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91. 发明授权

US06896356B1 Print apparatus and printing method for forming a color image by applying different color inks to a printing material using a recording head 有权
标题翻译：用于通过使用记录头将不同颜色的墨施加到打印材料来形成彩色图像的打印设备和打印方法
公开(公告)号：US06896356B1
公开(公告)日：2005-05-24
申请号：US09675005
申请日：2000-09-29
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： B41J5/30 , B41J2/01 , B41J2/21 , B41J19/14
CPC分类号： B41J19/147
摘要： A printing apparatus for forming a color image by applying different color inks to a printing material while bi-directionally moving the recording head to scan the cording material, the apparatus includes changing device for changing an order of applications of the inks to be applied for printing a secondary color to a secondary color pixel area; forming device for forming the secondary color while making the order of applications of the inks to at least one of a plurality of the secondary color pixel areas arranged along a raster scan direction different from the order of another, by the changing device.
摘要翻译：一种打印设备，用于通过在打印材料上双向移动来对打印材料应用不同颜色的油墨来形成彩色图像，该打印设备包括用于改变要应用于打印的油墨的应用顺序的改变装置次要颜色到次要颜色像素区域; 形成装置，用于形成次级颜色，同时通过改变装置将墨水的应用顺序沿着沿着另一个不同顺序的光栅扫描方向布置的多个次要彩色像素区域中的至少一个。

92. 发明申请

US20050030337A1 Bidirectional printing method and apparatus with reduced color unevenness 失效
公开(公告)号：US20050030337A1
公开(公告)日：2005-02-10
申请号：US10941827
申请日：2004-09-16
申请人： Naoji Otsuka , Hitoshi Nishikori , Osamu Iwasaki , Toshiyuki Chikuma
发明人： Naoji Otsuka , Hitoshi Nishikori , Osamu Iwasaki , Toshiyuki Chikuma
IPC分类号： B41J2/205 , B41J2/21 , B41J19/14 , B41J19/18
CPC分类号： B41J2/2132 , B41J2/2125 , B41J19/147
摘要： A printing apparatus, which forms a color image by applying different color inks to a printing material while bi-directionally moving the recording head to scan the recording material, includes a changing unit for changing an order of applications of the inks of different colors to be applied at least at one amount for printing a secondary color to a secondary color pixel area; and a forming unit for forming the secondary color while making the order of applications of the inks to at least one of a plurality of the secondary color pixel areas arranged along a predetermined direction different from the order of another, by the changing unit.

93. 发明申请

US20050018012A1 Ink jet printing apparatus 失效
标题翻译：喷墨打印设备
公开(公告)号：US20050018012A1
公开(公告)日：2005-01-27
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 , B41J19/14
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。

94. 发明授权

US06834936B2 Ink jet printing apparatus and ink jet printing method 失效
标题翻译：喷墨打印设备和喷墨打印方法
公开(公告)号：US06834936B2
公开(公告)日：2004-12-28
申请号：US10435465
申请日：2003-05-12
申请人： Minoru Teshigawara , Naoji Otsuka , Kiichiro Takahashi , Hitoshi Nishikori , Osamu Iwasaki
发明人： Minoru Teshigawara , Naoji Otsuka , Kiichiro Takahashi , Hitoshi Nishikori , Osamu Iwasaki
IPC分类号： B41J221
CPC分类号： B41J19/147
摘要： Two print heads combined for each ink color are arranged symmetric to each other with respect to the scan direction and are used for a bidirectional printing. In producing secondary colors, image data is spread-processed by using a “diagonal arrangement” spread pattern to differentiate the ink application order at one of dots arranged in the raster direction from those of the other dots and thereby reduce color variations in the scan direction. Further, when image data has a half-tone, a “horizontal arrangement” spread pattern, different from the previous one, is used to perform image processing on the image data to alleviate an undesired texture. To prevent a driving load from concentrating on only one of the paired print heads, the number of times that each nozzle is driven is counted and an adjustment is made to spread the frequency of use among the two paired print heads.
摘要翻译：对于每种墨水颜色组合的两个打印头相对于扫描方向彼此对称布置，并用于双向打印。在生成二次色时，通过使用“对角排列”展开图案来对图像数据进行扩展处理，以便在光栅方向上排列的一个点与其他点的点之间的墨水应用顺序区别开，从而减少扫描方向的颜色变化。此外，当图像数据具有半色调时，使用与前一个不同的“水平排列”扩展图案来对图像数据执行图像处理以减轻不期望的纹理。为了防止驱动负载仅集中在一个打印头中的一个上，对每个喷嘴的驱动次数进行计数，并且进行调整以扩展两个成对的打印头之间的使用频率。

