公开(公告)号：US06832825B1

公开(公告)日：2004-12-21

申请号：US09679343

申请日：2000-10-04

申请人： Hitoshi Nishikori ,  Naoji Otsuka ,  Hitoshi Sugimoto ,  Kiichiro Takahashi ,  Osamu Iwasaki ,  Kaneji Yamada ,  Minoru Teshigawara ,  Takeshi Yazawa ,  Toshiyuki Chikuma

发明人： Hitoshi Nishikori ,  Naoji Otsuka ,  Hitoshi Sugimoto ,  Kiichiro Takahashi ,  Osamu Iwasaki ,  Kaneji Yamada ,  Minoru Teshigawara ,  Takeshi Yazawa ,  Toshiyuki Chikuma

IPC分类号： B41J201

CPC分类号： B41J2/2128

摘要： An apparatus and method capable of obtaining an output characteristic of the print unit and determining a correction value for an output density, without using an expensive scanner. To realize this, a nozzle array consisting of a plurality of nozzles provided in the print head is divided into a plurality of nozzle blocks [a] to [d] and each of patches is formed by using the nozzles of the same nozzle block allocated to the patch. The patches are printed in a size and shape that allows the densities of the patches to be optically detected by the density sensor. A test pattern comprising these patches is measured by the density sensor to make a density correction for each nozzle of the print head.

摘要翻译： 一种能够在不使用昂贵的扫描仪的情况下获得打印单元的输出特性并确定输出密度的校正值的装置和方法。 为了实现这一点，由设置在打印头中的多个喷嘴组成的喷嘴阵列被分成多个喷嘴块[a]至[d]，并且通过使用分配给 补丁。 贴片以尺寸和形状印刷，允许由密度传感器光学检测贴片的密度。 通过密度传感器测量包括这些贴片的测试图案，以对打印头的每个喷嘴进行浓度校正。

公开(公告)号：US06827424B2

公开(公告)日：2004-12-07

申请号：US09984423

申请日：2001-10-30

申请人： Minoru Teshigawara ,  Naoji Otsuka ,  Kiichiro Takahashi ,  Osamu Iwasaki

发明人： Minoru Teshigawara ,  Naoji Otsuka ,  Kiichiro Takahashi ,  Osamu Iwasaki

IPC分类号： B41J221

CPC分类号： B41J19/147

摘要： A print method that uses a printer apparatus based on a multi-pass printing method to reduce the unevenness of colors associated with a scanning direction, even during bidirectional color printing. For this purpose, sets of two print heads that apply cyan (C), magenta (M), and yellow (Y) inks are arranged to be symmetrical in the scanning direction so that a plurality of secondary color pixels arranged in a raster direction can be formed by changing an ink application order (C→M and M→C). Consequently, the pluralities of secondary color pixels arranged in the raster direction undergo the different ink application orders, so that the application order remains the same whether the pixels are formed during forward or backward scanning. Therefore, the unevenness of colors associated with the ink application order can be reduced.

摘要翻译： 即使在双向彩色打印期间，使用基于多遍打印方法的打印机装置来减少与扫描方向相关联的颜色的不均匀性的打印方法。 为此，应用青色（C），品红色（M）和黄色（Y）墨水的两个打印头的组被布置为在扫描方向上对称，使得沿光栅方向布置的多个次要颜色像素可以 通过改变油墨应用顺序（C-> M和M→C）形成。 因此，排列在光栅方向上的多个次色像素经受不同的墨水施加次序，使得在正向或反向扫描期间形成像素时，施加顺序保持相同。 因此，可以降低与油墨施加顺序相关联的颜色的不均匀性。

公开(公告)号：US06793320B2

公开(公告)日：2004-09-21

申请号：US09983559

申请日：2001-10-25

申请人： Osamu Iwasaki ,  Naoji Otsuka ,  Kiichiro Takahashi ,  Minoru Teshigawara

发明人： Osamu Iwasaki ,  Naoji Otsuka ,  Kiichiro Takahashi ,  Minoru Teshigawara

IPC分类号： B41J215

CPC分类号： B41J11/42 ,  B41J2/2132 ,  G06K15/105

摘要： A complete image is obtained by performing printing scan for M times (M is an integral number: M ≧1) using N printing elements (N is an integral number: N≧2) on the same printing area of in a front side of the printing medium in the direction of transporting the printing medium. On the other hand, a complete image is also obtained by performing printing scan for K times (K is an integral number: K>M) using L printing elements (L is an integral number: L≦N) on the same printing area in rear side of the printing medium in the direction of transporting the printing medium.

