Photographic printer with apparatus for straightening curl of de

Details Photographic printer with apparatus for straightening curl of de Photographic printer with apparatus for straightening curl of de

1991-09-11

1992-06-23

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

With temperature or foreign particle control

355 50, G03B 2752

Patent

active

051247437

ABSTRACT:
The leader of a developed photographic film advanced from a cassette is transported to a curl quantity measuring unit. The curl quantity measuring unit measures, as the curl quantity, a height of the end of the film leader maintained free. In accordance with the obtained curl quantity, the temperature and heating time of a heating roller are controlled to straighten the curl. The developed photographic film with the curl straightened is transported to a print station at which an image within a frame to be printed is projected to a color paper while pushing the peripheral portion of the frame.

REFERENCES:
patent: 3817618 (1974-06-01), Riley et al.
patent: 4209251 (1980-06-01), Schroeder et al.

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