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    • 5. 发明申请
    • FLUID PRESENCE AND QUALITATIVE MEASUREMENTS BY TRANSIENT IMMITIVITY RESPONSE
    • 流体流动性和质量测量由瞬态活动性反应
    • WO2003074998A1
    • 2003-09-12
    • PCT/US2002/036921
    • 2002-11-18
    • SAMPSON, Allen, R.DAVIS, Robert, E.
    • SAMPSON, Allen, R.DAVIS, Robert, E.
    • G01N27/02
    • G01N27/221G01N27/228
    • An apparatus and method for obtaining a measurement of various qualities of an electrochemical cell (12). The apparatus includes first (9) and second (10) electrodes and an excitation source (8) for providing a time varying excitation voltage to the first electrode (9). The excitation voltage (8) is switched between two voltage levels with the first and second voltages alternately applied to the first electrode for predetermined times. An external capacitance (Cout) is connected between the second electrode (10) and ground. The apparatus is capable of determining the time related rates at which electrical charge is transferred from the first electrode (9) to charge the external capacitance (Cout). These rates, here termed Transient Immitivity Response (TIR), may be provided as a digital or analog output (11).
    • 一种用于获得电化学电池(12)的各种质量的测量的装置和方法。 该装置包括第一电极(9)和第二电极(10)和用于向第一电极(9)提供时变激励电压的激励源(8)。 激励电压(8)在两个电压电平之间切换,其中第一和第二电压交替施加到第一电极预定次数。 外部电容(Cout)连接在第二电极(10)和地之间。 该装置能够确定从第一电极(9)传送电荷以对外部电容(Cout)充电的时间相关速率。 这些速率,这里称为瞬态映射反应(TIR),可以作为数字或模拟输出(11)提供。