Method and apparatus for producing a grey scale stencil

Details Method and apparatus for producing a grey scale stencil Method and apparatus for producing a grey scale stencil

1996-07-10

1998-08-04

Moore, David K.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358536, 358456, H04N 146, H04N 140

Patent

active

057902739

ABSTRACT:
Method and apparatus for producing a grey-shade stencil in which a pattern which is bounded by edges is transferred, with a grey-shade grid superimposed on it, into a radiation-sensitive base. The grid is extended continuously over edges of the pattern which come to rest on one another, in order to avoid strips being formed in the area of mutually adjacent edges of pattern reproductions.

REFERENCES:
patent: 4350996 (1982-09-01), Rosenfeld
patent: 5305118 (1994-04-01), Schiller et al.
patent: 5315406 (1994-05-01), Levien
patent: 5442461 (1995-08-01), Levien

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