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    Reduced gloss banding through low ink volume deposition per print pass
    1.
    发明授权
    Reduced gloss banding through low ink volume deposition per print pass 有权
    通过每打印通过的低油墨体积沉积降低光泽度

    公开(公告)号：US08672451B2

    公开(公告)日：2014-03-18

    申请号：US13898331

    申请日：2013-05-20

    申请人： Electronics For Imaging, Inc.

    发明人： Joseph A. Lahut ,  Dwight Cram ,  John P. Duffield ,  Peter Heath

    IPC分类号： B41J2/21

    CPC分类号： B41J2/145 ,  B41J2/2132 ,  B41J19/142 ,  B41J19/147

    摘要： Improved output quality of a printer used in UV curable ink jet printing is achieved by minimizing or eliminating a print artifact referred to as gloss banding or tire tracking. A same or a similar number of nozzles as used in conventional printers is used to achieve a desired throughput, but the nozzles are arranged so that any given square inch of substrate to which ink is being applied receives a lower amount of ink. A longer effective print head is provided by arranging the print heads into a longer array, where the print heads are butted substantially end-to-end. As a result, the net throughput of the printer is the same as that of a conventional printer because the printer uses the same number of print heads, but the amount of ink that is applied to any given square inch is less on a pass.

    摘要翻译： 通过最小化或消除称为光泽条纹或轮胎跟踪的印刷伪影来实现用于UV可固化喷墨印刷的打印机的改进的输出质量。 使用与常规打印机中相同或相似数量的喷嘴来实现期望的吞吐量，但是喷嘴被布置成使得正在施加油墨的任何给定的平方英寸的基板接收较少量的墨。 通过将打印头布置成更长的阵列来提供更长的有效打印头，其中打印头基本上端对端地对接。 因此，由于打印机使用相同数目的打印头，因此打印机的净流量与常规打印机的净流量相同，但是对于任何给定的平方英寸的墨水的量都较少。

    Multilayer white printing with white-balance
    2.
    发明授权
    Multilayer white printing with white-balance 有权
    白平衡多层白色打印

    公开(公告)号：US09302490B2

    公开(公告)日：2016-04-05

    申请号：US14150527

    申请日：2014-01-08

    申请人： ELECTRONICS FOR IMAGING, INC.

    发明人： Peter Heath ,  Joseph A. Lahut ,  Dwight Cram ,  Bryan Ko

    IPC分类号： B41J29/38 ,  B41J2/21 ,  H04N1/60

    CPC分类号： B41J2/2132 ,  B41J2/0458 ,  B41J2/2114 ,  B41J2/2117 ,  B41J2/2128 ,  B41J11/002 ,  B41J19/142 ,  G06K15/102 ,  H04N1/40087 ,  H04N1/4078 ,  H04N1/54 ,  H04N1/60 ,  H04N1/6097

    摘要： White-balance is improved when printing on colored media, while minimizing the time and use of costly materials required by present approaches. In an embodiment, the typical solid white fill or background layer is altered by including in the white layer one or more of the other colors already available in the printer to shade this layer. Thus, a small amount of cyan, for example, helps balance a pink-ish (red) media; yellow is used for blue media; and magenta is used for green media; as well as combinations thereof. A combination of transparent process inks and opaque white helps to maintain brightness (luminosity).

    摘要翻译： 在彩色介质上打印时，白平衡得到改善，同时最大限度地减少了现有方法所需的昂贵材料的时间和使用。 在一个实施例中，通过在白色层中包括已经在打印机中可用的一种或多种其它颜色来改变典型的固体白色填充或背景层以遮蔽该层。 因此，例如，少量的青色有助于平衡粉红色（红色）介质; 黄色用于蓝色媒体; 洋红色用于绿色媒体; 以及它们的组合。 透明处理油墨和不透明白色的组合有助于保持亮度（亮度）。

    Multi-layer printing on non-white backgrounds
    4.
    发明授权
    Multi-layer printing on non-white backgrounds 有权
    在非白色背景上进行多层打印

    公开(公告)号：US09126420B2

    公开(公告)日：2015-09-08

    申请号：US13909854

    申请日：2013-06-04

    申请人： ELECTRONICS FOR IMAGING, INC.

    发明人： Peter Heath ,  Dwight Cram ,  Bryan Ko ,  Joseph A. Lahut

    IPC分类号： B41J2/01 ,  B41J2/21

    CPC分类号： B41J2/2117

    摘要： In a multi-layer printer, the base white layer that is applied during printing is modified using the image to be printed. By altering the white layer to reflect the density of the top image, it is easier to reach saturation (density/gamut) without adding large amounts of ink. Thus, such undesirable side effects, such as gloss-banding are avoided.

    摘要翻译： 在多层打印机中，使用要打印的图像来修改在打印期间应用的基础白色层。 通过改变白色层以反映顶部图像的密度，在不添加大量墨水的情况下更容易达到饱和度（密度/色域）。 因此，避免了这种不希望的副作用，例如光泽条带。