contact resistances is being determined. The circuit for determining the sum of the contract resistances and the circuitry for determining the value of the parameter are electrically isolated from each other so that they do not influence each other.
    • 系统(100)执行具有两个引线(126和128)的电子部件(104)的并发测试和引导验证。 该系统包括电路(114和116),用于通过产生通过第一探针传播的电流(I1)来确定第一(132)和第二(134)探针之间的接触电阻的总和和引线中的一个, 的组件和第二探针。 接触电阻的总和与引线之间的电压差成比例。 如果差超过限制,则接触电阻量之和过大。 该系统还包括用于在确定接触电阻量的总和的同时确定部件的参数的值的电路(110)。 用于确定合同电阻和用于确定参数值的电路之和的电路彼此电隔离,使得它们不彼此影响。