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    • 16. 发明授权
    • Printing device
    • 印刷装置
    • US08585048B2
    • 2013-11-19
    • US13332607
    • 2011-12-21
    • Ryota YamagishiMasahiko KusuhataMasashi Hara
    • Ryota YamagishiMasahiko KusuhataMasashi Hara
    • B65H9/04
    • B65H9/006B65H85/00B65H2511/414B65H2513/10B65H2801/06B65H2220/02B65H2220/01
    • A printing device includes: a registration roller that once stops a transferred sheet and then feeds the transferred sheet toward an inkjet head unit; a sheet feed system that transfers and feeds a sheet to the registration roller; a sheet refeed system that, during both-side printing, reverses a one-side printed sheet and transfers the one-side printed sheet to the registration roller; and a controller that, during both-side printing, controls the registration roller so as to feed a sheet, which is fed by the sheet feed system and the sheet refeed system, toward the inkjet head unit in accordance with a predetermined print schedule. The controller controls the sheet feed system in accordance with the print schedule so that a speed when a sheet fed from the sheet feed system is abutted against the inkjet head unit becomes lower during both-side printing than during one-side printing.
    • 一种印刷装置,包括:定位辊,其一旦停止转印的纸张,然后将转印的纸张朝向喷墨头单元进给; 将片材传送并输送到定位辊的片材进给系统; 在双面打印期间反转单面印刷纸并将单面印刷纸传送到定位辊的片材重新馈送系统; 以及控制器,其在双面打印期间控制所述定位辊,以便根据预定的打印时间表向所述喷墨头单元输送由所述供纸系统和所述片材重新馈送系统馈送的片材。 控制器根据打印时间表控制送纸系统,使得从双面打印时,从供纸系统供给的纸张抵靠在喷墨头单元上的纸张的速度比在单面打印期间的速度变低。
    • 17. 发明授权
    • Printing machine and ejection control method for the same
    • 印刷机和喷射控制方法相同
    • US08411308B2
    • 2013-04-02
    • US12863827
    • 2009-03-11
    • Masashi HaraMasahiro NishihataHitoshi AraiTakashi Hasegawa
    • Masashi HaraMasahiro NishihataHitoshi AraiTakashi Hasegawa
    • G06F15/00
    • B41J11/007B41J11/008B41J11/42B41J11/44
    • Disclosed is a printing machine comprising: encoders (311 and 312) configured to detect respective angular velocities of a drive roller and a driven roller as a travel speed of core members inside a transfer belt (160); a DSP (321) configured to extract from a temporal variation in a ratio of the measured speed at each roller speed ratio data (profile data) having a frequency corresponding to the speed ratio of a core portion; profile data memory (332) configured to store the profile data; and a head controller (334) configured to control the timing at which each image is formed by a head unit (110) on the basis of the profile data so that positional deviation among multiple images on the transfer belt (160) may be reduced. The head unit (110) forms multiple images on a record medium under the control of the head controller (334). Thus, an ink misalignment at the time of printing can be prevented with high accuracy by recording a change in the core members inside the belt as a profile, using this profile, and reducing memory usage and arithmetic processing load.
    • 公开了一种印刷机,包括:编码器(311和312),被配置为检测驱动辊和从动辊的相应角速度,作为转移带(160)内的芯部件的行进速度; DSP(321),被配置为从具有与芯部的速比对应的频率的每个辊速比数据(轮廓数据)的时间变化量提取时间变化; 简档数据存储器(332),被配置为存储简档数据; 以及头部控制器(334),其被配置为基于轮廓数据来控制由头单元(110)形成每个图像的定时,从而可以减少转印带(160)上的多个图像之间的位置偏差。 头单元(110)在头控制器(334)的控制下在记录介质上形成多个图像。 因此,通过使用该轮廓记录皮带内部的芯构件的变化,并且减少存储器使用和算术处理负载,可以高精度地防止打印时的墨水未对准。