Device for operating a wiper

Details Device for operating a wiper Device for operating a wiper

1996-05-28

1998-03-17

Ro, Bentsu

Electricity: motive power systems

Automatic and/or with time-delay means

Moisture content or wetness

318443, 318DIG2, B60S 108

Patent

active

057291063

ABSTRACT:
A device for operating a windshield wiper, with the device including a sensor for detecting the degree of moistness of a windshield, an evaluator for receiving a signal from the sensor, and a control unit which receives a control signal from the evaluator for operating the windshield wiper if a difference between a reference value and values derived from the sensor signal exceeds a predetermined threshold value. The evaluator includes a detector stage for determining whether the sensor signal or the values derived therefrom lie within a normal range (UGR, OGR), and a selector stage for switching to a predetermined base interval mode of operating of the wipes when the detector stage determines that the sensor signal or the values derived therefrom lie outside of the normal range.

REFERENCES:
patent: 4355271 (1982-10-01), Noack
patent: 4476419 (1984-10-01), Fukatsu et al.
patent: 5059877 (1991-10-01), Teder

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