公开(公告)号：US6042212A

公开(公告)日：2000-03-28

申请号：US104283

申请日：1998-06-25

申请人： Kiichiro Takahashi ,  Naoji Otsuka ,  Kazuhiro Nakata ,  Atsushi Arai ,  Kentaro Yano ,  Osamu Iwasaki ,  Daigoro Kanematsu ,  Masao Sasaki

发明人： Kiichiro Takahashi ,  Naoji Otsuka ,  Kazuhiro Nakata ,  Atsushi Arai ,  Kentaro Yano ,  Osamu Iwasaki ,  Daigoro Kanematsu ,  Masao Sasaki

IPC分类号： G06K15/10 ,  B41J2/205 ,  B41J2/21

CPC分类号： G06K15/107

摘要： Random masks each having a given size and defining a random array of non-record pixel locations and record pixel locations are placed in association with record areas in mask registers. Using the placed masks, record data is thinned-out and supplied to a recording head. An image is then recorded. Thus, since thinning-out masks do not have periodicity, any inherent density nonuniformity loses periodicity. Consequently, high-definition images can be produced.

摘要翻译： 每个具有给定大小并且定义非记录像素位置的随机阵列和记录像素位置的随机掩模与掩码寄存器中的记录区域相关联地放置。 使用放置的掩模，记录数据被稀疏并提供给记录头。 然后记录图像。 因此，由于稀疏掩模不具有周期性，任何固有的密度不均匀性都会失去周期性。 因此，可以产生高清晰图像。

公开(公告)号：US5992971A

公开(公告)日：1999-11-30

申请号：US331103

申请日：1994-10-28

申请人： Kiichiro Takahashi ,  Naoji Otsuka ,  Jiro Moriyama ,  Nobuyuki Kuwabara ,  Isao Ebisawa ,  Atsushi Arai ,  Hisao Yaegashi ,  Toshiharu Inui ,  Kentaro Yano ,  Yuji Akiyama ,  Hitoshi Sugimoto ,  Osamu Iwasaki ,  Daigoro Kanematsu

发明人： Kiichiro Takahashi ,  Naoji Otsuka ,  Jiro Moriyama ,  Nobuyuki Kuwabara ,  Isao Ebisawa ,  Atsushi Arai ,  Hisao Yaegashi ,  Toshiharu Inui ,  Kentaro Yano ,  Yuji Akiyama ,  Hitoshi Sugimoto ,  Osamu Iwasaki ,  Daigoro Kanematsu

IPC分类号： B41J2/21 ,  B41J29/38 ,  H04N1/21 ,  H04N1/23

CPC分类号： B41J2/2107

摘要： An ink jet recording method uses black ink and a plurality of inks having different colors, which have ink penetration properties different from that of the black ink. The method includes generating multi-level black recording datum on the basis of a multi-level color recording datum of a discrimination pixel, wherein a ratio of generation of black recording datum is changed in accordance with a multi-level color recording datum of a pixel marginal to the discrimination pixel; and recording a color image on the basis of the multi-level color recording datum and the multi-level black recording datum generated by the generating step.

摘要翻译： 喷墨记录方法使用具有不同于黑色油墨的油墨渗透性的黑色油墨和具有不同颜色的多种油墨。 该方法包括基于识别像素的多级彩色记录基准产生多级黑色记录数据，其中根据像素的多级彩色记录数据改变黑色记录数据的生成比率 边缘到辨别像素; 并且基于由生成步骤生成的多级彩色记录数据和多级黑色记录数据记录彩色图像。

公开(公告)号：US5818474A

公开(公告)日：1998-10-06

申请号：US266498

申请日：1994-06-27

申请人： Kiichiro Takahashi ,  Naoji Otsuka ,  Kazuhiro Nakata ,  Atsushi Arai ,  Kentaro Yano ,  Osamu Iwasaki ,  Daigoro Kanematsu ,  Masao Sasaki

发明人： Kiichiro Takahashi ,  Naoji Otsuka ,  Kazuhiro Nakata ,  Atsushi Arai ,  Kentaro Yano ,  Osamu Iwasaki ,  Daigoro Kanematsu ,  Masao Sasaki

IPC分类号： G06K15/10 ,  B41J2/205 ,  H04N1/21

CPC分类号： G06K15/107

摘要： Random masks each having a given size and defining a random array of non-record pixel locations and record pixel locations are placed in association with record areas in mask registers. Using the placed masks, record data is thinned-out and supplied to a recording head. An image is then recorded. Thus, since thinning-out masks do not have periodicity, any inherent density nonuniformity loses periodicity. Consequently, high-definition images can be produced.

