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    High-quality edge-smoothing based upon a determination of consecutive black dots
    1.
    发明授权
    High-quality edge-smoothing based upon a determination of consecutive black dots 失效
    基于确定连续黑点的高质量边缘平滑

    公开(公告)号：US6075894A

    公开(公告)日：2000-06-13

    申请号：US977735

    申请日：1997-11-25

    申请人： Kentaro Yano ,  Naoji Ohtsuka ,  Osamu Iwasaki ,  Takahiro Matsuura ,  Daigoro Kanematsu

    发明人： Kentaro Yano ,  Naoji Ohtsuka ,  Osamu Iwasaki ,  Takahiro Matsuura ,  Daigoro Kanematsu

    IPC分类号： G06T5/00 ,  G06T5/20 ,  G06K9/36

    CPC分类号： G06T5/002 ,  G06T5/30 ,  G06T7/0085 ,  H04N1/4092 ,  G06K2215/0071 ,  G06T2207/20164

    摘要： An image processing method and an apparatus capable of employing the method, which smooth notches on outlines and output an image of high quality having smooth outlines. First, edges to be smoothed are determined, then numbers of consecutive black dots in the horizontal and vertical directions are counted from originating points in the determined edge. Further, dots for correcting an original image are calculated based on the counted numbers of consecutive black dots. Thereby it is possible to perform the high speed smoothing correction efficiently, facilitating production of a high quality printing apparatus for a reasonable price.

    摘要翻译： 一种能够使用该方法的图像处理方法和装置，其在轮廓上平滑切口并输出具有平滑轮廓的高质量图像。 首先，确定要平滑的边缘，然后从所确定的边缘中的起点计数水平和垂直方向上连续黑点的数目。 此外，基于计数的连续黑点数来计算用于校正原始图像的点。 因此，可以有效地执行高速平滑校正，便于以合理的价格生产高质量的打印装置。

    Print control method and printer
    2.
    发明授权
    Print control method and printer 失效
    打印控制方式和打印机

    公开(公告)号：US6142600A

    公开(公告)日：2000-11-07

    申请号：US844854

    申请日：1997-04-22

    申请人： Kiichiro Takahashi ,  Naoji Ohtsuka ,  Kentaro Yano ,  Hitoshi Nishikori ,  Osamu Iwasaki ,  Daigoro Kanematsu ,  Hidehiko Kanda

    发明人： Kiichiro Takahashi ,  Naoji Ohtsuka ,  Kentaro Yano ,  Hitoshi Nishikori ,  Osamu Iwasaki ,  Daigoro Kanematsu ,  Hidehiko Kanda

    IPC分类号： B41J2/21 ,  B41J2/165 ,  B41J2/175 ,  B41J2/18 ,  B41J2/185 ,  B41J2/205

    CPC分类号： B41J2/17546 ,  B41J2/1652

    摘要： Disclosed are an inkjet printing method and an inkjet printer capable of printing high-quality images by the inkjet printing method even when ink is exchanged for ink having a different density, particularly ink having a lower density. A printer using this method identifies the type of an ink tank attached to a printhead. When the printer detects in accordance with the type of an ink tank that an ink tank is changed to another ink tank containing ink with a different density, recovery conditions for the printhead are changed in accordance with the type of the ink. Especially when an ink tank is exchanged for another ink tank containing ink with a lower density, the printer increases the number of times of suction for the printhead after the ink tank exchange and the number of times of preliminary discharge after wiping. The printer also shortens preliminary discharge intervals and increases the number of preliminary discharge times at the time of printing.

    摘要翻译： 公开了一种喷墨打印方法和喷墨打印机，即使当油墨更换为具有不同密度的油墨时，也能够通过喷墨打印方法打印高质量图像，特别是具有较低密度的油墨。 使用该方法的打印机识别附接到打印头的墨水盒的类型。 当打印机根据墨水盒的类型将墨水盒更换为另一个具有不同密度的墨水的墨盒时，打印头的恢复条件根据墨水的类型而改变。 特别是当墨水盒更换为另一个含有较低密度的墨水的墨水盒时，打印机会增加墨盒更换后的打印头的抽吸次数和擦拭后的预排出次数。 打印机还缩短了初步放电间隔，并增加了打印时的初步放电次数。

    Printing apparatus and print control method
    5.
    发明授权
    Printing apparatus and print control method 有权
    打印设备和打印控制方法

    公开(公告)号：US06352327B1

    公开(公告)日：2002-03-05

    申请号：US09191531

    申请日：1998-11-13

    申请人： Kentaro Yano ,  Naoji Ohtsuka ,  Kiichiro Takahashi ,  Hitoshi Nishikori ,  Osamu Iwasaki ,  Daigoro Kanematsu

    发明人： Kentaro Yano ,  Naoji Ohtsuka ,  Kiichiro Takahashi ,  Hitoshi Nishikori ,  Osamu Iwasaki ,  Daigoro Kanematsu

    IPC分类号： B41J2938

    CPC分类号： B41J2/17546 ,  B41J2/04543 ,  B41J2/0458

    摘要： A printing apparatus and print control method, capable of using plural types of printheads, can achieve high throughput by performing optimized print control in accordance with the type of printhead and the number of printheads used. In a case where the printing apparatus adopting such print control method includes, e.g., four printheads, and performs printing on a print medium by reciprocally scanning the printheads, detection is first performed as to whether only one printhead which discharges black ink is mounted or four printheads which respectively discharge black, yellow, cyan and magenta ink are mounted; decision is made on a printing period of the printhead based on the detected result; then decision is made on a scanning speed of the printhead based on the decided printing period; and the printhead is driven based on the decided printing period and scanning speed to perform printing.

