Printing – Planographic – Lithographic plate making – and processes of making or using...
Patent
1993-02-22
1999-06-15
Burr, Edgar
Printing
Planographic
Lithographic plate making, and processes of making or using...
101465, B41M 500
Patent
active
059111763
ABSTRACT:
A circuit arrangement for a reversible image build-up of a surface matrix of a printing form for a printing machine, wherein the surface matrix has regions which are activatable and de-activatable by repeated triggering, includes a respective electrical circuit operatively associated with every region of the surface matrix activatable and de-activatable by the repeated triggering, at least one threshold value switch connected in each of the electrical circuits and having a switching state variable by the triggering for respectively activating and de-activating the region operatively associated therewith.
REFERENCES:
patent: 5062002 (1991-10-01), Dahlquist
patent: 5150133 (1992-09-01), Ohigashi
patent: 5237346 (1993-08-01), Da Costa et al.
Burr Edgar
Ghatt Dave A.
Greenberg Laurence A.
Heidelberger Druckmaschinen AG
Lerner Herbert L.
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