Imprint control system with feedback feature

Details Imprint control system with feedback feature Imprint control system with feedback feature

1983-01-04

1985-08-27

Britton, Howard W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

346 75, 358293, 358294, 358296, H04N 146

Patent

active

045381739

ABSTRACT:
A procedure for controlling the imprint in reproductive printing. With a view to providing a versatile printing control system, and one which eliminates the maximum of errors, the invention is mainly characterized in that by means of an optical system is formed an image signal consistent with the imprint and which is compared with a set-point image signal produced in one way or another, from the result of comparison thus obtained being formed an electrical differential signal, which according to the feedback principle controls the formation of the imprint of each object under examination.

REFERENCES:
patent: 3488434 (1970-01-01), Farber
patent: 3553371 (1971-01-01), Suenaga
patent: 3578897 (1971-05-01), Stock
patent: 4183030 (1980-01-01), Kaieda

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