Semi automatic film cutter with movable cursor

Details Semi automatic film cutter with movable cursor Semi automatic film cutter with movable cursor

1977-04-28

1978-08-15

Stoner, Jr., Bruce H.

Advancing material of indeterminate length

By intermittent material-mover

Unicyclic mover

83208, 83241, 83369, 226139, B65H 1722, B65H 3506

Patent

active

041066855

ABSTRACT:
A film advancement system for use in a photographic film cutter includes a movable cursor which indicates, by its position, a desired feed length. A cursor position sensor senses the position of the movable cursor with respect to a reference position and provides a feed length signal indicative of the feed length desired. The film is advanced by a distance determined by the feed length signal.

REFERENCES:
patent: 3512439 (1970-05-01), Kallenberg et al.
patent: 3656673 (1972-04-01), Erickson
patent: 3760669 (1973-09-01), Rosenthal et al.
patent: 3887122 (1975-06-01), Sommeria
patent: 4029250 (1977-06-01), Tall
patent: 4056024 (1977-11-01), Baert et al.

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