Printing paper information reading apparatus

Details Printing paper information reading apparatus Printing paper information reading apparatus

1997-09-04

2000-12-12

Mathews, Alan A.

Photocopying

Projection printing and copying cameras

Identifying, composing, or selecting

355 29, 83371, G03B 2752, G03B 1724

Patent

active

06160609&

ABSTRACT:
A printing paper information reading apparatus for accurately detecting cut marks 3a and reading information formed on printing paper 3. The apparatus includes a first mark detector 29a for detecting the cut marks 3a formed for frame images printed on the printing paper 3, respectively, a second mark detector 29b for detecting information marks 3c formed in the printing paper 3 in a corresponding relationship to the cut marks 3a, and a printing paper information generator 5g for generating printing paper information by evaluating results of detection of the information marks 3c by the second mark detector 29 in synchronism with detection of the cut marks 3a by the first mark detector 29a.

REFERENCES:
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patent: 3948125 (1976-04-01), Hujer et al.
patent: 3992965 (1976-11-01), Hell et al.
patent: 4140390 (1979-02-01), Schulltheis et al.
patent: 5072639 (1991-12-01), Dolf
patent: 5093684 (1992-03-01), Crochetierre et al.
patent: 5583610 (1996-12-01), Yoshikawa

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