Electro-optical device for the detection of the presence of liqu

Details Electro-optical device for the detection of the presence of liqu Electro-optical device for the detection of the presence of liqu

1978-07-31

1980-04-08

Smith, Alfred E.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250353, G01J 100

Patent

active

041974590

ABSTRACT:
An electro-optical device for the detection of the presence of a liquid, comprising at least one monochromatic infrared transmitter arranged at the region of a hollow body probe composed of a synthetic high molecular substance and totally reflecting the infrared radiation. There are also provided at least one infrared receiver and a circuit for signal processing. At least at the region of at least a boundary surface which totally reflects the infrared radiation the hollow body probe consists of a halogen-containing polymerizate.

REFERENCES:
patent: 3906232 (1975-09-01), Meihofer
patent: 4020345 (1977-04-01), Meyer

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