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    • 2. 发明申请
    • PRINTING MACHINE AND EJECTION CONTROL METHOD FOR THE SAME
    • 打印机和喷墨控制方法
    • US20100290064A1
    • 2010-11-18
    • US12863827
    • 2009-03-11
    • Masashi HaraMasahiro NishihataHitoshi AraiTakashi Hasegawa
    • Masashi HaraMasahiro NishihataHitoshi AraiTakashi Hasegawa
    • G06K1/00
    • 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。
    • 9. 发明申请
    • Image forming apparatus
    • 图像形成装置
    • US20090162122A1
    • 2009-06-25
    • US12314476
    • 2008-12-11
    • Atsushi RoppongiTatsunori KanekoMasashi Hara
    • Atsushi RoppongiTatsunori KanekoMasashi Hara
    • G03G15/00
    • G03G15/238G03G2215/00586
    • An image forming apparatus capable of performing a double-side printing process is described. The transportation efficiency and the productivity can be improved by narrowing the distance between adjacent print sheets for use in absorbing the disparity in the transportation of print sheets. The image forming apparatus includes a switchback route which is connected to a circulating transportation route CR as a branch, receives a print sheet from the circulating transportation route CR, moves the print sheet backwards and forwards, and return the print sheet to the circulating transportation route CR in order to reverse the print sheet; a scheduling unit 201 for determining the schedule of transporting the print sheets through the circulating transportation route CR and the switchback route SR; a monitoring unit 203 for monitoring the transportation position of the print sheet along the circulating transportation route CR or the switchback route SR; and a reversing route control unit 204b for controlling the stay time of the print sheet in the switchback route SR on the basis of the transportation schedule determined by the scheduling unit 201 with reference to the transportation position monitored by the monitoring unit 203.
    • 描述能够执行双面打印处理的图像形成装置。 通过缩小用于吸收打印纸的传送中的差异的相邻打印纸之间的距离,可以提高传送效率和生产率。 图像形成装置包括与作为分支的循环输送路径CR连接的折返路径,从循环输送路径CR接收打印片材,向前后移动打印片材,并将打印片材返回到循环输送路线 CR以便翻印打印页; 调度单元201,用于通过循环传送路径CR和转回路径SR确定传送打印页的日程表; 监视单元203,用于监视打印纸沿循环传送路径CR或转回路径SR的传送位置; 以及反转路径控制单元204b,用于根据由调度单元201根据由监视单元203监视的运输位置确定的运输时间表来控制折返路径SR中的打印纸的停留时间。