摘要翻译： 通过在前侧的相同打印区域上使用N个打印元素（N为整数N> = 2）执行M次打印扫描M（M为积分数M> = 1）来获得完整的图像 的打印介质在传送打印介质的方向上。 另一方面，通过在相同的打印区域上使用L个打印元素（L是整数：L <= N）执行K次的打印扫描（K是整数：K> M），也可以获得完整的图像 在打印介质的后侧沿着传送打印介质的方向。

公开(公告)号：US06464319B1

公开(公告)日：2002-10-15

申请号：US09425990

申请日：1999-10-25

申请人： Minoru Teshigawara ,  Naoji Otsuka ,  Kiichiro Takahashi ,  Hitoshi Nishikori ,  Osamu Iwasaki ,  Toshiyuki Chikuma

发明人： Minoru Teshigawara ,  Naoji Otsuka ,  Kiichiro Takahashi ,  Hitoshi Nishikori ,  Osamu Iwasaki ,  Toshiyuki Chikuma

IPC分类号： B41J29393

CPC分类号： B41J2/2135

摘要： In the case where an image is formed with a mixture of large and small droplets by bi-directional printing in an ink jet printing apparatus in which ink is ejected in the form of, e.g., a droplet for printing operation while scanning by a print head, misalignment caused by a difference in ejection speed between the large and small droplets is prevented. For this purpose, there is provided a printing registration method according to the present invention comprises the steps of forming reference dots with the large and small droplets in forward scan printing, forming shifted dots in reverse scan printing on changed registration conditions, acquiring a adjustment value of the condition of dot forming positions on the basis of optical characteristics according to a plurality of shifting amounts of the relative printing positions between forward scanning and reverse scanning, controlling the order of formation of the large and small dots in the forward scanning and the reverse scanning, and correcting the adjustment value according to the offset amount of the small dot forming positions on the basis of the difference in ejection speed or the like.

摘要翻译： 在通过在喷墨打印设备中通过双向打印以大的和小的液滴的混合物形成图像的情况下，其中例如用于打印操作的墨滴的形式喷射墨水，同时通过打印头进行扫描 ，防止由大小液滴之间的喷射速度的差异引起的偏移。 为此，提供了一种根据本发明的打印配准方法，包括以下步骤：在前向扫描打印中形成具有大的和小的液滴的参考点，在改变的注册条件下在反向扫描打印中形成移位的点，获取调整值 基于正向扫描和反向扫描之间的相对打印位置的多个移位量的光学特性的点形成位置的条件，控制正向扫描和反向扫描中的大点和小点的形成顺序 基于喷射速度等的差异，根据小点形成位置的偏移量来扫描和校正调整值。

公开(公告)号：US06257143B1

公开(公告)日：2001-07-10

申请号：US09350932

申请日：1999-07-12

申请人： Osamu Iwasaki ,  Naoji Otsuka ,  Kiichiro Takahashi ,  Hitoshi Nishikori ,  Minoru Teshigawara ,  Toshiyuki Chikuma

发明人： Osamu Iwasaki ,  Naoji Otsuka ,  Kiichiro Takahashi ,  Hitoshi Nishikori ,  Minoru Teshigawara ,  Toshiyuki Chikuma

IPC分类号： B41F134

CPC分类号： B41J19/145 ,  B41J2/2135

摘要： A plurality of patterns respectively having different area factor of dot formation area are formed by forward and reverse scanning printing of a print head, and then optical characteristics of the plurality of formed patterns are measured. A function representing the relationship between the printing position offset between the forward and reverse printings is determined from the optical characteristics. Then, respective pattern having a predetermined area factor of dot formation area is formed by means of forward and reverse scanning where the speed is differentiated according to the mode of a printing apparatus, and then the optical characteristics of this pattern is measured. By applying this measured optical characteristics to the function, an adjustment value of the dot formation position conditions between the forward and reverse scans is obtained for each mode. This makes it easy to perform printing registration in a printing apparatus in the case of printing by a forward and reverse scan of a printing head or in the case of printing by means of a plurality of printing heads. In this case, operations by a user etc. are also unnecessary and are easily performed.

