Projection original film feeding apparatus

Details Projection original film feeding apparatus Projection original film feeding apparatus

1993-04-19

1995-08-22

Cuchlinski, Jr., William A.

Optics: image projectors

Slide transfer mechanism

For slides of various dimensions

353103, 353108, G03B 2300

Patent

active

054445060

ABSTRACT:
A projection original film feeding apparatus is provided with a feeder for feeding original film to a projecting position, a sizer for outputting size information of the original film, and a controller for varying the amount of feed the original film by the feeder to conform with the size information from the sizer and setting the original film at a regular projecting position for each size irrespective of the size.

REFERENCES:
patent: 4707092 (1987-11-01), Mindell
patent: 4942411 (1990-07-01), Polston
patent: 4944586 (1990-02-01), Rightmyre
patent: 5172145 (1992-12-01), Stephenson

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