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专利名称：Gas analyzing techniques发明人：James E. Beck,Arvind M. Patel申请号：US06/342606申请日：19820125公开号：US04418566A公开日：19831206
摘要：Gas analyzing techniques for monitoring the amount of oxygen in the exhaust ofmotor vehicles. An oxygen sensor produces a sensor signal having a sensor valueproportional to the partial pressure of the oxygen produced by the motor vehicle.Processing circuitry generates a resulting signal proportional to the sum of the sensorvalue, another value proportional to the first derivative of the sensor value and a thirdvalue proportional to the second derivative of the sensor value. The resulting signal canbe used to predict the final sensor value at a point in time earlier than would beotherwise possible.
申请人：SUN ELECTRIC CORPORATION
代理机构：Allegretti, Newitt, Witcoff & McAndrews, Ltd.
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