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公开(公告)号：US4217651A
公开(公告)日：1980-08-12
申请号：US968849
申请日：1978-12-12
申请人： John R. Pickering
发明人： John R. Pickering
摘要： A method of determining the uncertainty value of an electrical measuring instrument, such as a digital voltmeter. The method comprises the steps of storing digital data values representative of the accuracy specifications of the instrument as a function of the measured reading and as a function of the full scale reading and supplying the data values to a data processing apparatus. A digital value representative of a measured reading is also supplied to the data processing apparatus which is then arranged to calculate the uncertainty value of the measured reading and to display the calculated value. Apparatus for determining such an uncertainty value is also disclosed.
摘要翻译： 一种确定诸如数字电压表的电气测量仪器的不确定度值的方法。 该方法包括以下步骤：存储代表仪器的精度规格的数字数据值作为测量读数的函数，并且作为全刻度读取的函数，并将数据值提供给数据处理设备。 代表测量读数的数字值也被提供给数据处理装置，然后将数据处理装置计算出测量读数的不确定度值并显示计算值。 还公开了用于确定这种不确定性值的装置。
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2.发明授权
公开(公告)号：US5369245A
公开(公告)日：1994-11-29
申请号：US922989
申请日：1992-07-30
申请人： John R. Pickering
发明人： John R. Pickering
CPC分类号： H01L27/0211 , Y10S323/907
摘要： An electronic component is conditioned to remove distortion in a temperature response characteristic due to a temperature hysteresis effect, by subjecting the component to a controlled temperature variation prior to operation of the component at a given temperature. A circuit is disclosed wherein the component is a zener reference element and a bias voltage of cyclical waveform and of reducing magnitude is applied to a control transistor to cause corresponding variation of the temperature of the zener via an on-chip heater. The zener is subsequently operated at a normal bias voltage corresponding to the mean value of the cyclic waveform.
摘要翻译： 电子部件被调节为通过在给定温度下操作组件之前对组件进行控制的温度变化来消除由于温度滞后效应引起的温度响应特性中的变形。 公开了一种电路，其中组件是齐纳基准元件，并且将周期性波形和减小幅度的偏置电压施加到控制晶体管，以通过片上加热器引起齐纳二极管的温度的相应变化。 齐纳二极管随后以与循环波形的平均值相对应的正常偏置电压工作。
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