EP 0993956 A2 20000419 - Linear translation system dithering for improved image quality
Title (en)
Linear translation system dithering for improved image quality
Title (de)
Zitterung eines Linearführungssystems für verbesserte Bildqualität
Title (fr)
Tremblement d'un système de translation linéaire pour l'amélioration d'un image
Publication
Application
Priority
US 14412398 A 19980831
Abstract (en)
An image processing apparatus (10) for sheet thermal print media comprises a vacuum imaging drum (300) for holding thermal print media (32) and dye donor material (36) in registration on vacuum imaging drum (300). A printhead (500) moves along a line parallel to a longitudinal axis of vacuum imaging drum (300) by a linear motion control system (900) which is interrupted with a random delay as vacuum imaging drum (300) rotates. Printhead (500) receives information signals and produces radiation which is directed to dye donor material (36) which causes color to transfer from dye donor material (36) to thermal print media (32). <IMAGE>
IPC 1-7
IPC 8 full level
B41J 2/32 (2006.01); B41J 11/42 (2006.01); B41J 13/22 (2006.01); B41J 19/20 (2006.01)
CPC (source: EP)
B41J 11/42 (2013.01); B41J 13/226 (2013.01); B41J 19/16 (2013.01); B41J 19/202 (2013.01)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0993956 A2 20000419; EP 0993956 A3 20020102; JP 2000071488 A 20000307
DOCDB simple family (application)
EP 99202685 A 19990819; JP 23196299 A 19990818