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    • 2. 发明授权
    • Liquid ejecting apparatus and image forming method
    • 液体喷射装置和成像方法
    • US08083320B2
    • 2011-12-27
    • US12284300
    • 2008-09-18
    • Masahiko YoshidaTakeshi YoshidaMichiaki TokunagaTatsuya Nakano
    • Masahiko YoshidaTakeshi YoshidaMichiaki TokunagaTatsuya Nakano
    • B41J29/38B41J2/155
    • B41J2/515B41J2/155B41J25/001
    • Liquid ejecting apparatuses and image formed methods are provided. In an exemplary embodiment, a liquid ejecting apparatus is provided including a head unit, a movement mechanism, and a control section. The head unit has along a first direction a plurality of heads, in which a plurality of nozzles that eject a liquid onto a medium are lined up in the first direction, and the head unit forms a single raster line by ejecting the liquid while performing m number of movements relative to the medium in a second direction, which intersects the first direction. The movement mechanism causes the head unit to perform a plurality of movements relative to the medium alternately in the second direction and the first direction. The control section forms an image having a resolution that is n times a pitch of the nozzles.
    • 提供液体喷射装置和图像形成方法。 在一个示例性实施例中,提供一种包括头单元,移动机构和控制部分的液体喷射装置。 头单元沿着第一方向具有多个头,其中将喷射液体的多个喷嘴沿第一方向排列,并且头单元通过在执行m时喷射液体而形成单个光栅线 与第一方向相交的第二方向相对于介质的移动次数。 移动机构使得头单元在第二方向和第一方向上相对于介质交替地执行多个运动。 控制部分形成分辨率为喷嘴间距的n倍的图像。
    • 3. 发明授权
    • Method of calculating correction value, method of ejecting liquid, and liquid ejecting apparatus
    • 计算校正值的方法,喷射液体的方法和液体喷射装置
    • US07950768B2
    • 2011-05-31
    • US12454188
    • 2009-05-12
    • Takeshi YoshidaMasahiko YoshidaMichiaki TokunagaTatsuya Nakano
    • Takeshi YoshidaMasahiko YoshidaMichiaki TokunagaTatsuya Nakano
    • B41J29/393
    • B41J29/393B41J2/2135B41J2/2142B41J2/2146B41J3/543
    • A method of calculating a correction value includes: forming a test pattern by ejecting a liquid by a liquid ejecting apparatus, which has a first nozzle row in which a plurality of nozzles ejecting the liquid to a medium are arranged in a predetermined direction and a second nozzle row in which a plurality of nozzles ejecting the liquid to the medium are arranged in the predetermined direction, the second nozzle row being disposed so that an end portion on one side thereof in the predetermined direction overlaps with an end portion on the other side of the first nozzle row in the predetermined direction, to an area of the medium corresponding to certain pixel data on the basis of the certain pixel data from first nozzles belonging to the end portion on the other side of the first nozzle row and second nozzles belonging to the end portion on the one side of the second nozzle row; acquiring a read-out gray scale value by allowing a scanner to read-out the test pattern; and calculating a correction value used to correct the pixel data corresponding to the area to which the liquid is ejected from the first and the second nozzles on the basis of the read-out gray scale value.
    • 计算校正值的方法包括:通过液体喷射装置喷射液体来形成测试图案,所述液体喷射装置具有第一喷嘴列,其中将多个喷嘴喷射到介质上的喷嘴沿预定方向布置,并且第二喷嘴 喷嘴列,其中将多个喷嘴喷射到介质的喷嘴沿预定方向布置,第二喷嘴列设置成使得其一侧的预定方向上的端部与另一侧的端部重叠, 基于来自属于第一喷嘴列的另一侧的端部的第一喷嘴的某些像素数据和属于第一喷嘴列的另一侧的第二喷嘴的与特定像素数据相对应的介质的区域的第一喷嘴行 第二喷嘴列的一侧的端部; 通过允许扫描仪读出测试图案来获取读出的灰度值; 并且基于读出的灰度值,计算用于校正与从第一和第二喷嘴排出液体的区域相对应的像素数据的校正值。
    • 5. 发明申请
    • Concentration correcting method
    • 浓度校正方法
    • US20090237689A1
    • 2009-09-24
    • US12383415
    • 2009-03-24
    • Michiaki TokunagaMasahiko YoshidaTatsuya NakanoTakeshi Yoshida
    • Michiaki TokunagaMasahiko YoshidaTatsuya NakanoTakeshi Yoshida
    • H04N1/60
    • H04N1/4015
    • A concentration correcting method includes: forming N test patterns at different positions in a moving direction by repeatedly performing a dot line forming process of forming a dot line in a line region on a test medium in which a plurality of unit areas is arranged in the moving direction by ejecting liquid from nozzles direction and a transport process of transporting the test medium in a transport direction; performing on the N test patterns a process of calculating a concentration correction value, which is used to correct concentrations of the unit areas in a print image; and correcting the concentrations of the unit areas in the print image by the use of interpolated correction values obtained using a linear interpolation method, two concentration correcting values acquired from the two test patterns, and positions of the unit areas in the moving direction.
