Apparatus and a method for controlling a windshield wiper

Details Apparatus and a method for controlling a windshield wiper Apparatus and a method for controlling a windshield wiper

1986-03-03

1987-08-25

Shoop, Jr., William M.

Electricity: motive power systems

Automatic and/or with time-delay means

Moisture content or wetness

318444, 318DIG2, 15250C, B60S 108

Patent

active

046895361

ABSTRACT:
An apparatus and a method for controlling a wiper which smoothly starts to move the wipers at different wiping speeds from an initial position thereof in accordance with a detected amount of rain. The apparatus includes a sensor, a first comparator, an actuator, a second comparator, a memory and a changing device.
The sensor detects the amount of rain. The memory memorizes the second actuating signal outputted from the second comparator and the memory outputs the memorized signal. The changing device for changing the wiping speed of the wiper at the time when the wiper starts to move from the initial position in accordance with a memorized second actuating signal outputted from the memory at the time when the wiper starts to move from the initial position, the changing device changes a low wiping speed of the wiper to a high wiping speed or a high wiping speed of the wiper to a low wiping speed.

REFERENCES:
patent: 4010383 (1977-03-01), Grassmann
patent: 4037146 (1977-07-01), Kondo
patent: 4107588 (1978-08-01), Seiler
patent: 4317073 (1982-02-01), Blaszkowski
patent: 4463294 (1984-07-01), Gibson
patent: 4499410 (1985-02-01), Iacoponi et al.
patent: 4527105 (1985-07-01), Shiraishi
patent: 4542325 (1985-09-01), Kobayashi et al.

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