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    • 3. 发明授权
    • Spray head for a computer-controlled automatic image reproduction system
    • 喷头用于计算机控制的自动图像再现系统
    • US6081281A
    • 2000-06-27
    • US820067
    • 1997-03-19
    • Arthur L. ClearyPeter L. Duffield
    • Arthur L. ClearyPeter L. Duffield
    • B41J2/02B41J2/015
    • B41J2/02B41J2002/14475B41J2202/02
    • Reproducing a predetermined pattern on a medium, by for example, an apparatus that includes in combination a source of colored ink, a primary source of compressed air, a spray head including a housing having an inner ink chamber in flow communication with the source of ink, an outer air chamber in flow communication with the source of air and surrounding the inner ink chamber, a spray nozzle having an outside diameter and an internal longitudinal bore connected to the inner ink chamber and extending forward of the housing. A spray shield has an outer surface adjacent the medium and an inner surface positioned adjacent to and spaced from the housing and has a transverse opening therethrough in alignment with the nozzle. An auxiliary air supply has a pressure significantly less than the pressure of the air from the primary source of compressed air. The auxiliary air supply is in flow communication with the space between the shield and the housing thereby to force clean air through the space and out through the spray shield opening.
    • 在介质上再现预定图案,例如通过组合包括彩色墨水源的压缩空气的主要来源的装置,包括具有与油墨源流动连通的内部油墨室的壳体的喷雾头 与空气源流动连通并围绕内部墨水室的外部空气室,具有连接到内部墨水腔并延伸到壳体前方的外部直径和内部纵向孔的喷嘴。 喷雾屏蔽件具有邻近介质的外表面和与壳体相邻并与壳体间隔开的内表面,并且具有与喷嘴对准的穿过其的横向开口。 辅助空气源具有显着小于来自压缩空气源的空气的压力的压力。 辅助空气供应与屏蔽和壳体之间的空间流动连通,从而迫使清洁空气通过该空间并通过喷射屏蔽开口流出。
    • 8. 发明授权
    • Spray-painting system with automatic color calibration
    • 具有自动颜色校准的喷漆系统
    • US5434604A
    • 1995-07-18
    • US885945
    • 1992-05-19
    • Arthur L. ClearyPeter L. Duffield
    • Arthur L. ClearyPeter L. Duffield
    • H04N1/407B41J2/01
    • H04N1/4078
    • An automatic system for the spray painting of color images in which accurate color reproduction is achieved by a separate look-up table generated for each jet and stored in the computer memory. During the reproduction of an image, the computer uses the look-up tables to determine the pulse width of an air modulation stream to reproduce the precise color density called for by the input data. Because slight variations in the characteristics of two jets spraying the same color would produce objectionable lining in the image, a separate look-up table is provided for each jet. A color test image is generated for a selected jet by successively varying the width of the pulse modulation from the minimum to the maximum. For example, while the jet is making a single scan across the medium, the pulse width modulation of the air stream is varied in 256 separate steps to produce a test image that varies from the lightest to the darkest density of the particular color being sprayed. This pattern is scanned by a densitometer that delivers its output to the computer. The position of the densitometer along the color test image is correlated with the modulation pulse width that produced that particular color density and this information is stored in a look-up table for use during the generation of a reproduced image. A dark current is measured by the densitometer and subtracted from the calibration readings so that the calibration is independent of ambient illumination.
