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12. 发明申请

US20060005722A1 Misregistration when printing speed is changed, cutting misregistration, or pinter in which variation of printing density can be controlled 审中-公开
标题翻译：当打印速度改变时，配准失调，切割失调或可以控制打印浓度变化的凹坑
公开(公告)号：US20060005722A1
公开(公告)日：2006-01-12
申请号：US10507208
申请日：2003-03-24
申请人： Satoshi Nobukawa , Shigeo Makino , Shinichiro Senoo , Yoshitaka Hamamoto
发明人： Satoshi Nobukawa , Shigeo Makino , Shinichiro Senoo , Yoshitaka Hamamoto
IPC分类号： B41F5/16 , B41F5/18
CPC分类号： B41F13/12 , B41P2233/10
摘要： A fluctuation characteristic of registration between images printed by individual printing units (4A, 4B, 4C, 4D) while changing print speed is predicted for each of particular printing conditions that affect the registration fluctuation characteristic. Based on the predicted fluctuation characteristic of registration, a control characteristic of the phase between plate cylinders (5, 5, 5, 5) of the individual printing units (4A, 4B, 4C, 4D) is preliminarily set so as to compensate for vertical image misregistration between images printed by the individual printing units (4A, 4B, 4C, 4D), and is stored in a database (32). Then, when the print speed is being changed, from among the plural phase control characteristics thus preliminarily stored in the database (32), a phase control characteristic that corresponds to a printing condition concerning the current printing is selected, and the phase relation between the plate cylinders (5, 5, 5, 5) of the individual printing units (4A, 4B, 4C, 4D) is being modified according to the selected phase control characteristic. Thereby vertical image misregistration can be suppressed and the occurrence of brokes due to the change of print speed can be prevented.
摘要翻译：对于影响配准波动特性的每个特定打印条件，预测在改变打印速度的同时由各打印单元（4A，4B，4C，4D）打印的图像之间的配准的波动特性。基于预测的配准波动特性，预先设定各打印单元（4A，4B，4C，4D）的印版滚筒（5,5,5,5）之间的相位的控制特性，以便以补偿由各个打印单元（4A，4B，4C，4D）打印的图像之间的垂直图像重合，并存储在数据库（32）中。然后，当打印速度改变时，从预先存储在数据库（32）中的多个相位控制特性中，选择与当前打印有关的打印条件相对应的相位控制特性，各打印单元（4A，4B，4C，4D）的印版滚筒（5,5,5,5）根据选定的相位控制特性进行修改。由此可以抑制垂直图像重合失调，并且可以防止由于打印速度的变化引起的突变的发生。

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