Automatic control of copier copy contrast and density for produc

Details Automatic control of copier copy contrast and density for produc Automatic control of copier copy contrast and density for produc

1980-05-30

1981-10-13

Moses, Richard L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 14D, 355 14E, 355 77, G03G 1500

Patent

active

042945364

ABSTRACT:
In aparatus having a document feeder coupled to a copier for producing a production run of a multi-sheet document, a memory stores the location in the document of each particular document sheet having a copy characteristic that is substantially different from the other sheets, and copier process parameter information for controlling the contrast and density of copies corresponding to the sheets of the multi-sheet document including such particular document sheet. Logic and control means coupled to the memory operates the feeder to feed seriatim document sheets to the exposure platen where they are exposed for copying to produce a copy production run. The logic and control means adjusts copier parameters so that copies corresponding to such particular document sheet have contrast and density in accordance with the stored copy processing parameter information.

REFERENCES:
patent: 4109313 (1978-08-01), Donohue et al.

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