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    • 1. 发明授权
    • Ink feeding method and ink feeding apparatus for a printing machine
    • 用于印刷机的供墨方法和供墨装置
    • US06883432B2
    • 2005-04-26
    • US10410231
    • 2003-04-10
    • Takaharu YamamotoSatoru KiyoharaKunio Muraji
    • Takaharu YamamotoSatoru KiyoharaKunio Muraji
    • B41F31/02B41F33/00
    • B41F33/0045B41P2233/51Y10S101/45Y10S101/47
    • An ink feeding method for a printing machine includes a color density measuring step for measuring color density of prints at intervals of time, a variation coefficient computing step for computing a variation coefficient for varying the ink feeding rate based on the color density of prints and a target color density of prints, a color density gradient computing step for computing, based on the color density of prints, a color density gradient representing a rate of variation in the color density of prints occurring with an increase in the number of prints, an expected color density computing step for computing, based on the color density gradient, an expected color density of prints occurring after a predetermined number of prints are made, a determining step for determining whether the expected color density of prints occurring after the predetermined number of prints are made exceeds the target color density of prints, and a variation coefficient correcting step for correcting the variation coefficient when the expected color density of prints is determined to exceed the target color density of prints.
    • 一种用于打印机的供墨方法包括:色彩浓度测量步骤,用于测量间隔时间的打印色密度;变化系数计算步骤,用于基于打印件的色彩浓度计算用于改变墨水供给速率的变化系数;以及 用于打印的目标颜色浓度的颜色密度梯度计算步骤,用于基于打印的色彩浓度计算表示随着打印数量的增加而发生的打印色密度的变化率的色浓度梯度, 颜色浓度计算步骤,用于基于颜色浓度梯度计算在进行预定数量的打印之后发生的打印的预期颜色浓度;确定步骤,用于确定在预定打印数量之后发生的打印的预期颜色浓度是否为 使得印刷品的目标颜色浓度超过目标颜色浓度,以及变化系数校正步骤, 当印刷品的预期色彩浓度被确定超过印刷品的目标色彩浓度时,色度系数。
    • 2. 发明授权
    • Printing apparatus for performing quality control of printed paper sheet
    • 用于进行打印纸张的质量控制的打印装置
    • US06715945B2
    • 2004-04-06
    • US10265239
    • 2002-10-07
    • Takaharu YamamotoYoshikazu KoyanagiKunio Muraji
    • Takaharu YamamotoYoshikazu KoyanagiKunio Muraji
    • B41J2315
    • B41F33/0036
    • A printing apparatus includes an image reader for reading an image on a printed paper sheet to obtain image data, and a controller for controlling the image reader to obtain image data about a color chart including solid patches once for every predetermined number of printed sheets or at every predetermined time interval which is inputted and set. The controller processes the image data to compute a printed density of each solid patch. Measurement data including the printed density are sequentially stored in a storage section in association with the number of printed sheets or time. The measurement data stored in the storage section may be displayed by a display section or outputted to a print section in the form of history data indicating measurement data transitions. Thus, the printing apparatus including a device for measuring printed sheets can perform history management on the measurement data for every predetermined number of printed sheets or at every predetermined time interval.
    • 一种打印装置,包括用于读取打印纸张上的图像以获得图像数据的图像读取器,以及控制器,用于控制图像读取器,以获得关于包括固体补丁的彩色图像的图像数据,每个预定数量的打印纸张一次或在 每个预定的时间间隔被输入和设置。 控制器处理图像数据以计算每个固体贴片的印刷密度。 包括打印浓度的测量数据与打印的纸张数量或时间相关联地存储在存储部分中。 存储在存储部分中的测量数据可以由显示部分显示,或以指示测量数据转换的历史数据的形式输出到打印部分。 因此,包括用于测量打印片材的装置的打印装置可以对每个预定数量的打印片材或每隔预定时间间隔对测量数据执行历史管理。
    • 5. 发明授权
    • Inkjet printing apparatus and a purging method therefor
    • 喷墨打印设备及其清洗方法
    • US09033459B2
    • 2015-05-19
    • US13621053
    • 2012-09-15
    • Takaharu Yamamoto
    • Takaharu Yamamoto
    • B41J2/165B41J2/175B41J2/19
    • B41J2/16585B41J2/16523B41J2/16532B41J2/17596B41J2/19
    • An inkjet printing apparatus carries out printing by moving an inkjet head and printing paper relative to each other. The inkjet head has a plurality of nozzles for discharging ink droplets. The apparatus includes a feed pipe connected to each nozzle of the inkjet head for feeding ink thereto, an ink feed control valve mounted on the feed pipe for controlling circulation of the ink, a cap for blocking the plurality of nozzles of the inkjet head, a decompression device for decompressing an inside of the cap, decompression piping for connecting the cap and the decompression device, a decompression control valve mounted on the decompression piping for controlling communication between the cap and the decompression device, and a controller.
