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    • 44. 发明授权
    • Method of controlling paper transportation in an apparatus, and an apparatus using the method
    • 控制装置中的纸张输送的方法以及使用该方法的装置
    • US08485462B2
    • 2013-07-16
    • US12384851
    • 2009-04-08
    • Motohiro NakamakiIchimi MasudaNobuhiro Inoue
    • Motohiro NakamakiIchimi MasudaNobuhiro Inoue
    • B65H51/30
    • B41J15/16B41J11/42
    • A paper transportation control method for an apparatus enables conveying paper with appropriate tension on the paper by appropriately controlling a paper delivery operation of a delivery roller. When paper is conveyed by a paper feed roller pair of a roll paper printer, and tension on the paper is detected to exceed an upper tension limit based on displacement of a damping mechanism (a first time), a paper delivery operation of a delivery roller pair starts at a second time after a start operation delay time corresponding to a feed rate passes after the first time. When the tension returns to or below the upper tension limit, the paper delivery operation stops at a third time after a stop operation delay time similarly corresponding to the feed rate passes.
    • 用于装置的纸张传送控制方法能够通过适当地控制传送辊的纸张输送操作来将纸张以适当的张力传送到纸张上。 当纸张被送纸辊对卷纸打印机传送时,基于阻尼机构的位移(第一次)检测纸张上的张力超过上限张力,送纸辊的送纸操作 在对应于进给速率的开始操作延迟时间在第一次之后经过之后,第二次启动对。 当张力恢复到上限张力或低于上限张力时,在类似于进给速度通过的停止操作延迟时间之后,纸张传送操作在第三时间停止。
    • 49. 发明授权
    • Image data resolution enhancing apparatus
    • 图像数据分辨率增强装置
    • US5706045A
    • 1998-01-06
    • US709049
    • 1996-09-06
    • Nobuhiro Inoue
    • Nobuhiro Inoue
    • B41J2/355B41J2/36G06K15/02H04N1/032H04N1/40
    • H04N1/40068G06K15/028
    • In a thermal printing apparatus, three consecutive image data items in the main scanning direction is sequentially extracted. When all the three image data items are at level 0 (indicating that no dot is printed) and at level 1 (indicating that a dot is printed), a printing density is determined to be 0 (indicating that no dot is printed) and 3 (indicating that a dot of the highest printing density is printed), respectively. When one of the three image data items is at level 1, the printing density is determined to be 1 (indicating that a dot of the lowest printing density is printed) when the printing density of the preceding printed pixel is any value other than 0. When one or two of the three image data items is or are at level 1, the printing density is determined to be 1 or 2 (indicating that a dot of an intermediate printing density is printed) according to the printing density of the preceding printed pixel. Thus, the printing apparatus is capable of printing image data without the degradation of the image quality, even when the image data whose resolution in the main scanning direction is higher than (e.g., three times as high as) that inherent to the apparatus is supplied.
    • 在热敏打印装置中,依次提取主扫描方向上的三个连续的图像数据项。 当所有三个图像数据项目处于0级(表示没有点打印),并且在级别1(指示打印点)时,确定打印浓度为0(表示没有打印点)和3 (表示打印出最高打印浓度的点)。 当三个图像数据项中的一个处于1级时,当前一个打印像素的打印浓度是0以外的任何值时,确定打印浓度为1(表示打印浓度最低的点)。 当三个图像数据项中的一个或两个处于或等于1时,根据先前打印像素的打印浓度确定打印浓度为1或2(表示打印中间打印浓度的点) 。 因此,即使当主扫描方向的分辨率高于设备固有的(例如,三倍高)的图像数据时,打印设备也能够打印图像数据而不会降低图像质量 。