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    • 5. 发明授权
    • Gas sensor and method for controlling the same
    • 气体传感器及其控制方法
    • US06623618B1
    • 2003-09-23
    • US09598811
    • 2000-06-21
    • Nobuhide KatoYasuhiko HamadaNobuyuki Kokune
    • Nobuhide KatoYasuhiko HamadaNobuyuki Kokune
    • G01N27407
    • G01N27/419
    • Disclosed is a gas sensor for controlling a concentration of oxygen and/or measuring NOx by allowing a current to flow through an ion-conductive member for conducting oxygen ion, by the aid of a current supply circuit, wherein the current, which is outputted from the current supply circuit, has a pulse waveform (current signal) having a constant crest value, and the current supply circuit comprises a rectangular wave-generating circuit for controlling a frequency of the current signal on the basis of an electromotive force generated in the ion-conductive member to which the current signal is supplied. Accordingly, it is possible to highly accurately measure the predetermined gas component while scarcely being affected by the electric noise or the like.
    • 公开了一种气体传感器,用于通过允许电流通过用于导电氧离子的离子传导构件流过氧气浓度和/或测量NOx的气体传感器,借助于电流供应电路,其中从 电流供应电路具有恒定波峰值的脉冲波形(电流信号),并且电流供应电路包括矩形波发生电路,用于基于在离子中产生的电动势来控制电流信号的频率 电流信号被供给到该导电构件。 因此,可以高度精确地测量预定的气体成分,同时几乎不受电噪声等的影响。
    • 7. 发明授权
    • Gas sensor and method for controlling the same
    • 气体传感器及其控制方法
    • US07655131B2
    • 2010-02-02
    • US11583195
    • 2006-10-19
    • Nobuhide KatoYasuhiko HamadaNobuyuki Kokune
    • Nobuhide KatoYasuhiko HamadaNobuyuki Kokune
    • G01N27/407
    • G01N27/419
    • Disclosed is a gas sensor for controlling a concentration of oxygen and/or measuring NOx by allowing a current to flow through an ion-conductive member for conducting oxygen ion, by the aid of a current supply circuit, wherein the current, which is outputted from the current supply circuit, has a pulse waveform (current signal) having a constant crest value, and the current supply circuit comprises a rectangular wave-generating circuit for controlling a frequency of the current signal on the basis of an electromotive force generated in the ion-conductive member to which the current signal is supplied. Accordingly, it is possible to highly accurately measure the predetermined gas component while scarcely being affected by the electric noise or the like.
    • 公开了一种气体传感器,用于通过允许电流通过用于导电氧离子的离子传导构件流过氧气浓度和/或测量NOx的气体传感器,借助于电流供应电路,其中从 电流供应电路具有恒定波峰值的脉冲波形(电流信号),并且电流供应电路包括矩形波发生电路,用于基于在离子中产生的电动势来控制电流信号的频率 电流信号被供给到该导电构件。 因此,可以高度精确地测量预定的气体成分,同时几乎不受电噪声等的影响。
    • 9. 发明授权
    • Gas sensor and method for controlling the same
    • 气体传感器及其控制方法
    • US07160435B2
    • 2007-01-09
    • US10608084
    • 2003-06-27
    • Nobuhide KatoYasuhiko HamadaNobuyuki Kokune
    • Nobuhide KatoYasuhiko HamadaNobuyuki Kokune
    • G01N27/407
    • G01N27/419
    • Disclosed is a gas sensor for controlling a concentration of oxygen and/or measuring NOx by allowing a current to flow through an ion-conductive member for conducting oxygen ion, by the aid of a current supply circuit, wherein the current, which is outputted from the current supply circuit, has a pulse waveform (current signal) having a constant crest value, and the current supply circuit comprises a rectangular wave-generating circuit for controlling a frequency of the current signal on the basis of an electromotive force generated in the ion-conductive member to which the current signal is supplied. Accordingly, it is possible to highly accurately measure the predetermined gas component while scarcely being affected by the electric noise or the like.
    • 公开了一种气体传感器,用于通过允许电流通过用于导电氧离子的离子传导构件流过氧气浓度和/或测量NOx的气体传感器,借助于电流供应电路,其中从 电流供应电路具有恒定波峰值的脉冲波形(电流信号),并且电流供应电路包括矩形波发生电路,用于基于在离子中产生的电动势来控制电流信号的频率 电流信号被供给到该导电构件。 因此,可以高度精确地测量预定的气体成分,同时几乎不受电噪声等的影响。