Windshield wiper control based on rate of change of sensor signa

Details Windshield wiper control based on rate of change of sensor signa Windshield wiper control based on rate of change of sensor signa

1990-11-30

1992-08-18

Wysocki, A. Jonathan

Electricity: motive power systems

Plural diverse motor controls

Motor-reversing

318444, 318483, 318DIG2, 1525013, 15DIG15, B60S 100

Patent

active

051402343

ABSTRACT:
A method for controlling a windshield wiper, particularly on a motor vehicle, in which a rain sensor is located on the windshield to be wiped in the region of the windshield wiper and gives off a sensor signal as a function of the amount of wetness. The rate of change of the sensor signal after the windshield wiper has passed the sensor is determined and used in order to control the frequency of wiping.

REFERENCES:
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patent: 4527105 (1985-07-01), Shiraishi
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patent: 4705998 (1987-11-01), Millerd et al.
patent: 4740735 (1988-04-01), Hayashi
patent: 4916374 (1990-04-01), Schierbeek et al.
patent: 4942349 (1990-07-01), Millerd et al.
patent: 4987354 (1991-01-01), Steinmann

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