Rain sensor

Details Rain sensor Rain sensor

1995-07-10

1997-01-28

Peng, John K.

Communications: electrical

Condition responsive indicating system

Specific condition

318444, G08B 2100

Patent

active

055981461

ABSTRACT:
A rain sensor which is arranged on the outside of the windshield of a motor vehicle in a region which can be passed over by a windshield wiper and has at least one conductive track which is connected to an electric potential within the motor vehicle. A loop resistance of the conductive track (1, 2) is measured for the electrical detection of a tear.

REFERENCES:
patent: Re33308 (1990-08-01), Millerd et al.
patent: 4554493 (1985-11-01), Armstrong
patent: 4665351 (1987-05-01), Nyberg
patent: 4705998 (1987-11-01), Millerd et al.
patent: 4942349 (1990-07-01), Millerd et al.
patent: 5057754 (1991-10-01), Bell
patent: 5140234 (1992-08-01), Wallrafen
patent: 5239244 (1993-08-01), Teder
patent: 5306992 (1994-04-01), Droge
patent: 5493190 (1996-02-01), Mueller

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