Wiper control system for automotive vehicle facilitated front an

Details Wiper control system for automotive vehicle facilitated front an Wiper control system for automotive vehicle facilitated front an

1987-04-29

1989-11-14

Ro, Bentsu

Electricity: motive power systems

Plural, diverse or diversely controlled electric motors

Running-speed control

318 49, 318DIG2, 318444, B60S 108

Patent

active

048810193

ABSTRACT:
A wiper control system includes a rear wiper control circuit associated with a front wiper control circuit. The wiper drive signals generated in the front wiper control circuit are fed to the rear wiper control circuit. The rear wiper control circuit derives a rear wiper drive timing on the basis of the occurrences of the front wiper drive signals. The rear wiper driving frequency is generally lower than that of the front wiper driving frequency. The lower rate of the rear wiper driving frequency relative to the front wiper driving frequency is preferably variable depending upon the vehicle driving condition.

REFERENCES:
patent: 4075501 (1978-02-01), Kondo
patent: 4336482 (1982-06-01), Goertler et al.

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