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51. 发明授权

US06373593B1 Printer which accommodates carriage speed non-uniformities 失效
标题翻译：适合车速非均匀性的打印机
公开(公告)号：US06373593B1
公开(公告)日：2002-04-16
申请号：US09071110
申请日：1998-05-04
申请人： Akitoshi Yamada , Hiromitsu Hirabayashi , Akihiko Sukigara
发明人： Akitoshi Yamada , Hiromitsu Hirabayashi , Akihiko Sukigara
IPC分类号： G06F1500
CPC分类号： B41J19/202
摘要： Printing which accommodates carriage speed non-uniformities by allowing both forward and reverse printing despite the presence of ringing and other overshoot anomalies in carriage printing speed. A determination is made as to whether print data for a current scan and a prior scan overlap in either of two critical zones at lateral extents of the recording medium, where carriage speed ringing and overshoot non-uniformities are most prevalent. If print data for a current scan and a prior scan overlap in either of the two critical zones, the current scan is printed in the same direction as that of the prior scan. On the other hand, if print data for the current scan and the prior scan do not overlap in either of the two critical zones, then printing of the current scan is effected in a direction opposite to that of the prior scan.
摘要翻译：通过允许正面和反向打印，即使存在振铃和其他印刷速度的其他过冲异常，也可以适应车速非均匀性的打印。确定当前扫描和先前扫描的打印数据是否在记录介质的横向范围内的两个临界区域中的哪一个重叠，其中运送速度振铃和过冲非均匀性最普遍。如果当前扫描和先前扫描的打印数据在两个关键区域中的任一个区域重叠，则当前扫描方向与先前扫描方向相同。另一方面，如果当前扫描和先前扫描的打印数据在两个临界区域中的任何一个中不重叠，则以与先前扫描相反的方向进行当前扫描的打印。

52. 发明授权

US06364452B1 Color printing using multiple inks 有权
标题翻译：使用多种油墨进行彩色打印
公开(公告)号：US06364452B1
公开(公告)日：2002-04-02
申请号：US09291159
申请日：1999-04-14
申请人： Steven Noyes , Akitoshi Yamada , Hiromitsu Hirabayashi
发明人： Steven Noyes , Akitoshi Yamada , Hiromitsu Hirabayashi
IPC分类号： B41S221
CPC分类号： B41J2/15 , B41J2/2107
摘要： A system to produce print data corresponding to a multi-level value of a pixel includes a first determining step to determine a first amount of low-penetration black ink corresponding to the multi-level value, a second determining step to determine a second amount of high-penetration black ink corresponding to the multi-level value and a printing step to print the pixel using the first amount of low-penetration black ink corresponding to the multi-level value and the second amount of high-penetration black ink corresponding to the multi-level value.
摘要翻译：用于产生与像素的多值相对应的打印数据的系统包括：第一确定步骤，用于确定对应于多级值的第一量的低穿透黑色墨;第二确定步骤，用于确定第二量的对应于多电平值的高穿透性黑色墨水和印刷步骤，使用对应于多级电平值的第一量的低穿透性黑色墨水和与第二量的高渗透性黑色墨水相对应地印刷像素多层次价值。

53. 发明授权

US06172768B2 Halftoning with changeable error diffusion weights 失效
标题翻译：具有可变误差扩散权重的半色调
公开(公告)号：US06172768B2
公开(公告)日：2001-01-09
申请号：US09019310
申请日：1998-02-05
申请人： Akitoshi Yamada , Hiromitsu Hirabayashi
发明人： Akitoshi Yamada , Hiromitsu Hirabayashi
IPC分类号： B41B1500
CPC分类号： H04N1/4053
摘要： Error diffusion halftoning in which error diffusion coefficients and/or thresholds vary, and preferably vary based on output error or on image source data plus accumulated error. Varying error diffusion coefficients and/or thresholds is observed to reduce printed artifacts. Preferably, a look-up table is provided, which may be based on output error or based on image source data plus accumulated error, and which directly provides error values for diffusion by adding to adjacent pixels, and which further may provide printer output data.
摘要翻译：错误扩散半色调，其中误差扩散系数和/或阈值变化，并且优选地基于输出误差或图像源数据加累积误差而变化。观察到不同的误差扩散系数和/或阈值以减少印刷伪影。优选地，提供查找表，其可以基于输出错误或基于图像源数据加累积误差，并且其通过添加到相邻像素直接提供用于扩散的误差值，并且还可以提供打印机输出数据。