    摘要翻译： 能够使用多种类型的打印头的打印设备和打印控制方法可以通过根据打印头的类型和使用的打印头的数量执行优化的打印控制来实现高产量。 在采用这种打印控制方法的打印设备包括例如四个打印头的情况下，并且通过往复扫描打印头在打印介质上进行打印时，首先执行检测是否仅安装一个排出黑色墨水的打印头或四个 安装分别排出黑色，黄色，青色和品红色墨水的打印头; 基于检测结果在打印头的打印周期进行判定; 然后基于所决定的打印周期对打印头的扫描速度进行判定; 并且基于所决定的打印周期和扫描速度来驱动打印头以执行打印。

    Ink-jet printing method and apparatus for printing with inks of different densities
    7.
    发明授权
    Ink-jet printing method and apparatus for printing with inks of different densities 失效
    喷墨打印方法和用不同密度油墨打印的装置

    公开(公告)号：US06543872B2

    公开(公告)日：2003-04-08

    申请号：US09865450

    申请日：2001-05-29

    申请人： Naoji Ohtsuka ,  Kentaro Yano ,  Kiichiro Takahashi ,  Hitoshi Nishikori ,  Osamu Iwasaki ,  Daigoro Kanematsu ,  Hidehiko Kanda

    发明人： Naoji Ohtsuka ,  Kentaro Yano ,  Kiichiro Takahashi ,  Hitoshi Nishikori ,  Osamu Iwasaki ,  Daigoro Kanematsu ,  Hidehiko Kanda

    IPC分类号： B41J29393

    CPC分类号： B41J2/17553 ,  B41J2/04553 ,  B41J2/04563 ,  B41J2/0458 ,  B41J2/1752 ,  G06K15/107 ,  H04N1/40025

    摘要： It is checked whether an ink used in a printhead has a high density. The type of a printing medium used for a print operation is also identified. An image is printed by scanning the printhead once or a plurality of times. When a print operation is to be performed by using a thick ink, an image is printed by using mask data and the driving frequency of the head which are set for the thick ink. When a print operation is to be performed by using a thin ink, an image is printed by using mask data and the driving frequency of the head which are set for the thin ink and the type of printing medium used for the print operation. Codes of the respective color data of print data are determined in accordance with the types of inks used for a print operation, and an image is printed by printing a plurality of dots or dots in an overlapping state by the multi-pass method.

    摘要翻译： 检查打印头中使用的墨水是否具有高密度。 还识别用于打印操作的打印介质的类型。 通过扫描打印头一次或多次打印图像。 当通过使用浓墨水进行打印操作时，通过使用为厚油墨设定的掩模数据和头的驱动频率来打印图像。 当通过使用薄墨水进行打印操作时，通过使用用于薄墨水的打印头数据和头部的驱动频率以及用于打印操作的打印介质的类型来打印图像。 根据用于打印操作的油墨的类型来确定打印数据的各个颜色数据的代码，并且通过多遍方法以重叠状态打印多个点或点来打印图像。

    Ink-jet printing method and apparatus for printing with inks of different densities
    9.
    发明授权
    Ink-jet printing method and apparatus for printing with inks of different densities 失效
    喷墨打印方法和用不同密度油墨打印的装置

    公开(公告)号：US06260938B1

    公开(公告)日：2001-07-17

    申请号：US08847740

    申请日：1997-04-22

    申请人： Naoji Ohtsuka ,  Kentaro Yano ,  Kiichiro Takahashi ,  Hitoshi Nishikori ,  Osamu Iwasaki ,  Daigoro Kanematsu ,  Hidehiko Kanda

    发明人： Naoji Ohtsuka ,  Kentaro Yano ,  Kiichiro Takahashi ,  Hitoshi Nishikori ,  Osamu Iwasaki ,  Daigoro Kanematsu ,  Hidehiko Kanda

    IPC分类号： B41J2205

    CPC分类号： B41J2/17553 ,  B41J2/04553 ,  B41J2/04563 ,  B41J2/0458 ,  B41J2/1752 ,  G06K15/107 ,  H04N1/40025

    摘要： It is checked whether an ink used in a printhead has a high density. The type of a printing medium used for a print operation is also identified. An image is printed by scanning the printhead once or a plurality of times. When a print operation is to be performed by using a thick ink, an image is printed by using mask data and the driving frequency of the head which are set for the thick ink. When a print operation is to be performed by using a thin ink, an image is printed by using mask data and the driving frequency of the head which are set for the thin ink and the type of printing medium used for the print operation. Codes of the respective color data of print data are determined in accordance with the types of inks used for a print operation, and an image is printed by printing a plurality of dots or dots in an overlapping state by the multi-pass method.

    摘要翻译： 检查打印头中使用的墨水是否具有高密度。 还识别用于打印操作的打印介质的类型。 通过扫描打印头一次或多次打印图像。 当通过使用浓墨水进行打印操作时，通过使用为厚油墨设定的掩模数据和头的驱动频率来打印图像。 当通过使用薄墨水进行打印操作时，通过使用用于薄墨水的打印头数据和头部的驱动频率以及用于打印操作的打印介质的类型来打印图像。 根据用于打印操作的油墨的类型来确定打印数据的各个颜色数据的代码，并且通过多遍方法以重叠状态打印多个点或点来打印图像。