Apparatus for monitoring a product in a hostile environment

Details Apparatus for monitoring a product in a hostile environment Apparatus for monitoring a product in a hostile environment

1990-07-09

1991-08-20

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

356386, G01N 2186

Patent

active

050417363

ABSTRACT:
A cable monitoring system is arranged such that a light source is disposed within a chamber containing the hostile environment through which the cable is moving, and a light detector determines the condition of the cable by sensing the amount/position of light not occluded by the cable and passing through a window in the chamber to its exterior where said detector is disposed.

REFERENCES:
patent: 3796874 (1974-03-01), Roller et al.
patent: 3806253 (1974-04-01), Denton
patent: 4563095 (1986-01-01), Puffer

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