Film identification apparatus

Details Film identification apparatus Film identification apparatus

1976-01-28

1977-01-04

Smith, Alfred E.

Radiant energy

Invisible radiation responsive nonelectric signalling

Photographic type

354105, 346 33ME, G03B 4116

Patent

active

040015920

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. A printing unit applies time and data information to an indicia bearing card and simultaneously activates a control circuit for a predetermined time interval to condition the circuit for the energization of the panel only during this interval. The thus imprinted card is then placed on the panel, and 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. When the cassette reaches its proper position on the support member, the control circuit is effective to illuminate the panel and thereby expose the film with the information on the card.

REFERENCES:
patent: 3452196 (1969-06-01), Gray
patent: 3488753 (1970-01-01), Tone et al.
patent: 3679902 (1972-07-01), Hurst et al.
patent: 3683182 (1972-08-01), Farmer
patent: 3797025 (1974-03-01), Murphy et al.

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