Photographic printer with automatic paper splice detector

Details Photographic printer with automatic paper splice detector Photographic printer with automatic paper splice detector

1980-09-11

1982-02-09

Hix, L. T.

Photocopying

Projection printing and copying cameras

With film severing

355 50, 226 45, 242188, G03B 2900, G03B 2752

Patent

active

043147577

ABSTRACT:
A photographic printer includes a splice detector for detecting the presence of a splice in a photographic paper web. The splice detector is positioned upstream of the printing aperture of the printer, and provides a signal indicative of the presence of a paper splice prior to the time that the splice reaches the printing aperture. Following detection of the splice, the paper feed control of the printer advances the web a number of additional feeds sufficient to advance the splice past the printing aperture. As a result, recording of a photographic image on the portion of the print paper web containing the splice is avoided.

REFERENCES:
patent: 3511565 (1970-05-01), Harman, Jr. et al.
patent: 4236815 (1980-12-01), Anderson et al.
patent: 4239377 (1980-12-01), Kasmussen, Jr.

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