发明名称 |
PRINT MONITORING APPARATUS |
摘要 |
A print monitoring apparatus for monitoring a print transported out of a printing unit comprises a defect position discrimination unit for discriminating a position of a defect on a print web of the print fed from the printing unit, a defect memory unit for storing defect position information given from the defect position discrimination unit and record information containing defect occurrence time, a number of successive occurrence pages, a roll paper name and a number of used pages, and a display unit for displaying the information stored in the defect memory unit. In another aspect, a print monitoring apparatus for monitoring a print transported out of a printing unit comprises a print defect detection unit for detecting defect on a print web of the print fed from the printing unit, the defect detection unit including a monitoring sensor for dividing a print surface of the print web into a plurality of pixels and converting information of pixels into electric signals representing density information of the respective pixels, a central processing unit for processing information data regarding the density information of the respective pixels from the print defect detection unit, and a defect content discrimination unit for discriminating defect content in accordance with information data from the central processing unit and preliminarily set reference for the discrimination.
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申请公布号 |
CA2058242(C) |
申请公布日期 |
1996.12.17 |
申请号 |
CA19912058242 |
申请日期 |
1991.12.20 |
申请人 |
TOSHIBA KIKAI KABUSHIKI KAISHA |
发明人 |
HASHIMOTO, YUTAKA;IIDA, MITSUHIKO;HAYASHI, MAKOTO;KANEKO, SIZUNORI;NAKAZATO, MASAHIRO |
分类号 |
B41F33/00;(IPC1-7):B41J29/42;B41J29/20;B41J29/46 |
主分类号 |
B41F33/00 |
代理机构 |
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代理人 |
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地址 |
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