摘要翻译： 通过打印头的正向和反向扫描印刷形成分别具有不同面积因子的点形成区域的多个图案，然后测量多个形成的图案的光学特性。 根据光学特性确定表示正向和反向印刷之间的打印位置偏移之间的关系的函数。 然后，通过正向和反向扫描形成具有预定面积因子的点形成区域的各个图案，其中速度根据打印装置的模式被区分，然后测量该图案的光学特性。 通过将该测量的光学特性应用于该功能，对于每个模式，获得正向和反向扫描之间的点形成位置条件的调整值。 这使得在通过打印头的正向和反向扫描进行打印的情况下或者通过多个打印头进行打印的情况下，可以容易地在打印装置中进行打印配准。 在这种情况下，用户等的操作也是不必要的，并且容易执行。

公开(公告)号：US08449074B2

公开(公告)日：2013-05-28

申请号：US13196349

申请日：2011-08-02

申请人： Osamu Iwasaki ,  Kiichiro Takahashi ,  Hitoshi Nishikori ,  Naoji Otsuka ,  Minoru Teshigawara ,  Tetsuya Edamura ,  Yoshinori Nakagawa ,  Satoshi Seki

发明人： Osamu Iwasaki ,  Kiichiro Takahashi ,  Hitoshi Nishikori ,  Naoji Otsuka ,  Minoru Teshigawara ,  Tetsuya Edamura ,  Yoshinori Nakagawa ,  Satoshi Seki

IPC分类号： B41J2/21 ,  B41J2/135 ,  B41J2/17 ,  B41J2/175

CPC分类号： B41J19/147

摘要： In an ink jet printing apparatus using many types of inks to execute bidirectional printing, if ejection opening rows for yellow, magenta, and cyan inks are symmetrically arranged, ejection opening rows for a black ink are arranged adjacent to the most inside ejection opening rows for the yellow ink. Thus, a difference in color between forward scanning and backward scanning is determined by a difference in coloring between the black ink and the yellow ink. In this case, a possible color drift attributed to bidirectional printing can be suppressed by selecting the inks so that the difference in coloring between the black ink and the yellow ink is smaller than that between the black ink and the other color inks.

公开(公告)号：US08164789B2

公开(公告)日：2012-04-24

申请号：US12351251

申请日：2009-01-09

申请人： Hitoshi Nishikori ,  Naoji Otsuka ,  Kiichiro Takahashi ,  Osamu Iwasaki ,  Minoru Teshigawara ,  Takeshi Yazawa ,  Toshiyuki Chikuma

发明人： Hitoshi Nishikori ,  Naoji Otsuka ,  Kiichiro Takahashi ,  Osamu Iwasaki ,  Minoru Teshigawara ,  Takeshi Yazawa ,  Toshiyuki Chikuma

IPC分类号： G06F5/00 ,  G03F3/08 ,  G06K9/00

CPC分类号： H04N1/4057 ,  H04N1/40087

摘要： In an image processing method, on the basis of input image data with respect to a target pixel, independent multi-level data (g0, g1) corresponding to respective plural species of dots which are different in at least one of a density and a diameter are generated, and then data (O0, O1) relating to an amount of generation of the dots with respect to the target pixel are generated on the basis of a relationship between the generated independent multi-level data (g0, g1) corresponding to the plural species of dots. The image processing method is effective in performing design having a high degree of flexibility in proper use of a relatively high power dot (high density dot or large dot) and a relatively low power dot (low density dot or small dot) and can realize obviation or alleviation of an occurrence of granulation or an apparent frame caused due to the relatively high power dot.

摘要翻译： 在图像处理方法中，基于与目标像素相关的输入图像数据，对应于在密度和直径中的至少一个中不同的各种点的独立的多级数据（g0，g1） 基于与所生成的独立多级数据（g0，g1）之间的关系，生成关于相对于目标像素的点的生成量的数据（O0，O1） 多种点。 图像处理方法在正确使用较高功率点（高密度点或大点）和相对低功率点（低密度点或小点）时具有高度灵活性的设计是有效的，并且可以实现消除 或减轻由于相对高的功率点引起的造粒或表观框架的发生。

公开(公告)号：US07621621B2

公开(公告)日：2009-11-24

申请号：US10864356

申请日：2004-06-10

申请人： Osamu Iwasaki ,  Kiichiro Takahashi ,  Hitoshi Nishikori ,  Naoji Otsuka ,  Minoru Teshigawara ,  Tetsuya Edamura ,  Yoshinori Nakagawa ,  Satoshi Seki

发明人： Osamu Iwasaki ,  Kiichiro Takahashi ,  Hitoshi Nishikori ,  Naoji Otsuka ,  Minoru Teshigawara ,  Tetsuya Edamura ,  Yoshinori Nakagawa ,  Satoshi Seki