    • 浓度校正方法包括:通过重复进行在移动中布置多个单位区域的测试介质上的线区域中形成点线的点线形成处理,在移动方向上在不同位置形成N个测试图案 通过从喷嘴方向喷射液体的方向和沿运送方向运送测试介质的传送过程; 在N个测试图案上执行计算浓度校正值的处理,该浓度校正值用于校正打印图像中的单位面积的浓度; 以及通过使用使用线性内插法获得的内插校正值,从两个测试图案获取的两个浓度校正值和移动方向上的单位区域的位置来校正打印图像中的单位面积的浓度。
    • 8. 发明申请
    • FLUID EJECTING APPARATUS AND METHOD OF CORRECTING PIXEL DATA
    • 流体喷射装置和校正像素数据的方法
    • US20100245441A1
    • 2010-09-30
    • US12732094
    • 2010-03-25
    • Michiaki TokunagaMasahiko YoshidaTakeshi YoshidaTatsuya Nakano
    • Michiaki TokunagaMasahiko YoshidaTakeshi YoshidaTatsuya Nakano
    • B41J29/393G06K15/10
    • B41J29/393G06K15/102H04N1/40087H04N1/4015
    • A fluid ejecting apparatus and a method for correcting pixel data are disclosed. The fluid ejecting apparatus includes a nozzle line having nozzles which eject fluid onto a medium and are lined up in a predetermined direction; a moving mechanism relatively moving the nozzle line and the medium in a direction intersecting the predetermined direction; and a control unit that ejects the fluid from the nozzle line while relatively moving the nozzle line and the medium in the intersecting direction by using the moving mechanism, based on pixel data of the predetermined number of gradations according to certain kinds of dots which can be formed by the fluid ejected from the nozzles, the control unit correcting the pixel data of the predetermined number of gradations in accordance with the correction value set for every image line data which is the plurality of pixel data lined up in a direction corresponding to the intersecting direction in the pixel data.
    • 公开了一种用于校正像素数据的流体喷射装置和方法。 流体喷射装置包括具有将流体喷射到介质上并沿预定方向排列的喷嘴的喷嘴管线; 移动机构,沿与所述规定方向相交的方向相对地移动所述喷嘴线和所述介质; 以及控制单元,其基于通过使用所述移动机构相对于所述喷嘴线和所述介质在交叉方向上移动的喷嘴线,基于可以根据某些种类的点的预定数量的灰度的像素数据来喷射所述流体 由喷嘴喷射的液体形成,控制单元根据对于与相交的方向对应的方向排列的多个像素数据的每个图像线数据设定的校正值来校正预定数量的灰度的像素数据 方向的像素数据。
    • 9. 发明申请
    • Liquid ejecting apparatus and image forming method
    • 液体喷射装置和成像方法
    • US20090115805A1
    • 2009-05-07
    • US12284300
    • 2008-09-18
    • Masahiko YoshidaTakeshi YoshidaMichiaki TokunagaTatsuya Nakano
    • Masahiko YoshidaTakeshi YoshidaMichiaki TokunagaTatsuya Nakano
    • B41J29/38
    • B41J2/515B41J2/155B41J25/001
    • A liquid ejecting apparatus includes a head unit, a movement mechanism, and a control section. The head unit has along a first direction a plurality of heads, in which a plurality of nozzles that eject a liquid onto a medium are lined up in the first direction, and the head unit forms a single raster line by ejecting the liquid while performing m number of movements relative to the medium in a second direction, which intersects the first direction. A width of the head unit in the first direction is greater than a width of the medium in the first direction. The movement mechanism causes the head unit to perform a plurality of movements relative to the medium alternately in the second direction and the first direction. The control section forms an image having a resolution that is n times a pitch of the nozzles, by forming a plurality of the raster lines by the plurality of relative movements of the head unit. Further, the control section sets a total movement amount of the head unit in the first direction when the head unit performs the plurality of relative movements, larger than an effective nozzle width of one of the heads in the first direction multiplied by (m×n−1), and smaller than the effective nozzle width×(m×n). Furthermore, the control section forms the image by setting respective movement amounts of the head unit in the first direction when the head unit performs the plurality of relative movements, larger than the effective nozzle width.
