Linear lambda probe evaluation circuit

Electrolysis: processes – compositions used therein – and methods – Electrolytic analysis or testing – For oxygen or oxygen containing compound

Reexamination Certificate

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Details

C204S406000, C204S425000, C073S023320

Reexamination Certificate

active

07052596

ABSTRACT:
The pumping current source (P) required for operating the linear lambda probe is wired in such a manner that its inverting input is connected to the third probe terminal (Vp+), its non-inverting input is connected to the potential of the mean voltage (VM), and that its output is connected to the second probe terminal (Vp−/Vs−).

REFERENCES:
patent: 4981125 (1991-01-01), Kato et al.
patent: 5173167 (1992-12-01), Murase et al.
patent: 43 04 966 (1994-08-01), None
patent: 198 36 128 (2000-02-01), None
patent: 0 973 029 (1999-01-01), None
patent: 1 001 261 (1999-11-01), None
Datasheet CJ110, Robert Bosch GMBH, “Integrated Circuit for Continuous Lambda Regulation,” pp. 1-6, Sep. 1998.

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