Local display technique for fiber optic illuminator/hood system

Details Local display technique for fiber optic illuminator/hood system Local display technique for fiber optic illuminator/hood system

1984-09-04

1987-01-06

Frankfort, Charles

Measuring and testing

Liquid level or depth gauge

With illumination

73290R, G01F 2300

Patent

active

046337113

ABSTRACT:
A local display of a fluid level is provided in connection with a fiber optic illuminating system in which a side by side, bi-color light is passed through the fluid in a level gauge having transparent viewing ports. Diverging light passing from the level gauge, refracted in response to the fluid and gauge material, is masked and one color is passed to a focusing lens and a local readout in a plane above or below the focusing lens.

REFERENCES:
patent: 3678741 (1972-07-01), Burley
patent: 4387594 (1983-06-01), Berthold
patent: 4397182 (1983-08-01), Bakul

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