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1.发明授权
公开(公告)号：US5163368B1
公开(公告)日：1999-08-24
申请号：US63925491
申请日：1991-01-09
Applicant: PRESSTEK INC
Inventor： PENSAVECCHIA FRANK G , GARDINER JOHN P , KLINE JOHN F , WILLIAMS RICHARD A , LAPONSEY STEPHEN M
IPC: B41C1/05 , B41C1/04 , B41C1/055 , B41C1/10 , B41F7/02 , B41F31/02 , B41F33/00 , B41J2/525 , B41L19/00 , B41F7/00 , B41F31/00
CPC classification number: B41C1/04 , B41C1/1033 , B41C1/1066 , B41F7/02 , B41P2227/70 , B41P2235/23 , Y10S101/47
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公开(公告)号：US5385092B1
公开(公告)日：1997-10-28
申请号：US15995593
申请日：1993-11-29
Applicant: PRESSTEK INC
Inventor： LEWIS THOMAS E , WILLIAMS RICHARD A , PENSAVECCHIA FRANK G , KLINE JOHN F , GARDINER JOHN P
CPC classification number: B41N1/003 , B41C1/1008 , B41C1/1033 , B41C2201/02 , B41C2201/04 , B41C2210/02 , B41C2210/04 , B41C2210/20 , B41C2210/24 , B41J2/451 , B41J2/47 , B41J19/20 , B41N1/14 , B41P2227/70 , Y10S430/165
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公开(公告)号：US5174205B1
公开(公告)日：1999-10-05
申请号：US63919991
申请日：1991-01-09
Applicant: PRESSTEK INC
Inventor： KLINE JOHN F , PENSAVECCHIA FRANK G , LAPONSEY STEPHEN M , WILLIAMS RICHARD A
IPC: B41C1/04 , B41C1/10 , B41J2/51 , B41J2/525 , H04N1/053 , H04N1/06 , H04N1/23 , H04N1/50 , B41N1/14
CPC classification number: B41C1/1033 , H04N1/053 , H04N1/06 , H04N1/50 , H04N2201/02443 , H04N2201/0471 , H04N2201/04717 , H04N2201/04724 , H04N2201/04734 , H04N2201/04772 , H04N2201/04793 , H04N2201/04798
Abstract: An apparatus and method for controlling discharge devices used to image a planographic printing plate are disclosed. Imaging information is stored in a first memory while discharge correction data is stored in a second memory. The correction data is used to vary the intervals between imaging discharges to compensate for error between the sensed position of the printing plate with respect to a writing head and the actual position. Printing artifacts are visually minimized by staggering the imaging devices used to produce separation plates.
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