Electrochemical gas sensor

Details Electrochemical gas sensor Electrochemical gas sensor

1998-03-19

2000-02-01

Warden, Sr., Robert J.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204408, 204415, 205783, 702104, G01N 2726

Patent

active

060198796

ABSTRACT:
The present invention is directed to an electrochemical gas sensor network. The network includes a gas sensor for receiving a gas and for generating a target gas concentration signal. The gas sensor has an output terminal for providing an output signal that is a product of the target gas concentration signal and a first transfer function. The network also includes a compensation circuit having an input terminal connected to the output terminal of the gas sensor. The compensation circuit also has an output terminal which provides an output signal that is a product of the output signal from the gas sensor and a second transfer function. The second transfer function is approximately an inverse of the first transfer function. The present invention also contemplates a method of compensating for the attenuation of a high frequency component of an output signal of a gas sensor.

REFERENCES:
patent: 4222006 (1980-09-01), Schneider
patent: 5083304 (1992-01-01), Cahill
patent: 5166892 (1992-11-01), Inoue et al.
patent: 5276615 (1994-01-01), Tournier Edmond et al.
patent: 5642722 (1997-07-01), Schumacher et al.
patent: 5764067 (1998-06-01), Rastegar

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