    • 一种用于彩色图像的喷涂的自动系统,其中通过为每个喷射器生成并存储在计算机存储器中的单独的查找表来实现准确的色彩再现。 在再现图像期间,计算机使用查找表来确定空气调制流的脉冲宽度以再现输入数据所要求的精确色彩浓度。 由于喷射相同颜色的两个射流的特征的轻微变化将在图像中产生令人反感的衬里,为每个喷射器提供单独的查找表。 通过将脉冲调制的宽度从最小到最大值连续地变化,为所选择的射流生成彩色测试图像。 例如,当射流在介质上进行单次扫描时,空气流的脉冲宽度调制在256个分开的步骤中变化,以产生从被喷射的特定颜色的最浅到最暗密度变化的测试图像。 该图案由密度计扫描,将其输出传递到计算机。 密度计沿颜色测试图像的位置与产生该特定颜色浓度的调制脉冲宽度相关,并且该信息被存储在查找表中以供在再生图像的生成期间使用。 通过密度计测量暗电流,并从校准读数中减去,使校准与环境照度无关。
    • 9. 发明授权
    • Multi-color recorder with plural ink jets and reservoirs co-mounted on a
reciprocating carriage, each reservoir containing a sub-reservoir in
communication with an ink supply conduit
    • 多色记录器,具有多个喷墨和储存器,共同安装在往复式托架上,每个储存器包含与油墨供应管道连通的子储存器
    • US4999651A
    • 1991-03-12
    • US467657
    • 1990-01-19
    • Peter L. DuffieldArthur L. Cleary
    • Peter L. DuffieldArthur L. Cleary
    • B41J2/215B41J13/00H04N1/034H04N1/12G01D15/16B41J2/045B41J2/11B41J2/175B41J2/21
    • H04N1/12B41J13/0072B41J2/215H04N1/034B41J2002/031
    • A system for reproducing color images by electronically scanning an original to control the paint-spraying of a larger duplicate image. Multiple ink spray heads scan the width of the recording medium while being controlled by width-modulation of constant air pressure supplied to the heads. Ink is contained in multiple reservoirs that are each connected to one of the spray heads by a conduit extending substantially perpendicular to the direction of travel of the spray heads. Each ink reservoir contains a sub-reservoir with a bottom surface above the level of the bottom surface of the primary reservoir. Sloping deflector plates cause ink to flow from the primary reservoir into the sub-reservoir during acceleration or deceleration of the reservoirs. The height of the ink in the reservoir is such that a meniscus of ink is maintained on the tip of the spray jet during periods when ink is not being sprayed. A fill cap in each reservoir extends into the interior of the reservoir to limit the height of the ink in the reservoir and avoid spillage. The fill cap area is preferably one inch or more in diameter to permit visual observation of the ink during filling.
    • 一种用于通过电子扫描原稿来再现彩色图像以控制更大的重复图像的喷漆的系统。 多个喷墨头在通过供给头部的恒定气压的宽度调制来控制记录介质的宽度的同时进行扫描。 墨水容纳在多个储存器中,每个储存器通过基本上垂直于喷头的行进方向延伸的导管连接到一个喷头。 每个墨水储存器包含底部储存器,底部表面高于主要储存器底部表面的水平面。 倾斜导流板在储存器的加速或减速期间使墨水从主储存器流入副储存器。 储存器中的墨水的高度使得在不喷墨的期间墨水的弯液面保持在喷射喷嘴的尖端上。 每个储存器中的填充盖延伸到储存器的内部,以限制储存器中墨水的高度并避免溢出。 填充盖区域的直径优选为1英寸或更大,以允许在填充期间目视观察墨水。
    • 10. 发明授权
    • Multi-speed, multi-resolution print heads
    • 多速度,多分辨率打印头
    • US06874860B2
    • 2005-04-05
    • US10281292
    • 2002-10-24
    • Joseph A. LahutArthur L. Cleary
    • Joseph A. LahutArthur L. Cleary
    • B41J2/21B41J19/14B41J29/38B41J2/155
    • B41J2/2103B41J19/147
    • A printing apparatus for printing images on a substrate includes a first set of print heads S1 having at least one print head P1,1 arranged to deposit a first ink I1, and a second set of print heads S2 having at least two print heads P2,1, P2,2 arranged to deposit a second ink I2. The at least one print head P1,1 of the first set S1 and a first print head P2,1 of the second set S2 respectively depositing the first ink I1 and the second ink I2 in a first order of deposition O1, and the at least one print head P1,1 of the first set I1 and a second print head P2,2 of the second set S2 respectively depositing the first ink I1 and the second ink I2 in a second order of deposition O2 as the printing apparatus traverses across the substrate in one direction D1. The order of deposition of the first ink I1 and the second ink I2 from the print heads is reversed as the printing apparatus traverses across the substrate in an opposite direction D2.
    • 用于在基板上打印图像的打印设备包括具有布置成沉积第一墨水I1的至少一个打印头P1,1的第一组打印头S1和具有至少两个打印头P2的第二组打印头S2, 1,P2,2,其布置成沉积第二墨水I2。 第一组S1的至少一个打印头P1,1和第二组S2的第一打印头P2,1分别以第一级沉积O1沉积第一油墨I1和第二油墨I2,并且至少 第一组I1的一个打印头P1,1和第二组S2的第二打印头P2,2分别在打印装置穿过衬底时以二级沉积O 2沉积第一油墨I1和第二油墨I2 在一个方向D1。 当打印装置沿相反方向D2穿过基板时,第一墨水I1和第二墨水I2从打印头沉积的顺序相反。