Control method and device for reproducing a halftone dot cut awa

Details Control method and device for reproducing a halftone dot cut awa Control method and device for reproducing a halftone dot cut awa

1980-07-15

1982-03-23

Britton, Howard

Facsimile and static presentation processing

Facsimile

Recording apparatus

358283, 358302, H04N 140

Patent

active

043216315

ABSTRACT:
In a method for reproducing a halftone picture by scanning, wherein a brightness and a width of a recording light beam to be projected on a photosensitive material is suitably controlled by means of picture signals obtained from the scanning of an original picture, a control method for reproducing a halftone dot cut away along a picture outline is disclosed, wherein a position of an outline in an original picture is detected, wherein the intersection of the outline with a halftone dot is discriminated by comparaing the two positions of the outline and the dot, and wherein a part of the dot positioned inside the outline is exposed by the recording light beam. This method is carried out by using a control device according to the present invention, which is also disclosed.

REFERENCES:
patent: 3983319 (1976-09-01), Moe

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