    • 液体喷射装置包括头单元,移动机构和控制部。 头单元沿着第一方向具有多个头,其中将喷射液体的多个喷嘴沿第一方向排列,并且头单元通过在执行m时喷射液体而形成单个光栅线 与第一方向相交的第二方向相对于介质的移动次数。 头单元在第一方向上的宽度大于介质在第一方向上的宽度。 移动机构使得头单元在第二方向和第一方向上相对于介质交替地执行多个运动。 控制部分通过头部单元的多个相对运动形成多个光栅线,形成分辨率为喷嘴间距的n倍的图像。 此外,当头单元执行多个相对运动时,控制部设置头部单元在第一方向上的总移动量,大于第一方向上的一个头的有效喷嘴宽度乘以(m×n-1 ),并且小于有效喷嘴宽度x(m×n)。 此外,当头单元执行大于有效喷嘴宽度的多个相对运动时,控制部分通过设置头单元在第一方向上的相应运动量来形成图像。
    • 10. 发明申请
    • Method of calculating correction value, method of ejecting liquid, and liquid ejecting apparatus
    • 计算校正值的方法,喷射液体的方法和液体喷射装置
    • US20090278882A1
    • 2009-11-12
    • US12454188
    • 2009-05-12
    • Takeshi YoshidaMasahiko YoshidaMichiaki TokunagaTatsuya Nakano
    • Takeshi YoshidaMasahiko YoshidaMichiaki TokunagaTatsuya Nakano
    • B41J29/393
    • B41J29/393B41J2/2135B41J2/2142B41J2/2146B41J3/543
    • A method of calculating a correction value includes: forming a test pattern by ejecting a liquid by a liquid ejecting apparatus, which has a first nozzle row in which a plurality of nozzles ejecting the liquid to a medium are arranged in a predetermined direction and a second nozzle row in which a plurality of nozzles ejecting the liquid to the medium are arranged in the predetermined direction, the second nozzle row being disposed so that an end portion on one side thereof in the predetermined direction overlaps with an end portion on the other side of the first nozzle row in the predetermined direction, to an area of the medium corresponding to certain pixel data on the basis of the certain pixel data from first nozzles belonging to the end portion on the other side of the first nozzle row and second nozzles belonging to the end portion on the one side of the second nozzle row; acquiring a read-out gray scale value by allowing a scanner to read-out the test pattern; and calculating a correction value used to correct the pixel data corresponding to the area to which the liquid is ejected from the first and the second nozzles on the basis of the read-out gray scale value.
    • 计算校正值的方法包括:通过液体喷射装置喷射液体来形成测试图案,所述液体喷射装置具有第一喷嘴列,其中将多个喷嘴喷射到介质上的喷嘴沿预定方向布置,并且第二喷嘴 喷嘴列,其中将多个喷嘴喷射到介质的喷嘴沿预定方向布置,第二喷嘴列设置成使得其一侧的预定方向上的端部与另一侧的端部重叠, 基于来自属于第一喷嘴列的另一侧的端部的第一喷嘴的某些像素数据和属于第一喷嘴列的另一侧的第二喷嘴的与特定像素数据相对应的介质的区域的第一喷嘴行 第二喷嘴列的一侧的端部; 通过允许扫描仪读出测试图案来获取读出的灰度值; 并且基于读出的灰度值,计算用于校正与从第一和第二喷嘴排出液体的区域相对应的像素数据的校正值。