54. 发明授权

US6050674A Multi-head printer with wide printing mode 失效
标题翻译：多头打印机具有宽打印模式
公开(公告)号：US6050674A
公开(公告)日：2000-04-18
申请号：US901139
申请日：1997-07-28
申请人： Hiromitsu Hirabayashi , Akitoshi Yamada
发明人： Hiromitsu Hirabayashi , Akitoshi Yamada
IPC分类号： B41J3/54 , B41J29/38
CPC分类号： B41J3/54
摘要： A multi-head printer, and a driver therefor, in which the multi-head printer has at least a wide width print mode and a standard width print mode. At least first and second print heads are mounted for lateral reciprocal movement across a support surface for a recording medium, with the first and second print heads being laterally displaced with respect to each other such that both the first and second print heads can print a first lateral print area and such that only the second print head can print a portion of a second and larger lateral print area. In the standard width printing mode, fully or partially overlapped printing in the first lateral print area can be effected by both of the first and second print heads. In the wide width print mode, printing by only the second print head is effected, and not by the first print head. An additional wide print mode may be provided for partially overlapped printing by the first and second print heads, with the second print head printing primarily in the second lateral print area. Based on print head configuration, such as the type and color capability of print heads mounted in the first and second print heads, available print modes are determined, from which one of the available print modes is selected for effecting printout by the printer.
摘要翻译：一种多头打印机及其驱动器，其中多头打印机至少具有宽幅打印模式和标准宽度打印模式。至少第一和第二打印头被安装用于跨越用于记录介质的支撑表面的横向往复运动，其中第一和第二打印头相对于彼此横向移位，使得第一和第二打印头都可以打印第一横向打印区域，并且使得仅第二打印头可以打印第二和更大横向打印区域的一部分。在标准宽度打印模式中，第一横向打印区域中的全部或部分重叠打印可以由第一和第二打印头两者实现。在宽幅打印模式中，仅通过第二打印头进行打印，而不是由第一打印头进行打印。可以提供另外的宽打印模式用于第一和第二打印头的部分重叠打印，其中第二打印头主要在第二横向打印区域中打印。基于打印头配置，例如安装在第一和第二打印头中的打印头的类型和颜色能力，确定可用的打印模式，从中选择可用的打印模式之一以由打印机进行打印输出。

55. 发明授权

US6025928A Shuttle type recording apparatus 失效
标题翻译：穿梭式记录装置
公开(公告)号：US6025928A
公开(公告)日：2000-02-15
申请号：US901836
申请日：1997-07-28
申请人： Makoto Takemura , Shinji Kanemitsu , Hiromitsu Hirabayashi , Yuji Akiyama , Miyuki Fujita , Akitoshi Yamada
发明人： Makoto Takemura , Shinji Kanemitsu , Hiromitsu Hirabayashi , Yuji Akiyama , Miyuki Fujita , Akitoshi Yamada
IPC分类号： B41J2/01 , B41J2/18 , B41J2/185 , B41J2/485 , B41J2/51 , B41J3/54 , B41J19/18 , G06F15/00 , H04N1/00
CPC分类号： B41J3/54
摘要： In a recording apparatus for recording on a recording medium by using a plurality of recording heads arranged at a predetermined interval in a scan direction, the recording heads are caused to scan corresponding divided recording areas. When the recording heads are caused to scan the corresponding divided recording areas, at least one of the recording heads is caused to record in a plurality of different recording areas. Positions of a recording medium are defined at a plurality of reference positions provided for the recording areas in which the recording is made.
摘要翻译：在通过使用以扫描方向以预定间隔布置的多个记录头在记录介质上进行记录的记录装置中，使记录头扫描相应的分割记录区域。当使记录头扫描相应的划分的记录区域时，至少一个记录头被记录在多个不同的记录区域中。在为进行记录的记录区域提供的多个参考位置定义记录介质的位置。