IPC分类号： B41J2/21 ,  B41J2/175

CPC分类号： B41J19/147

摘要： In an ink jet printing apparatus using many types of inks to execute bidirectional printing, if ejection opening rows for yellow, magenta, and cyan inks are symmetrically arranged, ejection opening rows for a black ink are arranged adjacent to the most inside ejection opening rows for the yellow ink. Thus, a difference in color between forward scanning and backward scanning is determined by a difference in coloring between the black ink and the yellow ink. In this case, a possible color drift attributed to bidirectional printing can be suppressed by selecting the inks so that the difference in coloring between the black ink and the yellow ink is smaller than that between the black ink and the other color inks.

摘要翻译： 在使用多种类型的墨水进行双向打印的喷墨打印装置中，如果用于黄色，品红色和青色墨水的排出开口行对称地布置，则用于黑色墨水的排出开口排布置成与最内侧的排出开口行相邻， 黄色墨水。 因此，通过黑色墨水和黄色墨水之间的着色差异来确定正向扫描和反向扫描之间的颜色差异。 在这种情况下，通过选择墨水可以抑制归因于双向印刷的可能的颜色漂移，使得黑色墨水和黄色墨水之间的着色差异小于黑色墨水和其它颜色墨水之间的着色差异。

公开(公告)号：US07377619B2

公开(公告)日：2008-05-27

申请号：US11114167

申请日：2005-04-26

申请人： Kiichiro Takahashi ,  Naoji Otsuka ,  Osamu Iwasaki ,  Minoru Teshigawara ,  Tetsuya Edamura ,  Naomi Oshio

发明人： Kiichiro Takahashi ,  Naoji Otsuka ,  Osamu Iwasaki ,  Minoru Teshigawara ,  Tetsuya Edamura ,  Naomi Oshio

IPC分类号： B41J2/21

CPC分类号： B41J2/15 ,  B41J2/2125 ,  B41J19/147

摘要： This invention provides a printing apparatus which employs a print head constructed to minimize a memory area to hold ejection data and not requiring a sophisticated manufacturing technology and thus realizes a print mode to perform a higher-than-normal-resolution printing, making it possible to form a high quality image when needed. For each of cyan and magenta that make large contributions to the formation of an image, four nozzle arrays are allocated. For each of the remaining colors, two nozzle arrays are allocated. For cyan and magenta, the interval between adjoining nozzles of the paired two arrays is set to ¼ the nozzle pitch. For cyan and magenta, all of the four nozzle arrays are used in the high resolution print mode and, in the normal print mode, only two of the four nozzle arrays are used for printing. Of the paired adjoining nozzle arrays, only one is used.

摘要翻译： 本发明提供了一种打印装置，其采用构造成使存储区域最小化以保持喷射数据并且不需要复杂制造技术的打印头，从而实现打印模式以执行高于正常分辨率的打印，使得可以 在需要时形成高质量的图像。 对于对形成图像做出巨大贡献的青色和品红色中的每一个，分配四个喷嘴阵列。 对于每个剩余的颜色，分配两个喷嘴阵列。 对于青色和品红色，成对的两个阵列的相邻喷嘴之间的间隔设置为1/4的喷嘴间距。 对于青色和品红色，所有四个喷嘴阵列都以高分辨率打印模式使用，并且在正常打印模式下，四个喷嘴阵列中只有两个用于打印。 在成对的邻接喷嘴阵列中，仅使用一个。

公开(公告)号：US07079283B2

公开(公告)日：2006-07-18

申请号：US09966251

申请日：2001-10-01

申请人： Naoji Otsuka ,  Kiichiro Takahashi ,  Hitoshi Nishikori ,  Osamu Iwasaki ,  Toshiyuki Chikuma

发明人： Naoji Otsuka ,  Kiichiro Takahashi ,  Hitoshi Nishikori ,  Osamu Iwasaki ,  Toshiyuki Chikuma

IPC分类号： G06K15/00

CPC分类号： H04N1/52 ,  G06K15/105 ,  G06K15/1852 ,  G06K2215/0094

摘要： A data processing method for generating print data to be supplied to a printing apparatus capable of multi-value recording, includes a multi-value conversion step of converting obtained image data to multi-value print data; a binarizing step of converting the obtained image data to binary print data; and a selection step of selecting either one of the multi-value conversion step and the binarizing step in accordance with a condition.