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35 条记录 (耗时 0.022 秒)

    Ink jet color graphics printing
    1.
    发明授权
    Ink jet color graphics printing 失效
    喷墨彩色图形打印

    公开(公告)号：US5012257A

    公开(公告)日：1991-04-30

    申请号：US495011

    申请日：1990-03-16

    申请人： David J. Lowe ,  Thomas B. Pritchard

    发明人： David J. Lowe ,  Thomas B. Pritchard

    IPC分类号： B41J2/21 ,  H04N1/23 ,  H04N1/52

    CPC分类号： H04N1/52 ,  B41J2/2132

    摘要： In a color ink jet printing system, an image superpixel (84, 86, 88) consists of a 2 by 2 array of cells (1-4), each cell corresponding to a pixel area on the substrate (80). Each pixel (55) of graphics data is processed to form a 2 by 2 array of bit image data (40), for printing a corresponding superpixel image (68). A superpixel configuration (86), indicating cell location and color of drops of ink for forming a superpixel image, is defined for each desired image color. Superpixel configurations control printing so that drops of ink (Y,M,C) are deposited only an a diagonally adjacent pair of cells (1,4), with no more than two drops of ink per cell, and no more than three drops of ink per superpixel. This superpixel strategy provides for printed images (62,64) perceivable as having the desired image color and having good color saturation, while minimizing bleed across color field boundaries (66).

    摘要翻译： 在彩色喷墨打印系统中，图像超像素（84,86,88）由2×2的单元阵列（1-4）组成，每个单元对应于基板（80）上的像素区域。 图形数据的每个像素（55）被处理以形成2×2的位图数据阵列（40），用于打印对应的超像素图像（68）。 为每个期望的图像颜色定义指示单元格位置和用于形成超像素图像的墨的墨滴的颜色的超像素配置（86）。 超像素配置控制打印，使得墨滴（Y，M，C）仅沉积在对角相邻的一对单元（1,4）上，每个单元不超过两滴墨水，并且不超过三滴 每个超级像素的墨水。 该超像素策略提供可感知为具有所需图像颜色并且具有良好色彩饱和度的打印图像（62,64），同时最小化穿过色域边界（66）的渗色。

    Method and apparatus for transferring data between a printer and a replaceable printing component
    2.
    发明授权
    Method and apparatus for transferring data between a printer and a replaceable printing component 失效
    用于在打印机和可更换打印部件之间传送数据的方法和装置

    公开(公告)号：US06267463B1

    公开(公告)日：2001-07-31

    申请号：US09076601

    申请日：1998-05-11

    申请人： Ronald R. Paulsen ,  Thomas B. Pritchard ,  David J. Lowe ,  Eric P. Ross

    发明人： Ronald R. Paulsen ,  Thomas B. Pritchard ,  David J. Lowe ,  Eric P. Ross

    IPC分类号： B41J29393

    CPC分类号： B41J2/17546

    摘要： The present disclosure relates to a replaceable printing component for an ink-jet printing system having at least one replaceable printing component. The replaceable printing component includes an electrical storage device responsive to printing system control signals for transferring information between the printing component and the ink-jet printing system. The electrical storage device includes a storage portion containing a plurality of data fields associated with the replaceable printing component. Included in the electrical storage device is a plurality data values stored in each of the plurality of data fields. Also included is a control portion responsive to control signals for selectively transferring a block of data values having a preselected size between the ink-jet printer and the storage portion. The plurality of data fields are sized and arranged in the storage portion to ensure each of the plurality of data fields is transferred in a single data transfer between the ink-jet printer and the storage portion.

    摘要翻译： 本公开涉及一种用于喷墨打印系统的可替换打印部件，其具有至少一个可更换打印部件。 可替换的打印部件包括响应于打印系统控制信号的电存储装置，用于在打印部件和喷墨打印系统之间传送信息。 电气存储装置包括包含与可更换打印部件相关联的多个数据字段的存储部分。 包括在电存储装置中的是存储在多个数据字段中的每一个中的多个数据值。 还包括响应于控制信号的控制部分，用于选择性地传送在喷墨打印机和存储部分之间具有预选尺寸的数据值块。 多个数据字段的尺寸和布置在存储部分中，以确保在喷墨打印机和存储部分之间的单个数据传送中传送多个数据字段中的每一个。

    Continuous process for preparing poly(butylene terephthalate) oligomer or poly(butylene isophthalate) oligomer
    9.
    发明授权
    Continuous process for preparing poly(butylene terephthalate) oligomer or poly(butylene isophthalate) oligomer 失效
    制备聚（对苯二甲酸丁二醇酯）低聚物或聚（邻苯二甲酸丁二醇酯）低聚物的连续方法

    公开(公告)号：US5064935A

    公开(公告)日：1991-11-12

    申请号：US561468

    申请日：1990-08-01

    申请人： Roy Jackson ,  David J. Lowe ,  Clare A. Stewart

    发明人： Roy Jackson ,  David J. Lowe ,  Clare A. Stewart

    IPC分类号： C08G63/183 ,  C08G63/78

    CPC分类号： C08G63/78

    摘要： Economic and efficient process for preparing an oligomer of poly(butylene terephthalate) or an oligomer of poly(butylene isophthalate) from a transesterification reaction mass by using a countercurrent column reactor system wherein the transesterification reaction mass is fed into the countercurrent column reactor and continuously flows downward while simultaneously a heated inert gas stream continuously flows upward to scrub out volatiles from the transesterification reaction mass, thereby yielding from the bottom of the countercurrent column reactor an oligomer of poly(butylene terephthalate) or an oligomer of poly(butylene isophthalate) suitable for use in a polycondensation reaction. Butanediol is recycled throughout the process through an absorber column.

    Chart recorders
    10.
    再颁专利
    Chart recorders 失效
    图表记录器

    公开(公告)号：USRE31896E

    公开(公告)日：1985-05-21

    申请号：US400546

    申请日：1982-01-21

    申请人： David J. Lowe

    发明人： David J. Lowe

    IPC分类号： G01D9/14 ,  G01R19/12

    CPC分类号： G01R19/12 ,  G01D9/14

    摘要： In a potentiometric chart recorder, the speed of the chart motor 22 is, in one mode of operation (AUTO) selected by a switch 32, varied between two values in dependence upon the rate of change or slope of the input signal at 10 as detected in a detector 30. The slow speed is obtained by intermittent operation at the fast speed, and during the non-operative periods power-consuming circuitry e.g. 16, 18, 26 is switched off by a switch 40.