公开(公告)号：US5751310A

公开(公告)日：1998-05-12

申请号：US329414

申请日：1994-10-27

申请人： Kentaro Yano ,  Naoji Otsuka ,  Jiro Moriyama ,  Nobuyuki Kuwabara ,  Isao Ebisawa ,  Atsushi Arai ,  Hisao Yaegashi ,  Toshiharu Inui ,  Kiichiro Takahashi ,  Osamu Iwasaki ,  Daigoro Kanematsu

发明人： Kentaro Yano ,  Naoji Otsuka ,  Jiro Moriyama ,  Nobuyuki Kuwabara ,  Isao Ebisawa ,  Atsushi Arai ,  Hisao Yaegashi ,  Toshiharu Inui ,  Kiichiro Takahashi ,  Osamu Iwasaki ,  Daigoro Kanematsu

IPC分类号： B41J2/21 ,  B41M5/00 ,  G06K15/10 ,  H04N1/58 ,  H04N1/60 ,  B41J2/205

CPC分类号： G06K15/102 ,  H04N1/58 ,  H04N1/6022 ,  G06K2215/0094

摘要： In image recording by discharging plural inks of different characteristics onto a recording medium, recording pixels to be recorded by at least one of the inks of either yellow, magenta or cyan color subjected to pixel expansion are expanded in four direction, then a logic product is calculated between the expanded pixels and the pixels to be recorded with an ink which is black not subjected to pixel expansion, and the recording pixels to be recorded by the ink which is black not subjected to pixel expansion are replaced by the pixels formed by the inks (Y, M, C) subjected to pixel expansion. Thus high-quality image recording is made possible even in case the inks of different properties are brought into mutual contact.

摘要翻译： 在通过将不同特性的多种油墨喷射到记录介质上的图像记录中，经由像素扩展的黄色，品红色或青色中的至少一种油墨记录的记录像素在四个方向上扩展，然后逻辑积为 在未被进行像素扩展的黑色的墨水之间计算扩展像素和要记录的像素之间计算的记录像素，并且由不进行像素扩展的黑色的墨水记录的记录像素被由墨水形成的像素代替 （Y，M，C）进行像素扩展。 因此，即使在不同性质的油墨相互接触的情况下也可以进行高质量的图像记录。

公开(公告)号：US5748207A

公开(公告)日：1998-05-05

申请号：US143122

申请日：1993-10-29

申请人： Toshiharu Inui ,  Naoji Otsuka ,  Mamoru Sakaki ,  Jiro Moriyama ,  Nobuyuki Kuwabara ,  Isao Ebisawa ,  Hiroshi Tajika ,  Atsushi Arai ,  Hisao Yaegashi ,  Kentaro Yano ,  Kiichiro Takahashi ,  Osamu Iwasaki ,  Daigoro Kanematsu

发明人： Toshiharu Inui ,  Naoji Otsuka ,  Mamoru Sakaki ,  Jiro Moriyama ,  Nobuyuki Kuwabara ,  Isao Ebisawa ,  Hiroshi Tajika ,  Atsushi Arai ,  Hisao Yaegashi ,  Kentaro Yano ,  Kiichiro Takahashi ,  Osamu Iwasaki ,  Daigoro Kanematsu

IPC分类号： B41J2/21 ,  B41J19/14 ,  B41M5/00 ,  B41J2/145 ,  B41J2/15

CPC分类号： B41J19/142 ,  B41J2/2132

摘要： A recording head having an ejection portion group for ejecting a black ink, and ejection portion groups for ejecting color inks is used. When a black image to be printed by the black ink is present adjacent to a color image to be printed by the color ink, a black image portion adjacent to the color image and a black image portion which is not adjacent to the color image are formed in different scans, thereby obtaining a high-quality image from which ink blurring at a boundary portion between the black and color images is eliminated.