95. 发明授权

US06789867B2 Ink jet printing apparatus and ink jet printing method 有权
标题翻译：喷墨打印设备和喷墨打印方法
公开(公告)号：US06789867B2
公开(公告)日：2004-09-14
申请号：US10062525
申请日：2002-02-05
申请人： Kiichiro Takahashi , Naoji Otsuka , Hitoshi Sugimoto , Hitoshi Nishikori , Osamu Iwasaki , Minoru Teshigawara , Takeshi Yazawa , Toshiyuki Chikuma
发明人： Kiichiro Takahashi , Naoji Otsuka , Hitoshi Sugimoto , Hitoshi Nishikori , Osamu Iwasaki , Minoru Teshigawara , Takeshi Yazawa , Toshiyuki Chikuma
IPC分类号： B41J2938
CPC分类号： G06K15/107 , B41J2/2132 , B41J19/142
摘要： The object of the present invention is to provide an ink jet printing apparatus which can realize both a high speed printing and a high quality printing without color deviations when each of the print areas is printed in a plurality of scans by a plurality of print heads ejecting different kinds of ink. For this purse, this invention has a controller for controlling for each print head independently widths and positions of active nozzle groups in the print heads, the active nozzle groups representing those of the plurality of nozzles in the print heads which are used for printing, wherein the controller controls the widths and positions of the active nozzle groups according to a set printing condition.
摘要翻译：本发明的目的是提供一种喷墨打印装置，其可以在通过多个打印头喷射的多个扫描中打印每个打印区域时能够实现高速打印和高质量打印而没有颜色偏差对于这种钱包，本发明具有控制器，用于独立地控制打印头中活动喷嘴组的宽度和位置，主动喷嘴组代表打印头中的多个喷嘴的活动喷嘴组用于打印，其中控制器根据设定的打印条件控制主动喷嘴组的宽度和位置。

96. 发明授权

US06637874B2 Liquid ejecting head, suction recovering method, head cartridge and image forming apparatus 有权
公开(公告)号：US06637874B2
公开(公告)日：2003-10-28
申请号：US10058750
申请日：2002-01-30
申请人： Takeshi Yazawa , Naoji Otsuka , Hitoshi Sugimoto , Kiichiro Takahashi , Hitoshi Nishikori , Osamu Iwasaki , Minoru Teshigawara , Toshiyuki Chikuma , Satoshi Seki
发明人： Takeshi Yazawa , Naoji Otsuka , Hitoshi Sugimoto , Kiichiro Takahashi , Hitoshi Nishikori , Osamu Iwasaki , Minoru Teshigawara , Toshiyuki Chikuma , Satoshi Seki
IPC分类号： B41J2175
CPC分类号： B41J2/16532 , B41J2/14145 , B41J2002/14475
摘要： A liquid ejection head according to the present invention includes a single liquid supplying port to which a liquid is supplied, a plurality of liquid supplying passages having one end in communication with the liquid supplying port, a plurality of common liquid chambers that are in communication with the other ends of the liquid supplying passages, respectively, and a plurality of ejection port groups which are in communication with the common liquid chambers via liquid channels and from which liquid droplets are ejected. A cross sectional area or length of the liquid supplying passage in communication with the ejection port group having a larger sum of opening areas of the ejection ports is set smaller than that of the liquid supplying passage that is in communication with the ejection port group having a smaller sum of opening areas of the ejection ports.

97. 发明授权

US06601938B1 Ink-jet print method and apparatus 失效
标题翻译：喷墨打印方法和装置
公开(公告)号：US06601938B1
公开(公告)日：2003-08-05
申请号：US09307765
申请日：1999-05-10
申请人： Osamu Iwasaki , Naoji Otsuka , Kentaro Yano , Kiichiro Takahashi , Hitoshi Nishikori , Daigoro Kanematsu , Hidehiko Kanda
发明人： Osamu Iwasaki , Naoji Otsuka , Kentaro Yano , Kiichiro Takahashi , Hitoshi Nishikori , Daigoro Kanematsu , Hidehiko Kanda
IPC分类号： B41J221
CPC分类号： G06K15/102 , G06K2215/0094
摘要： Print codes supplied from a host computer are received and analyzed to generate print data for the individual colors, and the generated print data are stored in print buffers corresponding to the colors. The print data corresponding to yellow ink with high lightness is expressed by binary data, and is printed by one dot per pixel by a single print scan. The print data corresponding to each of the remaining high-density (thick) inks is expressed by multi-valued data having a larger number of bits than the yellow data, and is printed by a plurality of print scans.
摘要翻译：接收并分析从主计算机提供的打印代码以生成各种颜色的打印数据，并且生成的打印数据被存储在与颜色对应的打印缓冲器中。对应于高亮度黄色墨水的打印数据由二进制数据表示，并通过单次打印扫描以每像素一个点打印。对应于每个剩余的高密度（厚）墨的打印数据由具有比黄色数据更大的位数的多值数据表示，并且通过多次打印扫描打印。

