Apparatus for making masks and/or block copies for printing

Details Apparatus for making masks and/or block copies for printing Apparatus for making masks and/or block copies for printing

1982-12-23

1985-04-30

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358284, 358257, 382 54, 382 57, 355 79, H04N 140, H04N 565

Patent

active

045147671

ABSTRACT:
Masks or block copies for printing are fabricated by an apparatus comprising: a picture input device for obtaining through a filter a signal relating to the optical density of the picture of an object to be introduced as input; a picture processing device for subjecting the resulting picture optical density data from the picture input device to operational processing thereby to form a diagram figure; and a device for forming a mask or block copy for printing on the basis of the resulting diagram figure data obtained by means of the picture processing device.

REFERENCES:
patent: 4072818 (1978-02-01), Loviello
patent: 4300170 (1981-11-01), Sakamoto
patent: 4396940 (1983-08-01), Tanaka et al.

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