摘要翻译： 使用具有用于喷射黑色墨水的喷射部分组的记录头和用于喷射彩色墨水的喷射部分组。 当要由黑色墨水打印的黑色图像与彩色墨水要打印的彩色图像相邻时，形成与彩色图像相邻的黑色图像部分和与彩色图像不相邻的黑色图像部分 在不同的扫描中，从而获得高质量的图像，从而消除了在黑色和彩色图像之间的边界部分处的墨水模糊。

公开(公告)号：US07515318B2

公开(公告)日：2009-04-07

申请号：US10837672

申请日：2004-05-04

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： G06F15/00 ,  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：US06390586B1

公开(公告)日：2002-05-21

申请号：US08847741

申请日：1997-04-22

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

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

IPC分类号： B41J29393

CPC分类号： G06K15/102 ,  B41J2/2132 ,  B41J19/142 ,  G06K2215/0094

摘要： The present invention achieves formation of a 2n-value image with data of n bits, thereby reducing the amount of image information to be transferred and processed, while improving the tonal rendition, and thereby realizing a high-quality recording system for dot matrix recording suitable for personal use. For this purpose there is disclosed an ink jet recording apparatus and a method therefor, comprising an image process unit for generating multi-value information, an identification unit for identifying that the image data are multi-value information, an identification unit for the recording head, and an analysis unit for decoding the n-bit information, and featured by effecting multi-value recording while processing the n-bit data as multi-value information.

摘要翻译： 本发明通过n位数据形成具有2n值图像的2n值图像，从而减少了要传送和处理的图像信息量，同时改善了音调再现，从而实现了适用于点阵记录的高品质记录系统 供个人使用。 为此，公开了一种喷墨记录装置及其方法，包括用于产生多值信息的图像处理单元，用于识别图像数据是多值信息的识别单元，用于记录头的识别单元 以及用于对n位信息进行解码的分析单元，其特征在于在将n位数据作为多值信息处理时进行多值记录。

公开(公告)号：US08016386B2

公开(公告)日：2011-09-13

申请号：US12580738

申请日：2009-10-16

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， 黄色的墨水。 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：US06764154B2

公开(公告)日：2004-07-20

申请号：US10062449

申请日：2002-02-05

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

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

IPC分类号： B41J2938

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

摘要： An ink-jet printing apparatus and an ink-jet printing method allow the printing of an image with high quality without causing a change in ink color formed on the printing medium while keeping the printing conditions constant regardless of changing of the number of nozzles to be printed and the amount of transferring of the printing medium. This printing is performed, for example, by restricting use of the number of nozzles, which belong to a nozzle row located on an upstream side in the sub-scan direction, before changing the amount of transferring of the printing medium; and restricting use of the number of nozzles, which belong to the nozzle rows located on a downstream side in the sub-scan direction, after changing the amount of transferring of the printing medium.

摘要翻译： 喷墨打印设备和喷墨打印方法允许高质量的图像打印，而不会导致打印介质上形成的油墨颜色的变化，同时保持打印条件恒定，而与喷嘴数量的变化无关 打印和打印介质的传送量。 例如，在改变打印介质的传送量之前，例如通过限制使用属于位于副扫描方向上游侧的喷嘴列的喷嘴数量来进行打印; 并且在改变打印介质的传送量之后，限制属于位于副扫描方向下游侧的喷嘴列的喷嘴数量。

公开(公告)号：US06755506B2

公开(公告)日：2004-06-29

申请号：US10395175

申请日：2003-03-25

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

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

IPC分类号： B41J2145

CPC分类号： B41J2/15 ,  B41J2/2103

摘要： In an ink jet print head used in a serial type ink jet printing apparatus according the present invention, a portion of the nozzle column is given a wider nozzle-to-nozzle interval than those of other portions of the nozzle column so that the width in the line feed direction of each image area printed in a single printing scan by the ink jet print head is longer than a distance that a print medium is moved by one line feed. In this serial print head, the width of each image area printed by a single printing scan can be made a predetermined amount longer than the line feed distance at all times. As a result, the adjoining image areas printed by separate printing scans overlap each other at their boundary portions by a predetermined amount.

摘要翻译： 在根据本发明的串联型喷墨打印设备中使用的喷墨打印头中，喷嘴列的一部分比喷嘴列的其它部分的喷嘴间距更宽， 通过喷墨打印头在单次打印扫描中打印的每个图像区域的换行方向比打印介质通过一个换行移动的距离长。 在该串行打印头中，通过单次打印扫描打印的每个图像区域的宽度可以总是比线进给距离长的预定量。 结果，通过单独打印扫描打印的相邻图像区域在其边界部分处彼此重叠预定量。