Device for operating a windshield wiper

Details Device for operating a windshield wiper Device for operating a windshield wiper

1997-01-15

1999-04-20

Ip, Paul

Electricity: motive power systems

Automatic and/or with time-delay means

Moisture content or wetness

318443, 318444, 318DIG2, 1525012, 1525017, B60S 108, H02P 104

Patent

active

058960180

ABSTRACT:
A device for operating a windshield wiper with an automatic wiper control. A fast reaction to a suddenly occurring heavy wetting event is assured without adversely affecting the sequence of intermittent wiper operation. This is achieved by an evaluation unit which has a surge detection stage that makes it possible to detect, during intermittent operation when a sensor signal falls short of a surge threshold and by triggering a control signal for at least one wiping action when the signal falls short of the surge threshold.

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patent: 5666037 (1997-09-01), Reime

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