专利名称：Gas sensor and method for controlling the
same
发明人：Nobuhide Kato,Yasuhiko Hamada,Nobuyuki
Kokune
申请号：US11583195申请日：20061019公开号：US07655131B2公开日：20100202
专利附图：
摘要：Disclosed is a gas sensor for controlling a concentration of oxygen and/ormeasuring 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 isoutputted from the current supply circuit, has a pulse waveform (current signal) having aconstant 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 anelectromotive force generated in the ion-conductive member to which the current signalis supplied. Accordingly, it is possible to highly accurately measure the predeterminedgas component while scarcely being affected by the electric noise or the like.
申请人：Nobuhide Kato,Yasuhiko Hamada,Nobuyuki Kokune
地址：Ama-Gun JP,Nagoya JP,Nagoya JP
国籍：JP,JP,JP
代理机构：Burr & Brown
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