56. 发明授权

US07859723B2 Image processing to perform error diffusion with dots formed based color component values and their sum relative to a threshold 有权
标题翻译：图像处理，以基于颜色分量值形成的点进行误差扩散及其相对于阈值的和
公开(公告)号：US07859723B2
公开(公告)日：2010-12-28
申请号：US12431624
申请日：2009-04-28
申请人： Akitoshi Yamada , Hiromitsu Hirabayashi , Masao Kato
发明人： Akitoshi Yamada , Hiromitsu Hirabayashi , Masao Kato
IPC分类号： H04N1/52
CPC分类号： H04N1/52
摘要： Image processing apparatus and image processing method for formation of high quality image by high-speed error diffusion processing by execution of more complicated threshold condition processing in a simple manner. When error diffusion processing is performed on multivalued image data having plural density components and the result of processing is outputted, upon execution of error diffusion processing on a first density component among the plural density components, a threshold value used in the error diffusion processing is determined based on a density value of a second density component, then the error diffusion processing is performed on the first density component based on the determined threshold value, and the result of execution of the error diffusion processing is outputted. Further, upon execution of the error diffusion processing on the second density component among the plural density components, a threshold value used in the error diffusion processing is determined based on a density value of the first density component, then the error diffusion processing is performed on the second density component based on the determined threshold value, and the result of the error diffusion processing is outputted.
摘要翻译：通过以简单的方式执行更复杂的阈值条件处理，通过高速误差扩散处理形成高质量图像的图像处理装置和图像处理方法。当对具有多个浓度分量的多值图像数据执行误差扩散处理并且输出处理结果时，在对多个浓度分量中的第一密度分量执行误差扩散处理时，确定在误差扩散处理中使用的阈值基于第二密度分量的密度值，然后基于所确定的阈值对第一密度分量执行误差扩散处理，并且输出误差扩散处理的执行结果。此外，在对多个密度分量中的第二密度分量执行误差扩散处理之后，基于第一密度分量的密度值来确定误差扩散处理中使用的阈值，然后进行误差扩散处理输出基于所确定的阈值的第二密度分量和误差扩散处理的结果。

57. 发明授权

US07548346B2 Image processing apparatus and method for performing error diffusion based on density values of different color components 有权
标题翻译：基于不同颜色分量的密度值进行误差扩散的图像处理装置和方法
公开(公告)号：US07548346B2
公开(公告)日：2009-06-16
申请号：US11370982
申请日：2006-03-09
申请人： Akitoshi Yamada , Hiromitsu Hirabayashi , Masao Kato
发明人： Akitoshi Yamada , Hiromitsu Hirabayashi , Masao Kato
IPC分类号： H04N1/405 , H04N1/52
CPC分类号： H04N1/52
摘要： Image processing apparatus and image processing method for formation of high quality image by high-speed error diffusion processing by execution of more complicated threshold condition processing in a simple manner. When error diffusion processing is performed on multivalued image data having plural density components and the result of processing is outputted, upon execution of error diffusion processing on a first density component among the plural density components, a threshold value used in the error diffusion processing is determined based on a density value of a second density component, then the error diffusion processing is performed on the first density component based on the determined threshold value, and the result of execution of the error diffusion processing is outputted. Further, upon execution of the error diffusion processing on the second density component among the plural density components, a threshold value used in the error diffusion processing is determined based on a density value of the first density component, then the error diffusion processing is performed on the second density component based on the determined threshold value, and the result of the error diffusion processing is outputted.
摘要翻译：通过以简单的方式执行更复杂的阈值条件处理，通过高速误差扩散处理形成高质量图像的图像处理装置和图像处理方法。当对具有多个浓度分量的多值图像数据执行误差扩散处理并且输出处理结果时，在对多个浓度分量中的第一密度分量执行误差扩散处理时，确定在误差扩散处理中使用的阈值基于第二密度分量的密度值，然后基于所确定的阈值对第一密度分量执行误差扩散处理，并且输出误差扩散处理的执行结果。此外，在对多个密度分量中的第二密度分量执行误差扩散处理之后，基于第一密度分量的密度值来确定误差扩散处理中使用的阈值，然后进行误差扩散处理输出基于所确定的阈值的第二密度分量和误差扩散处理的结果。

