Sensor control device

Details Sensor control device Sensor control device

2011-01-04

2011-01-04

Olsen, Kaj K (Department: 1795)

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C204S425000, C205S781000

Reexamination Certificate

active

07862697

ABSTRACT:
A sensor control device, and a gas sensor and sensor control device for applying a voltage to a sensor element of the gas sensor including an oxygen ion conductor and a pair of electrodes formed on the oxygen ion conductor of the gas sensor. The sensor control device includes a potential output terminal electrically connected to one of the pair of electrodes and a potential reference terminal electrically connected to the other of the pair of electrodes constituting the sensor element. The sensor control device applies a target voltage to the sensor element via the potential output terminal, corrected to take into account variation in the potential of the potential reference terminal.

REFERENCES:
patent: 6120663 (2000-09-01), Kato et al.
patent: 2004/0089055 (2004-05-01), Cramer et al.
patent: 2004/0238378 (2004-12-01), Kumazawa et al.
patent: WO 03/083465 (2003-10-01), None

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