Moisture sensing device

Details Moisture sensing device Moisture sensing device

1992-11-24

1995-02-21

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

25022725, G01N 1506

Patent

active

053918916

ABSTRACT:
A sensor device which registers the amount of moisture on a transparent screen. The sensor is connected to at least one light conducting element which is provided on one side with at least one beam emitter and on the other side with at least one beam receiver. The light conducting element is provided with a layer of reflecting material to enable multiple reflection of the beam issuing from the beam emitter.

REFERENCES:
patent: 4152070 (1979-05-01), Kushner
patent: 4616928 (1986-10-01), Leavitte et al.

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