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    • 91. 发明授权
    • Image recording apparatus
    • 图像记录装置
    • US07192115B2
    • 2007-03-20
    • US10947238
    • 2004-09-23
    • Toshiya Kojima
    • Toshiya Kojima
    • B41J29/393
    • B41J2/16579B41J2/2146
    • The image recording apparatus which records an image to a recording medium with a full-line recording head in which a plurality of image-recording elements are arrayed across a length that corresponds to an entire width of the recording medium while at least one of the recording medium and the recording head is conveyed in a direction that is substantially orthogonal to a width direction of the recording medium, and the recording head and the recording medium are relatively moved, the image recording apparatus comprises: a defective pixel detecting device which detects defective pixels in the image recorded on the recording medium by the recording head; a recording medium conveying device which conveys the recording medium on which the defective pixels have been detected, to a position for re-recording the image with the recording head when the defective pixels have been detected in the image recorded on the recording medium; and a defective pixel position detecting device which detects positions of the defective pixels before re-recording the image with the recording head on the recording medium on which the defective pixels have been detected, wherein, when the defective pixels are detected, the defective pixels on the recording medium are restored by moving at least one of the recording head and the recording medium, and re-recording the pixels in the detected defective pixel positions by using different image-recording elements than the image-recording elements that have recorded the defective pixels, or by repairing defects of the image recoding elements which have recorded the defective pixels, and re-recording the image.
    • 将图像记录到具有全线记录头的记录介质的图像记录装置,其中多个图像记录元件跨越与记录介质的整个宽度对应的长度排列,同时至少一个记录 介质,并且记录头沿着与记录介质的宽度方向基本正交的方向传送,并且记录头和记录介质相对移动,图像记录装置包括:检测不良像素的缺陷像素检测装置 在由记录头记录在记录介质上的图像中; 当在记录介质上记录的图像中检测到缺陷像素时,记录介质传送装置将已经检测到缺陷像素的记录介质传送到用记录头重新记录图像的位置; 以及缺陷像素位置检测装置,其在已经检测到缺陷像素的记录介质上检测到用记录头重新记录图像之前的缺陷像素的位置,其中,当检测到缺陷像素时,缺陷像素在 通过移动记录头和记录介质中的至少一个来恢复记录介质,并且通过使用与记录缺陷像素的图像记录元件不同的图像记录元件来重新记录检测到的缺陷像素位置中的像素 或通过修复记录了缺陷像素的图像记录元素的缺陷,并重新记录图像。
    • 93. 发明申请
    • Liquid ejection head and image forming apparatus
    • 液体喷射头和图像形成装置
    • US20060250455A1
    • 2006-11-09
    • US11239302
    • 2005-09-30
    • Toshiya Kojima
    • Toshiya Kojima
    • B41J2/045
    • B41J2/14233B41J2002/14459B41J2002/14491B41J2202/18
    • The liquid ejection head comprises: a plurality of ejection ports which eject liquid to a recording medium; a plurality of pressure chambers which are connected respectively to the ejection ports; a plurality of piezoelectric elements which respectively deform the pressure chambers and are provided on a side of the pressure chambers opposite to a side on which the ejection ports are formed; a common liquid chamber which is provided on the side of the pressure chambers opposite to the side on which the ejection ports are formed; and a plurality of wiring members which are formed in such a manner that at least a portion thereof rises upward through the common liquid chamber in a substantially perpendicular direction with respect to a surface on which the piezoelectric elements are disposed, each of the wiring members containing driving wires through which driving signals are applied respectively to at least two of the piezoelectric elements.
