Global Patent Index - EP 0747224 A1

EP 0747224 A1 19961211 - System of measuring the amount of ink discharged while printing

Title (en)

System of measuring the amount of ink discharged while printing

Title (de)

Messsystem der Menge ausgestossener Tinte während des Druckens

Title (fr)

Système de mesure de la quantité d'encre déchargé pendant l'impression

Publication

EP 0747224 A1 19961211 (EN)

Application

EP 96303812 A 19960529

Priority

  • JP 13144495 A 19950530
  • JP 10541796 A 19960425

Abstract (en)

A method of measuring the amount of ink discharged from an ink-jet type printhead (54) in a single discharging operation comprises a density measuring step of measuring the density of an ink dot formed by an ink discharged from the printhead (54) on a glass plate (60) and a determining step of determining an amount of ink on the basis of the density of the ink dot measured at the density measuring step. <IMAGE>

IPC 1-7

B41J 2/21; B41J 29/393

IPC 8 full level

B41J 2/01 (2006.01); B41J 2/05 (2006.01); B41J 2/125 (2006.01); B41J 2/175 (2006.01); B41J 2/21 (2006.01); B41J 29/393 (2006.01)

CPC (source: EP)

B41J 2/04508 (2013.01); B41J 2/04558 (2013.01); B41J 2/0458 (2013.01); B41J 2/04588 (2013.01); B41J 2/04591 (2013.01); B41J 2/04598 (2013.01); B41J 2/2128 (2013.01); B41J 29/393 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

EP 0747224 A1 19961211; EP 0747224 B1 20030226; DE 69626340 D1 20030403; JP 2907772 B2 19990621; JP H0948111 A 19970218

DOCDB simple family (application)

EP 96303812 A 19960529; DE 69626340 T 19960529; JP 10541796 A 19960425