Automatic windshield wiper apparatus with raindrop detector for

Details Automatic windshield wiper apparatus with raindrop detector for Automatic windshield wiper apparatus with raindrop detector for

1990-10-22

1992-06-02

Ro, Bentsu

Electricity: motive power systems

Periodic, repetitious or successive operations control of...

Variable periods or intervals between controlling operations

318483, 318DIG2, B60S 108

Patent

active

051190028

ABSTRACT:
A wiper apparatus comprises a wiper motor, a wiper switch, a moisture sensor for sensing presence of moisture, a vibration sensor for sensing a vibration caused by raindrops and a controller for actuating the wiper motor in accordance with output signals from the moisture sensor and the vibration sensor. The apparatus is free from the malfunction and works automatically by sensing even a drizzling rain.

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patent: 4931767 (1990-06-01), Albrecht et al.
patent: 4942349 (1990-07-01), Millerd et al.

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