    • 液体喷射头包括:将液体喷射到记录介质的多个喷射口; 分别连接到喷射口的多个压力室; 多个压电元件,其分别使压力室变形并且设置在与形成有喷射口的一侧相对的压力室的一侧; 设置在与形成喷射口的一侧相对的压力室一侧的公共液体室; 以及多个布线构件,其形成为使得其至少一部分相对于设置有压电元件的表面在大致垂直的方向上通过公共液体室向上升高,每个布线构件包含 将驱动信号分别施加到至少两个压电元件的驱动电线。
    • 94. 发明申请
    • Inkjet recording apparatus
    • 喷墨记录装置
    • US20060197795A1
    • 2006-09-07
    • US11365864
    • 2006-03-02
    • Tsutomu TakatsukaToshiya KojimaTadahisa SatoHideki MaetaYuki Shimizu
    • Tsutomu TakatsukaToshiya KojimaTadahisa SatoHideki MaetaYuki Shimizu
    • B41J29/393
    • C09D11/30C09D11/322
    • The inkjet recording apparatus comprises: a recording head including nozzles which discharge droplets of ink onto a recording medium for printing, the ink containing fine particles of an organic pigment manufactured by the steps of: flowing a solution of an organic pigment dissolved in an alkaline or acidic aqueous medium through a channel which provides a laminar flow; and changing a hydrogen ion exponent (pH) of the solution in a course of the laminar flow; a computing device which computes a non-operational time period for one of the nozzles; a calculating device which calculates a predicted non-operational time period until a next operation of the one of the nozzles; and a preliminary discharge control device which performs control whereby preliminary discharge of the one of the nozzles is carried out if a total of the non-operational time period and the predicted non-operational time period exceeds a reference time period.
    • 喷墨记录装置包括:记录头,其包括将墨水排出到用于印刷的记录介质上的喷嘴,所述油墨含有有机颜料的微粒,所述微粒由以下步骤制造:将溶于碱的有机颜料的溶液或 酸性水性介质通过提供层流的通道; 并在层流过程中改变溶液的氢离子指数(pH); 计算装置,其计算一个所述喷嘴的非操作时间段; 计算装置,其计算直到所述一个喷嘴的下一个操作之前的预测的非操作时间段; 以及预备排放控制装置,如果总计的非操作时间段和预计的非操作时间段超过参考时间段,则执行控制,从而执行一个喷嘴的预备排放。
    • 95. 发明申请
    • Liquid ejection head and image forming apparatus
    • 液体喷射头和图像形成装置
    • US20060066692A1
    • 2006-03-30
    • US11235352
    • 2005-09-27
    • Toshiya Kojima
    • Toshiya Kojima
    • B41J2/045
    • B41J2/1643B41J2/14233B41J2/14274B41J2/161B41J2/1612B41J2/1623B41J2/1646B41J2002/14459B41J2202/20B41J2202/21
    • The liquid ejection head comprises: a nozzle through which liquid is ejected; a pressure chamber which is connected to the nozzle; a diaphragm which pressurizes the pressure chamber; and a laminated piezoelectric element which causes the diaphragm to deform and is formed on the diaphragm by means of a thin film forming technique, wherein: an effective surface area of the diaphragm forming one inner surface of the pressure chamber is greater than a surface area of a bonding section between the diaphragm and the laminated piezoelectric element; a surface area of an active section of the laminated piezoelectric element is greater than the effective surface area of the diaphragm; and the laminated piezoelectric element is formed in such a manner that a cross-sectional area of the laminated piezoelectric element perpendicular to a direction of lamination becomes smaller as receding from the diaphragm.
    • 液体喷射头包括喷射液体的喷嘴; 与喷嘴连接的压力室; 隔膜,其对压力室加压; 以及层叠压电元件,其通过薄膜形成技术使膜片变形并形成在隔膜上,其中:形成压力室的一个内表面的隔膜的有效表面积大于 隔膜和层叠压电元件之间的接合部分; 叠层压电元件的有效部分的表面积大于隔膜的有效表面积; 并且层叠压电元件形成为使得与层叠方向垂直的层叠压电元件的横截面积随着从隔膜退回而变小。
    • 96. 发明授权
    • Printer and feeding control method
    • 打印机和进料控制方法
    • US06960037B2
    • 2005-11-01
    • US10665478
    • 2003-09-22
    • Toshiya KojimaKatsumi Enomoto
    • Toshiya KojimaKatsumi Enomoto
    • B41J11/00B41J11/42
    • B41J11/0095B41J11/425
    • An ink jet head is fed in a main-scan direction to record one line on a recording paper. Thereafter, the recording paper is fed in a sub-scan direction for one line. A corrected feeding amount A is calculated by adding a correction value C1 to a basic feeding amount B. The correction value C1 is determined by a formula, C1=2·D·(R−½), wherein p represents an interval between dots recorded on recording paper in the sub-scan direction, and k represents a range of unevenness in the feeding amount caused by structural factors of sub-scan feeding means. For example, D=(p−k)/2. R is a random number in a range between 0 and 1. Gradation unevenness and/or black and white streaks caused by periodical feeding unevenness become inconspicuous since the correction value C1 is changed on a random basis.
