Film handling apparatus control system

Details Film handling apparatus control system Film handling apparatus control system

1973-06-28

1976-03-02

Hayes, Monroe H.

Optics: motion pictures

With film treating or working

352 72, G03C 1100

Patent

active

039414655

ABSTRACT:
A control system for a cinematographic film cassette processor/projector unit. The control system includes a function programmer comprising an operating cycle selector responsive to a processed/unprocessed indicator on the cassette to program the control system for either a processed-film operating cycle or an unprocessed-film operating cycle and a logic unit for programming the sequence and execution of the plural operational modes of the apparatus during an operating cycle. The control system further includes a reel drive control circuit having plural speed and direction drive control modes programmed by the function programmer, a mode change actuator circiut responsive to cessation of film movement to actuate a change in the operational mode of the processor/projector by changing the logic state of the logic disc assembly, and a manually-actuatable replay circuit.

REFERENCES:
patent: 2009442 (1935-07-01), Foster
patent: 3771861 (1973-11-01), Land
patent: 3800306 (1974-03-01), Land

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