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    • 4. 发明授权
    • Inkjet recording apparatus and density adjustment method thereof
    • 喷墨记录装置及其密度调整方法
    • US08646868B2
    • 2014-02-11
    • US13306519
    • 2011-11-29
    • Hiroki TomitaYoshiyuki Okada
    • Hiroki TomitaYoshiyuki Okada
    • B41J29/38
    • B41J2/2139B41J2/2142B41J2/2146
    • An adjustment drop number setting section 335 sets a number of adjustment drops with which a change in print density in an image occurs remarkably when an ink drop amount of one ink drop is changed for each kind of a print medium (print sheet) input from an operation panel 340 or sets uniformly regardless of the kind of print medium. When a density difference that requires adjustment is recognized visually between images by two neighboring ink heads on a density measurement chart printed by a chart printing execution section 333c, the ink drop amount of one drop in the set number of adjustment drops is adjusted by adjusting a drive voltage of the ink head of a head unit 110 according to an input from the operation panel 340.
    • 调整落下数设定部335设定当从一个打印介质(打印纸)输入的每种打印介质(打印纸)中改变一个墨滴的墨滴量时,图像中的打印浓度的变化显着地发生的调节液滴的数量 操作面板340或者均匀地设置,而不管打印介质的种类如何。 当在由图表打印执行部333c打印的密度测量图上由两个相邻墨头在图像之间目视识别出需要调节的浓度差时,通过调整设定的调整滴数的一滴的墨滴量来调整 根据来自操作面板340的输入,头单元110的墨头的驱动电压。
    • 5. 发明授权
    • Regulating device, exposure apparatus and device manufacturing method
    • 调节装置,曝光装置和装置的制造方法
    • US08164735B2
    • 2012-04-24
    • US12397014
    • 2009-03-03
    • Yoshiyuki Okada
    • Yoshiyuki Okada
    • G03B27/32G03B27/52G05D23/00
    • G05D23/1931G03F7/70858
    • The present invention is a regulating device configured to regulate a temperature T2 of a first medium in accordance with a target temperature. The regulating device comprises a heat exchanger 16, a control valve 14, temperature sensors 2 and 4, temperature sensors 6 and 8, and a heat quantity control unit 30 and a temperature control unit 50 configured to calculate a target exchange heat quantity in the heat exchanger 16, calculate an exchange heat quantity in the heat exchanger 16, add a signal dependent upon a difference between the target exchange heat quantity and the exchange heat quantity to a signal dependent upon a difference between an output of the temperature sensor 4 and the target temperature, and control the control valve 14 so that a difference between the output of the temperature sensor 4 and the target temperature is reduced.
    • 本发明是一种调节装置,其被配置为根据目标温度调节第一介质的温度T2。 调节装置包括热交换器16,控制阀14,温度传感器2和4,温度传感器6和8以及热量控制单元30和温度控制单元50,其被配置为计算热量中的目标交换热量 交换器16计算热交换器16中的交换热量,将取决于目标交换热量和交换热量之间的差的信号加到取决于温度传感器4的输出与目标之间的差的信号 温度并控制控制阀14,使得温度传感器4的输出与目标温度之间的差减小。
    • 7. 发明申请
    • Ink circulation type inkjet printer
    • 墨水循环式喷墨打印机
    • US20100013883A1
    • 2010-01-21
    • US12458435
    • 2009-07-13
    • Asayo NishimuraYoshiyuki Okada
    • Asayo NishimuraYoshiyuki Okada
    • B41J29/38
    • B41J2/175B41J2/16517
    • An ink circulation type inkjet printer includes a maintenance controller configured to: (1) allow a maintenance mechanism to execute maintenance processing for a plurality of inkjet heads before a present printing job under three conditions that: (c1) an elapsed time from a last printing job to a present printing job is less than a first reference time; (c2) the present printing job requests for ejecting ink from unused nozzles of multiple nozzles of the plurality of inkjet heads in the last printing job; (c3) the elapsed time is more than a second reference time; (2) allow the ink circulation type inkjet printer to perform the present printing job without the maintenance processing for the plurality of inkjet heads when the elapsed time is less than the predetermined second reference time.
