EP 0390473 A2 19901003 - An ink jet recording apparatus.
Title (en)
An ink jet recording apparatus.
Title (de)
Tintenstrahlaufzeichnungsgerät.
Title (fr)
Appareil d'enregistrement à jet d'encre.
Publication
Application
Priority
JP 7491689 A 19890329
Abstract (en)
An ink jet recording apparatus wherein an image is formed on a recording material by ejection of coloring agents having different colors from plural recording heads (110C,M,Y,BK) includes a discriminator for discriminating whether an image having a edge and an image having high image density are overlaid or not; and a controller, responsive to the discriminator, for reducing quantity of the coloring agent for the high density image at a position corresponding to at least one of the edge and a periphery of the edge.
IPC 1-7
IPC 8 full level
B41J 2/01 (2006.01); B41J 2/07 (2006.01); B41J 2/205 (2006.01); B41J 2/21 (2006.01)
CPC (source: EP)
B41J 2/2132 (2013.01); B41J 2202/12 (2013.01)
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
EP 0390473 A2 19901003; EP 0390473 A3 19910410; EP 0390473 B1 19940706; DE 69010367 D1 19940811; DE 69010367 T2 19941201; JP 2752421 B2 19980518; JP H02253958 A 19901012
DOCDB simple family (application)
EP 90303207 A 19900327; DE 69010367 T 19900327; JP 7491689 A 19890329