EP 0456006 B1 19940907 - Method and device for indicating of registering device malfunctions on a printed product equipped with registering marks.
Title (en)
Method and device for indicating of registering device malfunctions on a printed product equipped with registering marks.
Title (de)
Verfahren und Anordnungen zum Ermitteln von Registerfehlern auf einem mit Registermarken versehenen Druckerzeugnis.
Title (fr)
Méthode et arrangement pour la recherche de fautes de repérage sur un produit imprimé muni de marques de repérages.
Publication
Application
Priority
DE 4014706 A 19900508
Abstract (en)
[origin: EP0456006A1] In a method for indicating registering device malfunctions on a printed product equipped with registering marks (4, 5, 6), the registering marks (4, 5, 6) being scanned opto-electrically on passage of the printed product through the printing machine, the registering marks (4, 5, 6) are scanned twice in the direction of travel of the web at a predetermined separation. By subtraction of the signals obtained by the scanning, a further signal arises. The temporal position of the extreme value of the further signal constitutes a measure for the position of the registering marks. <IMAGE>
IPC 1-7
IPC 8 full level
B41F 13/12 (2006.01); B41F 33/00 (2006.01); B41F 33/14 (2006.01)
CPC (source: EP US)
B41F 33/0081 (2013.01 - EP US)
Designated contracting state (EPC)
AT CH DE FR GB LI
DOCDB simple family (publication)
EP 0456006 A1 19911113; EP 0456006 B1 19940907; AT E111029 T1 19940915; CA 2041347 A1 19911109; CA 2041347 C 19960220; DE 4014706 A1 19911114; DE 4014706 C2 19940601; DE 59102798 D1 19941013; JP H04229270 A 19920818; US 5249139 A 19930928
DOCDB simple family (application)
EP 91105927 A 19910413; AT 91105927 T 19910413; CA 2041347 A 19910428; DE 4014706 A 19900508; DE 59102798 T 19910413; JP 13202891 A 19910508; US 69718791 A 19910508