Process and system for the operation of a resistive moisture sen

Details Process and system for the operation of a resistive moisture sen Process and system for the operation of a resistive moisture sen

1997-07-30

1999-01-19

Ballato, Josie

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

324685, 324676, 324710, 318483, 318DIG2, G01W 114, G01N 2710

Patent

active

058617582

ABSTRACT:
A process and a system for the operation of a resistive moisture sensor, in particular on the windshield of a motor vehicle, wherein the conductivity of the moisture sensor is measured shortly after a sudden change in a signal fed to the moisture sensor and measured at at least one later time. Information as to the nature and degree of the dirtying of the windshield is obtained by the measured values.

REFERENCES:
patent: 4827198 (1989-05-01), Mueller
patent: 5140234 (1992-08-01), Wallrafen
patent: 5200676 (1993-04-01), Mueller
patent: 5306992 (1994-04-01), Droge

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