Film identification apparatus

Details Film identification apparatus Film identification apparatus

1975-04-07

1976-05-25

Borchelt, Archie R.

Radiant energy

Invisible radiation responsive nonelectric signalling

Photographic type

250475, G03B 4116

Patent

active

039596575

ABSTRACT:
Apparatus for placing identifying indicia on x-ray film within a cassette, in which an electroluminescent panel is provided with a resiliently biased slide element movably mounted on a cassette supporting member. As the cassette is positioned on the supporting member, a portion of the panel protrudes into a slot-shaped opening in one edge of the cassette, and the cassette edge simultaneously urges the slide element away from the protruding portion such that only the protruding portion and an indicia bearing card extend into the opening. When the cassette reaches its proper position on the support member, an electrical circuit automatically closes for a predetermined period of time to illuminate the panel and thereby expose the film with the information on the card.

REFERENCES:
patent: 3488753 (1970-01-01), Tone et al.
patent: 3649832 (1972-03-01), Lentz
patent: 3683182 (1972-08-01), Farmer
patent: 3845314 (1974-10-01), Byler et al.

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