Photocopying – Projection printing and copying cameras – Identifying – composing – or selecting
Patent
1982-02-17
1984-04-10
Wintercorn, Richard A.
Photocopying
Projection printing and copying cameras
Identifying, composing, or selecting
355 68, G03B 2752
Patent
active
044418078
ABSTRACT:
A photographic printing system including an improved masking card. The masking card carries an image-bearing transparency at an aperture thereof. The card cooperates with a photograhic printer to contribute to the registration of the image relative to the optical path of the printer. A plurality of mark boxes are located at predetermined locations on the card with each location representing a printer exposure parameter. At least some of the marked box locations represent exposures of preselected size. Ghost character outlines of an optically readable character font are preprinted at at least some of the marked box locations. An information storage medium is carried by the card and includes a plurality of data blocks each dedicated to a printer exposure parameter, including printer exposure parameters represented by the mark box locations. In a preferred embodiment, those mark box locations representing exposures of preselected size have preprinted ghost character outlines of an optically readable numerical font. The information storage medium may be a magnetic tape and, preferably, a strip of magnetic tape having two tracks with one track providing clock pulses.
REFERENCES:
patent: 3829661 (1974-08-01), Silverman et al.
patent: 3921318 (1975-11-01), Calavetta
patent: 3951545 (1976-04-01), Lucht
patent: 4105156 (1978-08-01), Dethloff
patent: 4264196 (1981-04-01), von Stein et al.
Lucht Engineering, Inc.
Wintercorn Richard A.
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