Film drive system for photographic printers

Details Film drive system for photographic printers Film drive system for photographic printers

1989-05-31

1992-03-17

Hix, L. T.

Photocopying

Projection printing and copying cameras

Detailed holder for original

355133, G03B 2762

Patent

active

050972928

ABSTRACT:
The invention is an improved removable film transport for photographic equipment. A roll of film is transported through the drive by a drive reel, a take-up reel, and a supply reel. The drive allows the presentation of a selected frame from the roll of film in precise relationship to photographic equipment on which it may be mounted, such as a printer or color analyzer. Incremental adjustment of the X-axis and Y-axis of the film in relation to the photographic equipment is easily located through the use of a stepper motor and a pair of nested, sliding and interconnected frames. The drive also includes a reading device for sensing and decoding machine readable marks placed on the roll of film, and includes the necessary interface between the drive and a computer or computer network. A special drive roller mechanism minimizes risk of damage to the surface of the film during operation of the drive.

REFERENCES:
patent: 4707120 (1987-11-01), Yamamoto
patent: 4933716 (1990-06-01), Imamura et al.

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