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1. 发明授权

US4422781A Printing apparatus and method variable velocity on-the fly printing 失效
标题翻译：打印设备和方法可变速度即时打印
公开(公告)号：US4422781A
公开(公告)日：1983-12-27
申请号：US353649
申请日：1982-03-01
申请人： Stephen C. Armfield , Christopher W. Brock
发明人： Stephen C. Armfield , Christopher W. Brock
IPC分类号： B41J2/49 , B41J3/04
CPC分类号： B41J2/49
摘要： A method and apparatus for controlling the velocity of a carriage in a calligraphic type printing apparatus maximizes average velocity across the printing line. The method and apparatus, based upon the present carriage velocity and the maximum future carriage velocities along a predetermined next portion of the printing line, determine the direction of velocity change for the carriage, if any change is needed. Accordingly, the velocity of the carriage is controlled so as to not exceed maximum carriage velocities at various points along the printing line. These maximum carriage velocities are determined by the symbols being printed and in particular by the complexity of the symbols being printed. The method and apparatus can operate either on a demand or on a line-by-line basis.
摘要翻译：用于控制书法型印刷装置中的托架的速度的方法和装置使印刷线上的平均速度最大化。该方法和装置基于当前的载运速度和沿印刷线的预定下一部分的最大未来载运速度，如果需要任何改变，确定滑架的速度变化的方向。因此，滑架的速度被控制成不超过沿着印刷线的各个点处的最大载运速度。这些最大载运速度由打印的符号确定，特别是由打印的符号的复杂性决定。该方法和装置可以在需求或逐行的基础上操作。

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