Global Patent Index - EP 1040926 A1

EP 1040926 A1 2000-10-04 - Magnetographic printing process

Title (en)

Magnetographic printing process

Title (de)

Magnetisches Druckverfahren

Title (fr)

Procédé d'impression mangnétographique

Publication

EP 1040926 A1 (FR)

Application

EP 00400733 A

Priority

FR 9904129 A

Abstract (en)

A drum or belt advances a magnetic surface (3) across a head (2) which may be an electromagnet receiving signals from a cont unit (5). The head magnetizes points on the magnetic surface (3) and ink particles are projected on to the drum forming revealed points. The commencement of a line of magnetized points is detected and additional energy is supplied to the leading points to compensate for the energy benefit experienced by the later points

Abstract (fr)

La présente invention concerne un procédé d'impression magnétographique consistant à créer des points d'enregistrement magnétisés sur une surface d'enregistrement magnétique d'un élément (3) d'enregistrement magnétique au moyen d'au moins une tête (2) magnétique élémentaire, à projeter des particules d'encre sur chacun des points d'enregistrement magnétisés de manière à former des images constituée de points d'image, à augmenter l'énergie fournie aux premiers points d'enregistrement magnétisés du bord d'attaque par rapport à l'énergie fournie aux autres points magnétisés. La présente invention concerne également l'imprimante magnétographique mettant en oeuvre ledit procédé. <IMAGE>

IPC 1-7 (main, further and additional classification)

B41J 2/43

IPC 8 full level (invention and additional information)

B41J 2/42 (2006.01); B41J 2/43 (2006.01)

CPC (invention and additional information)

B41J 2/43 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE FR GB IT

EPO simple patent family

EP 1040926 A1 20001004; EP 1040926 B1 20070530; DE 60034982 D1 20070712; DE 60034982 T2 20080131; FR 2791785 A1 20001006; FR 2791785 B1 20010713; JP 2000326547 A 20001128; US 6345882 B1 20020212

INPADOC legal status


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2008-05-07 [26N] NO OPPOSITION FILED

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