Photographic film carrier

Details Photographic film carrier Photographic film carrier

1989-04-03

1990-05-01

Hayes, Monroe H.

Photocopying

Projection printing and copying cameras

With film severing

355 41, 355 72, 355 75, G03B 2900

Patent

active

049222899

ABSTRACT:
A photographic film carrier holds a photographic film firm and flat to place picture frames of the photographic film at a position of a photographic apparatus where each picture frame is projected for exposure or inspection. The film carrier is formed with a framing mask opening for holding a picture frame of the photographic film firm and flat in the framing mask opening and is provided with motor driven film transporting rollers for transporting the photographic film. A marking device is disposed downstream of the framing mask opening for forming, in one side margin of the photographic film, a perforation as a cut-mark along which the photographic film is to be cut transversely. A detector is mounted on the film carrier for detecting a transported length of the photographic film including a predetermined number of picture frames. The marking device is actuated by a controller to form a cut-mark when the detector detects a predetermined length of the photographic film.

REFERENCES:
patent: 3718807 (1973-02-01), Bracken et al.
patent: 4176944 (1979-12-01), Payrhammer
patent: 4837601 (1989-06-01), Nakane et al.

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