Rain sensor system for a motor vehicle

Details Rain sensor system for a motor vehicle Rain sensor system for a motor vehicle

1997-03-14

1999-05-04

Hofsass, Jeffery A.

Communications: electrical

Condition responsive indicating system

Specific condition

340602, 318444, 318483, 318DIG2, G08B 2100

Patent

active

059008210

ABSTRACT:
In a rain sensor system for a motor vehicle, a sensor element is provided as separate part for attachment in the vicinity of a vehicle window. The sensor element is wiped by a separate wiper blade which is fastened to a windshield wiper or driven by the latter. As a function of the a degree of wetness present on its top, the sensor element supplies electric signals to an evaluation electronics. Above a limit value of the signals, the evaluation electronics connects the windshield wiper.

REFERENCES:
patent: 3794847 (1974-02-01), Cadiou
patent: 4589771 (1986-05-01), Watanabe et al.
patent: 4705998 (1987-11-01), Millerd et al.
patent: 4897585 (1990-01-01), Millerd et al.
patent: 5306992 (1994-04-01), Droge
patent: 5572765 (1996-11-01), Guell
patent: 5598146 (1997-01-01), Schroder
patent: 5672976 (1997-09-01), Egger et al.

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