EP 0893257 A1 19990127 - Print monitoring
Title (en)
Print monitoring
Title (de)
Abdruckkontrolle
Title (fr)
ContrÔle de l'impression
Publication
Application
Priority
GB 9713500 A 19970627
Abstract (en)
A printing apparatus comprises a printing press having a plurality of printing plates for printing respective portions of an image onto a substrate 10. Each printing plate carries a unique identification mark C that is printed onto respective different portions of the substrate, such that the printed marks C combine to form a bar-code or other symbol. The apparatus further comprises means for comparing the complete symbol C of a correctly printed image with the final printed image on the substrate, which is obtained by a bar-code reader or video camera of the apparatus. In use, if the bar-code does not match the stored code, say because an incorrect plate is present, an error signal is produced by the apparatus to inhibit the press. <IMAGE>
IPC 1-7
IPC 8 full level
B41F 33/00 (2006.01)
CPC (source: EP)
B41F 33/0036 (2013.01); B41P 2233/50 (2013.01)
Citation (search report)
- [X] US 5241483 A 19930831 - PORRET OLIVIER [CH], et al
- [A] US 5056430 A 19911015 - BAYERLEIN FRIEDRICH K [DE], et al
- [A] US 4671661 A 19870609 - OTT HANS [CH]
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
GB 2326615 A 19981230; GB 9713500 D0 19970903; EP 0893257 A1 19990127
DOCDB simple family (application)
GB 9713500 A 19970627; EP 98305086 A 19980625