Copying method and arrangement for difficult-to-copy originals

Details Copying method and arrangement for difficult-to-copy originals Copying method and arrangement for difficult-to-copy originals

1985-09-24

1987-11-03

Hix, L. T.

Photocopying

Projection printing and copying cameras

Multicolor picture

355 77, G03B 2780

Patent

active

047040262

ABSTRACT:
A strip of originals is copied onto a band of copy material at high speed using a highly automated copier which measures the densities of the originals in the primary colors and calculates exposures from the densities. The calculated exposures for each original in each primary color are recorded. The band of exposed copy material is developed and the copies are evaluated. Unsatisfactory copies are marked. The band of copy material is subsequently cut into individual copies and the unsatisfactory copies, as well as the corresponding originals, are collected. These originals are recopied in a second copier which is far less sophisticated and expensive than the first copier. The exposures used to recopy an original are derived by applying correction factors to the recorded exposures for the original. By performing the recopying procedures, which are rather slow because they require manual operations, in a second copier, the output of the high speed copier can be maintained.

REFERENCES:
patent: 4264194 (1981-04-01), Pone et al.
patent: 4279502 (1981-07-01), Thurm et al.
patent: 4293215 (1981-10-01), Rosborough, Jr. et al.
patent: 4464045 (1984-08-01), Findeis et al.
patent: 4563083 (1986-01-01), Shiota

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