Film sensor for an X-ray film loader

Details Film sensor for an X-ray film loader Film sensor for an X-ray film loader

1975-01-29

1976-07-06

Willis, Davis L.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250353, 250468, 250475, G01J 100

Patent

active

039683656

ABSTRACT:
A non-contact film sensor is provided for an automatic X-ray film loader. The sensor includes an infrared source having an output which is filtered to be outside the spectral sensitivity of the X-ray film. The sensor may be used to monitor a supply magazine and also to determine the presence of film in a film path.

REFERENCES:
patent: 3775613 (1973-11-01), Hommerin

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