Degradation simulator for gas sensor

Details Degradation simulator for gas sensor Degradation simulator for gas sensor

2011-07-19

2011-07-19

McCall, Eric S (Department: 2855)

Measuring and testing

Internal combustion engine or related engine system or...

Exhaust system

C073S118010

Reexamination Certificate

active

07980121

ABSTRACT:
The degradation simulator is used for a gas sensor including a sensor element having a solid electrolyte layer and a pair of electrodes located opposite to each other across from the solid electrolyte layer, the sensor element outputting a sensor output signal having a value depending on concentration of a specific gas in the ambient gas. The degradation simulator includes a first setting function of enabling variably setting a time constant delay which appears on the sensor output signal when concentration of the specific gas changes, a second setting function of enabling variably setting a dead time delay which appears on the sensor output signal when concentration of the specific gas changes, and an adding function of adding at least one of the time constant delay and dead time delay to the sensor output signal in order to generate a pseudo-degraded sensor output signal in accordance with an external instruction.

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Information Offer Form submitted Jan. 29, 2010, in corresponding JP Application No. 2007-229487, with English translation.
Japanese Office Action dated Oct. 20, 2009, issued in corresponding Japanese Application No. 2007-229487, with English translation.

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