Method of locating abnormal originals

Details Method of locating abnormal originals Method of locating abnormal originals

1982-06-17

1983-11-22

Gellner, Michael L.

Photocopying

Projection printing and copying cameras

Methods

355 38, G03B 2772

Patent

active

044165390

ABSTRACT:
A method for locating an abnormal original in a photographic print exposure control process is disclosed. In the method, a number of portions of the original are subjected to photometry, and an average of each of a number of characteristic values are determined from the measured values is calculated for frames which are considered to be included in a series of originals, and a plurality of these averages are used to distinguish the abnormal original from the normal original.

REFERENCES:
patent: 4152068 (1979-05-01), Bickl et al.
patent: 4346402 (1982-08-01), Pugsley

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