Method of optimizing the reproduction of a picture copy through

Details Method of optimizing the reproduction of a picture copy through Method of optimizing the reproduction of a picture copy through

Filed on

1994-11-14

Date issued

1997-11-11

Examiner

Hecker, Stuart N.

Patent Class

Facsimile and static presentation processing

SubClass

Facsimile

SubSubClass

Specific signal processing circuitry

Other Related Categories

358459, H04N 152

Type

Patent

Status

active

Patent number

056870051

Description

ABSTRACT:
Method of optimizing a reproduction of a picture copy includes scanning a picture copy optoelectrically for generating scanning signals, in accordance with the scanning signals, electronically screening the picture copy and inscribing a recording medium so that one of a plurality of screen fields on the recording medium corresponds to one or more scanning signals of the picture copy, forming each of the screen fields, respectively, of a plurality of elementary cells, and determining relative locations of the elementary cells so that a region of overlap between an inscribed and an adjacent non-inscribed elementary cell, respectively, is minimal.

REFERENCES:
patent: 4084183 (1978-04-01), Keller et al.
patent: 4149183 (1979-04-01), Pellar et al.
patent: 4680645 (1987-07-01), Dispoto et al.
patent: 5087981 (1992-02-01), Ng et al.
patent: 5124803 (1992-06-01), Troxel
patent: 5305118 (1994-04-01), Schiller et al.
patent: 5448366 (1995-09-01), Hamilton, Jr.
patent: 5469267 (1995-11-01), Wang
patent: 5526140 (1996-06-01), Rozzi
"Electroconically Generated Halftone Pictures", Klensch et al., RCA Review, Sep. 1970, pp. 564-572.
"Electronic halftones", Hallows et al., IEEE Spectrum, Oct. 1968, pp. 64-72 .

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