98. 发明授权

US06474767B1 Calibration method for an optical sensor, an adjustment method of dot printing positions using the calibration method, and a printing apparatus 有权
标题翻译：用于光学传感器的校准方法，使用校准方法的点印刷位置的调整方法以及打印装置
公开(公告)号：US06474767B1
公开(公告)日：2002-11-05
申请号：US09285844
申请日：1999-04-05
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： B41J2/04505 , B41J2/04533 , B41J2/04543 , B41J2/04553 , B41J2/04563 , B41J2/04566 , B41J2/0458 , B41J2/2135 , B41J19/145 , B41J29/393
摘要： In a complimentary printing by bi-directional scanning of a head or by a plurality of heads, a plurality of patterns in which a print start timing is shifted by a predetermined amount are printed with respect to a reference dot formed by the forward scan of the bi-directional scanning or by one of the plurality heads. In these patterns, an area factor by the dots formed by printing of the patterns is designed to be varied depending upon shifting amount. An average density is read from each of the plurality of patterns, optically. The timing at which the maximum one among average densities read from the patterns is obtained, can be set as the printing registration condition. Further, before the above reading operation, an optical sensor used for this operation is calibrated, for improving accuracies of the reading and the registrating. By these processings, printing registration between a forward and a reverse scan of a print head or printing registration between a plurality of print heads in a printing apparatus can be performed simply and with high accuracy.
摘要翻译：在通过头部或多个头部的双向扫描进行的免费打印中，打印开始定时偏移预定量的多个图案相对于由正面扫描形成的参考点被打印双向扫描或由多个头中的一个扫描。在这些图案中，通过由图案的印刷形成的点的面积因子被设计为根据移动量而变化。光学上从多个图案中的每一个读取平均密度。可以将从图案读取的平均密度中的最大值之一获得的定时设置为打印注册条件。此外，在上述读取操作之前，用于该操作的光学传感器被校准，以提高读取和注册的准确性。通过这些处理，可以简单且高精度地执行打印头的正向扫描和反向扫描之间的打印配准或打印设备中的多个打印头之间的打印配准。

99. 发明授权

US06416151B1 Printing apparatus performing print registration 有权
标题翻译：执行打印注册的打印设备
公开(公告)号：US06416151B1
公开(公告)日：2002-07-09
申请号：US09285791
申请日：1999-04-05
申请人： Naoji Otsuka , Kiichiro Takahashi , Hitoshi Nishikori , Osamu Iwasaki , Minoru Teshigawara , Toshiyuki Chikuma
发明人： Naoji Otsuka , Kiichiro Takahashi , Hitoshi Nishikori , Osamu Iwasaki , Minoru Teshigawara , Toshiyuki Chikuma
IPC分类号： B41J29393
CPC分类号： B41J2/2135 , G06K15/102 , G06K2215/0082 , G06K2215/0094
摘要： A first printing pattern is formed for a patch by means of a paper feed upstream side part of a black head. Then, a second printing pattern is formed for the patch by means of a cyan head in the following scans, and density of the patch is read by a reflection optical sensor in a scan after the completion of both patterns.
摘要翻译：通过黑色头部的上游侧部分的纸馈送来形成用于贴片的第一印刷图案。然后，在以下扫描中，通过青色头形成针对贴片的第二印刷图案，并且在完成两种图案之后，通过扫描中的反射光学传感器读取贴片的密度。

100. 发明授权

US06328403B1 Print method and apparatus 失效
标题翻译：打印方法和装置
公开(公告)号：US06328403B1
公开(公告)日：2001-12-11
申请号：US09307766
申请日：1999-05-10
申请人： Osamu Iwasaki , Naoji Ohtsuka , Kiichiro Takahashi , Hitoshi Nishikori
发明人： Osamu Iwasaki , Naoji Ohtsuka , Kiichiro Takahashi , Hitoshi Nishikori
IPC分类号： B41J2205
CPC分类号： G06K15/107 , G06K2215/0094
摘要： Multi-valued image data is separated into data in units of nozzle groups of the individual colors of a printhead, and each divided multi-valued image data is converted into n-valued image data consisting of a plurality of bits. Based on the n-valued image data of the corresponding colors, print codes are generated and are transmitted to a printer apparatus. The printer apparatus receives the print codes, stores them in print buffers of the corresponding colors, and generates print data based on the print codes using mask patterns set in correspondence with image data of the individual colors. The print timing in each scan of the printhead is determined in accordance with the significant bit position in the print data, and an image is printed on the basis of the print data by multi-pass printing.
摘要翻译：将多值图像数据以打印头的各种颜色的喷嘴组为单位分离成数据，并将每个分割的多值图像数据转换为由多个位组成的n值图像数据。基于相应颜色的n值图像数据，生成打印代码并将其发送到打印机装置。打印机装置接收打印代码，将它们存储在相应颜色的打印缓冲器中，并且使用根据各种颜色的图像数据设置的掩模图案，基于打印代码生成打印数据。根据打印数据中的有效位位置来确定打印头的每次扫描中的打印定时，并且通过多遍打印基于打印数据打印图像。

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