    • 喷墨头沿主扫描方向进给,在记录纸上记录一条线。 此后,记录纸沿副扫描方向进给一行。 通过将校正值C 1添加到基本供给量B来计算校正进给量A.校正值C 1由公式C 1 = 2·D(R-½)确定,其中p表示间隔 在副扫描方向上记录在记录纸上的点之间,k表示由副扫描进给装置的结构因素引起的进给量的不均匀范围。 例如,D =(p-k)/ 2。 R是在0和1之间的范围内的随机数。由于校正值C 1随机地改变,所以由周期性进给不均匀引起的渐变不均匀性和/或黑白条纹变得不明显。
    • 97. 发明授权
    • Image recording apparatus
    • 图像记录装置
    • US06905186B2
    • 2005-06-14
    • US10629677
    • 2003-07-30
    • Toshiya Kojima
    • Toshiya Kojima
    • B41J29/393
    • B41J29/393
    • A test pattern is recorded in a margin of recording paper. A camera of a test pattern imaging device takes the image of the test pattern. A test pattern analyzer calculates deviation in feeding distance of the recording paper, and in movement of an inkjet head based on image data. The test pattern analyzer also detects a faulty nozzle. The feeding distance of the recording paper and the carrying distance of the inkjet head are corrected based on deviation, so that print imperfection caused thereby is prevented. The faulty nozzle is subjected to correction processes, such as a nozzle wiping process, an ink discharge process, an ink suction process and the like.
    • 测试图案被记录在记录纸的边缘。 测试图像成像装置的相机拍摄测试图案的图像。 测试图形分析器基于图像数据计算记录纸的进给距离和喷墨头的运动中的偏差。 测试模式分析仪还可以检测到故障喷嘴。 基于偏差校正记录纸的进给距离和喷墨头的携带距离,从而防止由此引起的打印缺陷。 对喷嘴进行校正处理,例如喷嘴擦拭处理,喷墨处理,墨水抽吸处理等。
    • 99. 发明申请
    • Inkjet recording apparatus and discharge defect determination method
    • 喷墨记录装置和放电缺陷确定方法
    • US20050046658A1
    • 2005-03-03
    • US10932021
    • 2004-09-02
    • Toshiya Kojima
    • Toshiya Kojima
    • B41J2/165B41J2/21B41J29/393
    • B41J2/2139B41J2/2146B41J29/393
    • The inkjet recording apparatus comprises: a plurality of full-line recording heads provided for a plurality of ink colors, each of the plurality of full-line recording heads having one or more rows of nozzles in which a plurality of nozzles for discharging ink are arrayed across an entire width of a printing medium in a direction substantially orthogonal to a conveyance direction of the printing medium; and a plurality of image-reading devices provided for the plurality of ink colors, the plurality of image-reading devices reading an image formed on the printing medium with ink ejected from the plurality of recording heads provided for the colors, the plurality of image-reading devices being arranged on a downstream side in the conveyance direction of the printing medium with respect to the recording heads of the respective corresponding colors.
    • 喷墨记录装置包括:多个全线记录头,其设置有多个墨水颜色,多个全行记录头中的每一个具有一排或多排喷嘴,其中排列多个用于排墨的喷嘴 在与打印介质的输送方向大致正交的方向上跨越打印介质的整个宽度; 以及多个图像读取装置,用于多种墨水颜色,所述多个图像读取装置使用从为所述颜色提供的所述多个记录头喷射的墨水,读取形成在所述打印介质上的图像, 读取装置相对于各个相应颜色的记录头被布置在打印介质的传送方向的下游侧。