58. 发明授权

US07099046B2 Image processing apparatus and image processing method 失效
公开(公告)号：US07099046B2
公开(公告)日：2006-08-29
申请号：US09993641
申请日：2001-11-27
申请人： Akitoshi Yamada , Hiromitsu Hirabayashi , Masao Kato
发明人： Akitoshi Yamada , Hiromitsu Hirabayashi , Masao Kato
IPC分类号： H04N1/405 , H04N1/52
CPC分类号： H04N1/52
摘要： Image processing apparatus and image processing method for formation of high quality image by high-speed error diffusion processing by execution of more complicated threshold condition processing in a simple manner. When error diffusion processing is performed on multivalued image data having plural density components and the result of processing is outputted, upon execution of error diffusion processing on a first density component among the plural density components, a threshold value used in the error diffusion processing is determined based on a density value of a second density component, then the error diffusion processing is performed on the first density component based on the determined threshold value, and the result of execution of the error diffusion processing is outputted. Further, upon execution of the error diffusion processing on the second density component among the plural density components, a threshold value used in the error diffusion processing is determined based on a density value of the first density component, then the error diffusion processing is performed on the second density component based on the determined threshold value, and the result of the error diffusion processing is outputted.

59. 发明申请

US20060164690A1 Image processing apparatus and image processing method 有权
公开(公告)号：US20060164690A1
公开(公告)日：2006-07-27
申请号：US11370982
申请日：2006-03-09
申请人： Akitoshi Yamada , Hiromitsu Hirabayashi , Masao Kato
发明人： Akitoshi Yamada , Hiromitsu Hirabayashi , Masao Kato
IPC分类号： H04N1/40
CPC分类号： H04N1/52
摘要： Image processing apparatus and image processing method for formation of high quality image by high-speed error diffusion processing by execution of more complicated threshold condition processing in a simple manner. When error diffusion processing is performed on multivalued image data having plural density components and the result of processing is outputted, upon execution of error diffusion processing on a first density component among the plural density components, a threshold value used in the error diffusion processing is determined based on a density value of a second density component, then the error diffusion processing is performed on the first density component based on the determined threshold value, and the result of execution of the error diffusion processing is outputted. Further, upon execution of the error diffusion processing on the second density component among the plural density components, a threshold value used in the error diffusion processing is determined based on a density value of the first density component, then the error diffusion processing is performed on the second density component based on the determined threshold value, and the result of the error diffusion processing is outputted.

60. 发明授权

US06824239B1 Printer with fast line-feed speed 失效
标题翻译：打印机具有快速的进给速度
公开(公告)号：US06824239B1
公开(公告)日：2004-11-30
申请号：US09661034
申请日：2000-09-13
申请人： Tadashi Hanabusa , Akitoshi Yamada , Hiromitsu Hirabayashi
发明人： Tadashi Hanabusa , Akitoshi Yamada , Hiromitsu Hirabayashi
IPC分类号： B41J2205
CPC分类号： B41J2/5056 , B41J11/42 , G06K15/105
摘要： A printer that prints an image having a resolution higher than a resolution of nozzles on a print head on a recording medium by scanning the print head across a region of the recording medium a plural-number of times, said print head having nozzles spaced at a nozzle pitch which is a reciprocal number of the resolution of the nozzles and adapted to eject ink from the nozzles on the basis of print data. The printer has a line feeding motor that is actuated in a unit of a pulse, and a line feeding device, driven by the line feeding motor actuated in the unit of the pulse, for feeding the recording medium in a unit of a predetermined feeding length fed by an actuating pulse, the predetermined feeding length being (m/k×nozzle pitch), where k is the resolution of the printed image/the resolution of the nozzles, m and k are integers, and m is greater than k but indivisible by k. A controller controls the line feeding motor to actuate in the unit of the pulse and control a number of the nozzles utilized for printing the image when printing an image on the recording medium by scanning the print head across the recording medium a plural-number of times.
摘要翻译：一种打印机，其通过在记录介质的多个区域上扫描打印头而将分辨率高于打印头上的喷嘴的分辨率的图像打印在记录介质上，所述打印头具有间隔开的喷嘴喷嘴间距，其是喷嘴的分辨率的倒数，并且适于基于打印数据从喷嘴喷射墨。打印机具有以脉冲为单位被驱动的送线电动机和由以脉冲为单位驱动的线路馈送电机驱动的线馈送装置，用于以预定馈送长度的单位馈送记录介质通过致动脉冲馈送，预定的馈送长度为（m / k×喷嘴间距），其中k是打印图像的分辨率/喷嘴的分辨率，m和k是整数，并且m大于k但不能被k 。控制器控制线路馈送电动机以脉冲为单位致动，并且通过在记录介质上扫描打印头多次来控制用于在记录介质上打印图像时打印图像的多个喷嘴。

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