    • 喷墨打印设备通过相对于彼此移动喷墨头和打印纸来执行打印。 喷墨头具有用于排出墨滴的多个喷嘴。 该装置包括连接到喷墨头的每个喷嘴以供给墨水的进料管,安装在进料管上用于控制油墨循环的供墨控制阀,用于阻挡喷墨头的多个喷嘴的盖, 用于减压盖内部的减压装置,用于连接盖和减压装置的减压管道,安装在减压管道上用于控制盖和减压装置之间的连通的减压控制阀以及控制器。
    • 6. 发明申请
    • Developing method, and printing machine for executing the developing method
    • 开发方法和执行开发方法的打印机
    • US20070144379A1
    • 2007-06-28
    • US11641823
    • 2006-12-20
    • Takaharu YamamotoKazuki Fukui
    • Takaharu YamamotoKazuki Fukui
    • B41F31/02
    • B41M1/06B41C1/1075B41P2227/70G03F7/3035
    • A printing plate developing method includes an image recording step for recording an image on a printing plate with an image recorder, an ink key opening degree setting step for setting opening degrees of ink keys in an ink feeder such that the larger opening degree is set for the smaller image percentage in regions, corresponding to the respective ink keys, on the printing plate having the image recorded thereon, a preliminary ink feeding step for feeding the ink to the ink rollers, an ink transfer step for transferring the ink from the ink rollers to the dampening water rollers, a dampening water feeding step for feeding the dampening water to the printing plate with the dampening water rollers, an ink feeding step for feeding the ink to the printing plate with the ink rollers, and a transfer step for transferring the ink from the printing plate to printing paper.
    • 一种印版显影方法,包括:图像记录步骤,用于在具有图像记录器的印版上记录图像;墨键开度设置步骤,用于设置供墨器中的墨水键的开度,使得较大的开度设定为 在其上记录有图像的印版上对应于相应的墨水键的区域中的较小的图像百分比,用于将墨水供给到墨辊的预备墨水供给步骤,用于从墨辊传送墨水的墨水转印步骤 一个用润湿水辊将润版水输送到印版上的润湿水供给步骤,用油墨辊将油墨供给印刷板的供墨步骤,以及转印步骤, 墨水从印版到印刷纸。
    • 7. 发明授权
    • Ink feeding method and ink feeding apparatus
    • 供墨方式和供墨装置
    • US07131376B2
    • 2006-11-07
    • US10944899
    • 2004-09-21
    • Takaharu YamamotoKazuya TakedaKazuki Fukui
    • Takaharu YamamotoKazuya TakedaKazuki Fukui
    • B41F31/00B41F1/34
    • B41F33/0045B41F31/045B41P2233/11
    • An ink feeding method includes a density reading step for reading density data obtained by measuring densities of detecting patches on a first image, before an end of a printing operation, a first computing step for computing, from the density data, an ink feed film thickness remaining after prints having the first image are made, a second computing step for computing an ink feed film thickness required for making prints having a second image, from a target density for the prints having the second image, a third computing step for computing a preset ink feeding rate from the ink feed film thickness remaining after the prints having the first image are made, computed in the first computing step, and the ink feed film thickness required for making the prints having the second image, computed in the second computing step, and an ink feeding step for feeding the preset ink based on the preset ink feeding rate computed in the third computing step.
    • 一种墨水供给方法,包括:密度读取步骤,用于读取在打印操作结束之前测量第一图像上的检测斑块的浓度所获得的浓度数据;第一计算步骤,用于从密度数据计算墨水供给膜厚度 在具有第一图像的打印件之后剩余的第二计算步骤用于计算从具有第二图像的打印物的目标浓度制作具有第二图像的打印所需的供墨膜厚度,用于计算预设的第三计算步骤 在第一计算步骤中计算在具有第一图像的打印后剩余的供墨膜厚度的墨水供给速率,以及在第二计算步骤中计算的具有第二图像的打印件所需的供墨膜厚度, 以及供墨步骤,用于基于在第三计算步骤中计算的预设供墨速率来供给预设墨水。