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    • 4. 发明授权
    • Inkjet printing device and inkjet printing method
    • 喷墨打印装置和喷墨打印方法
    • US08783808B2
    • 2014-07-22
    • US13323653
    • 2011-12-12
    • Rie TakekoshiAyumi HirakawaTakumi KanekoYumi KamimuraKazuki NarumiNoboru Kunimine
    • Rie TakekoshiAyumi HirakawaTakumi KanekoYumi KamimuraKazuki NarumiNoboru Kunimine
    • B41J29/38
    • B41J2/2107
    • An inkjet printing device having a print head that ejects a plurality of types of inks has: an ejection unit configured to, on the basis of ejection data that scans the print head a plurality of times to eject the inks from the print head to a predetermined area of a print medium, eject the inks to print an image; wherein the inks are classified into a first ink having a relatively large contact angle and a second ink having a relatively small contact angle, and wherein the ejection data is ejection data that, if a difference in application amount between the first ink and the second ink to be ejected to the predetermined area by the ejection unit is larger than a predetermined value, increases a ratio at which an ink having a smaller application amount is ejected in last half scans among the plurality of times of scans.
    • 具有喷射多种墨水的打印头的喷墨打印装置具有:喷墨单元,其配置为基于从打印头扫描打印头多次以将墨从喷墨头喷射到预定的喷墨数据 打印介质的区域,喷出油墨以打印图像; 其中所述油墨被分成具有相对较大接触角的第一油墨和具有相对较小接触角的第二油墨,并且其中所述喷射数据是喷射数据,如果所述第一油墨和所述第二油墨之间的施加量的差异 通过喷射单元喷射到预定区域大于预定值,增加在多次扫描中在最后一次扫描中喷射具有较小涂布量的墨的比例。
    • 7. 发明申请
    • INKJET PRINTING APPARATUS AND INKJET PRINTING METHOD
    • 喷墨打印设备和喷墨打印方法
    • US20080246791A1
    • 2008-10-09
    • US12131573
    • 2008-06-02
    • Takumi KanekoTakao OgataRie TakekoshiNoboru Kunimine
    • Takumi KanekoTakao OgataRie TakekoshiNoboru Kunimine
    • B41J29/38
    • B41J19/147B41J2/2107
    • One or more scans used to apply a specific ink are varied according to the overlapping conditions of the specific ink and a non-specific ink, and bias in the specific ink nozzle usage frequency and bias in the printing ratio among passes is suppressed. For this purpose, one or more scans used to apply the specific ink are determined on the basis of applying amount information for the specific ink and the non-specific ink. For example, the one or more scans used to apply the specific ink are determined such that the ratio of specific ink applied by the last half of plural scans is greater for a unit pixel whose application ratio of non-specific ink to specific ink is greater than a predetermined ratio than for a unit pixel whose application ratio of non-specific ink to the specific ink is less than the predetermined ratio.
    • 根据特定墨水和非特定墨水的重叠条件,用于施加特定墨水的一次或多次扫描被改变,并且抑制了特定墨水喷嘴使用频率中的偏压和通过之间的打印比率的偏差。 为此,基于特定油墨和非特定油墨的施加量信息来确定用于施加特定油墨的一次或多次扫描。 例如,用于施加特定墨水的一次或多次扫描被确定为使得对于非特定墨水与特定墨水的应用比例更大的单位像素,多次扫描的后半部分所施加的特定墨水的比率更大 比预定比例,其比非特定墨水与特定墨水的应用比例小于预定比率的单位像素。