Rain detector

Details Rain detector Rain detector

1986-09-02

1987-09-08

Scott, J. R.

Communications: electrical

Condition responsive indicating system

Specific condition

200 6104, H01H 3500, G08B 2100

Patent

active

046927514

ABSTRACT:
A rain detector adapted to be mounted on a window sill that is activated in a pulsating manner caused by the rain hitting the detector thus giving the detector a distinctive alarm to notify a person to close the window, wherein the detector comprises a movable spring supported plate with an electrical contact spaced from a fixed plate with an opposing electrical contact whereby rain drops activate the movable plate to cause engagement of said contacts thus activating a pulsating alarm.

REFERENCES:
patent: 1213642 (1917-01-01), Hoeft
patent: 1280116 (1918-09-01), Troiano
patent: 2171329 (1939-08-01), Boone
patent: 2432367 (1947-12-01), Andresen
patent: 2443687 (1948-06-01), Marquard
patent: 2769872 (1956-11-01), Clark
patent: 2856476 (1958-10-01), Kaiser et al.
patent: 3210492 (1965-10-01), Hayes

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