    • 油墨循环型喷墨打印机包括:维护控制器,其被配置为:(1)在以下三个条件下,允许维护机构在当前打印作业之前对多个喷墨头进行维护处理:(c1)从最后打印起的经过时间 工作到现在的打印作业少于第一个参考时间; (c2)当前打印作业要求在最后一个打印作业中从多个喷墨头的多个喷嘴的未使用的喷嘴喷射墨水; (c3)经过时间大于第二参考时间; (2)允许墨水循环型喷墨打印机在经过时间小于预定的第二参考时间的情况下执行当前打印作业而不进行多个喷墨头的维护处理。
    • 8. 发明申请
    • Printing apparatus capable of adjusting ink temperature
    • 能够调节墨水温度的印刷装置
    • US20090207204A1
    • 2009-08-20
    • US12379151
    • 2009-02-13
    • Yoshiyuki Okada
    • Yoshiyuki Okada
    • B41J29/38
    • B41J2/175B41J2/04528B41J2/04563B41J2/0458B41J2/04596B41J29/377
    • A printing apparatus is capable of printing images by ejecting ink droplets from nozzles. The printing apparatus includes: a drive signal generation unit which generates ejectable drive pulses for ejecting ink droplets based on image data indicating the number of ink droplets for each pixel, and outputs the ejectable drive pulses to the nozzles; and a temperature measuring unit which measures the temperature of the ink. The drive signal generation unit also outputs non-ejectable drive pulses to the nozzle when the ink temperature is lower than a predetermined temperature. The non-ejectable drive pulses are generated and output in order that even when the nozzle is driven by the non-ejectable drive pulses, no ink droplet is ejected. It is therefore possible to provide, without substantially increasing the production cost, the printing apparatus which can elevate the ink temperature irrespective of the print coverage when the ink temperature is low.
    • 打印设备能够通过从喷嘴喷射墨滴来打印图像。 打印装置包括:驱动信号生成单元,其基于表示每个像素的墨滴数量的图像数据生成用于喷射墨滴的可喷射驱动脉冲,并将喷射驱动脉冲输出到喷嘴; 以及测量墨水温度的温度测量单元。 当油墨温度低于预定温度时,驱动信号产生单元还向喷嘴输出不可喷射的驱动脉冲。 产生并输出不可喷射的驱动脉冲,使得即使当喷嘴由不可喷射的驱动脉冲驱动时,也不会喷射墨滴。 因此,在油墨温度低的情况下,与打印覆盖率无关地可以提供能够提高油墨温度的打印装置,而不显着增加生产成本。
    • 9. 发明申请
    • Printer and control method thereof
    • 打印机及其控制方法
    • US20090147040A1
    • 2009-06-11
    • US12314079
    • 2008-12-03
    • Yoshiyuki OkadaAsayo Nishimura
    • Yoshiyuki OkadaAsayo Nishimura
    • B41J29/38
    • B41J2/17509B41J2/195B41J29/377
    • An inkjet printer includes an inkjet head configured to perform printing on a printing sheet by use of ink. The inkjet printer includes: a heater configured to heat the ink; a thermometer configured to measure the temperature of the ink; and a controller configured to control the amount of electric power to be supplied to the heater and to control the inkjet head. In a case where the measured value of the ink temperature measured by the thermometer is in a range of a first reference temperature inclusive to a second reference temperature exclusive, the controller calculates a coverage rate of a page to be printed, and accordingly changes the amount of electric power to be supplied to the heater depending on the coverage rate thus calculated.
    • 喷墨打印机包括:喷墨头,其被配置为通过使用墨在打印纸上进行打印。 喷墨打印机包括:加热器,其被配置为加热墨; 构造成测量墨水温度的温度计; 以及控制器,被配置为控制要供应到加热器的电力量并控制喷墨头。 在由温度计测量的油墨温度的测量值在第一基准温度(包括第二基准温度)至第二基准温度异常的范围内的情况下,控制器计算要打印的页面的覆盖率,并因此改变量 的电力根据这样计算的覆盖率提供给加热器。