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    • 3. 发明申请
    • PREDICTION MODEL FOR COLOR SEPARATION, CALIBRATION AND CONTROL OF PRINTERS
    • 打印机颜色分离,校准和控制的预测模型
    • WO2005013188A1
    • 2005-02-10
    • PCT/IB2004/002364
    • 2004-07-13
    • ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNEHERSCH, Roger, D.EMMEL, PatrickCOLLAUD, Fabien
    • HERSCH, Roger, D.EMMEL, PatrickCOLLAUD, Fabien
    • G06K15/12
    • H04N1/6097G06K2215/0094H04N1/6025H04N1/603H04N1/6033
    • The present invention facilitates the calibration of printers and the color separation of input images into a set of inks by disclosing methods and systems for populating device-calibration lookup tables. The disclosed methods and systems rely on a comprehensive spectral prediction model which is capable of predicting at a high accuracy the reflectance spectra of halftone ink patches. The comprehensive spectral prediction model is composed of a first part predicting the reflection spectra as a function of physical (mechanical) surface coverages an of a second part comprising functions mapping nominal surface coverages to effective surface coverages. These mapping functions are calibrated by halftone patch wedges printed alone and by half­tone patch wedges printed in superposition with one or several solid inks. The part of the com­prehensive spectral prediction model predicting the reflection spectra relies on a weighted average between one component behaving according to the Clapper-Yule model and another component behaving as the spectral Neugebauer model, extended to include multiple internal reflections at the paper-air boundary. The disclosed methods and systems can perform the color separation as well as the calibration of printers printing with standard cyan, magenta, and yel­low inks as well as with inks comprising standard and non-standard inks such as Pantone inks (custom inks). They are also used for performing precise undercolour removal in order to carry out the color separation of images into cyan, magenta, yellow and black inks. The can further be used to carry out the color separation of images into cyan, magenta, yellow, black, light cyan and light magenta inks. In addition, the disclosed methods and systems can be used for printer control, i.e. to control printer actuation parameters in different types of printers e.g. liq­uid ink professional printers (offset, gravure, letterpress), electrophotographic printers, ink-jet printers, thermal transfer printers and in dye-sublimation printers.
    • 本发明通过公开用于填充设备校准查找表的方法和系统来促进打印机的校准和输入图像的颜色分离成一组油墨。 所公开的方法和系统依赖于能够高精度地预测半色调墨贴的反射光谱的综合光谱预测模型。 综合光谱预测模型由第一部分组成,第一部分预测作为第二部分的物理(机械)表面覆盖的函数的反射光谱,其包括将标称表面覆盖率与有效表面覆盖度相关的函数。 这些映射功能通过单独打印的半色调补丁楔和通过与一种或多种固体油墨重叠打印的半色调补片楔进行校准。 预测反射光谱的综合光谱预测模型的一部分依赖于根据Clapper-Yule模型行为的一个分量和表现为光谱Neugebauer模型的另一个分量之间的加权平均,其扩展为在纸空气边界处包括多个内部反射 。 所公开的方法和系统可以执行颜色分离以及使用标准青色,品红色和黄色油墨印刷的打印机的校准,以及包括标准和非标准油墨如Pantone油墨(定制油墨)的油墨。 它们也用于执行精确的底色去除,以便将图像的颜色分离成青色,品红色,黄色和黑色墨水。 可进一步用于将图像分色为青色,品红色,黄色,黑色,浅青色和浅品红色油墨。 此外,所公开的方法和系统可以用于打印机控制,即在不同类型的打印机中控制打印机驱动参数。 液体墨水专业打印机(胶印,凹版印刷,凸版印刷),电子照相打印机,喷墨打印机,热转印打印机和染料升华打印机。
    • 6. 发明申请
    • SPOT COLOR PATTERN SYSTEM
    • SPOT彩色图案系统
    • WO2003044729A1
    • 2003-05-30
    • PCT/US2002/037149
    • 2002-11-19
    • ELECTRONICS FOR IMAGING, INC.
    • FALK, Richard
    • G06K15/02
    • H04N1/6052G06K15/02G06K2215/0082G06K2215/0094H04N1/54
    • A Raster Image Processing (RIP) has a database of spot color patterns that are user definable and are patterns which are images of a textile, fabric, metal, etc., that are repeatedly printed across the job. The RIP interprets a spot color pattern name in print job, looks up the spot color in its database, pulls up the image associated with the spot color pattern name, adds Postscript® pattern code to the print job to paint the spot color across the background of the print job, realistically simulating the final print media, and adds other code to perform other tasks, such as mirroring or four-way mirroring to prevent stitches from appearing. A RIP user interface gives the user the ability to create, modify, or delete spot color patterns.
    • 光栅图像处理(RIP)具有用户可定义的专色图案数据库,并且是在整个作业中重复打印的纺织品,织物,金属等的图像的图案。 RIP解释打印作业中的专色图案名称,查找其数据库中的专色,拉出与专色图案名称相关联的图像,将Postscript(R)图案代码添加到打印作业中以绘制专色 打印作业的背景,真实地模拟最终的打印介质,并添加其他代码来执行其他任务,例如镜像或四向镜像,以防止出现缝合。 RIP用户界面使用户能够创建,修改或删除专色模式。
    • 7. 发明申请
    • Method and apparatus for two-color ink jet point of sale (POS) printing
    • 双色喷墨销售点(POS)打印方法和装置
    • WO0178373A3
    • 2002-04-25
    • PCT/US0108268
    • 2001-03-15
    • TRANSACT TECH INC
    • PAYNE STEPHEN R
    • B41J2/21B41J11/48G06K15/02G07G5/00H04N1/56H04N1/50H04N1/60
    • H04N1/56B41J2/2103B41J11/48G06K15/02G06K2215/0094G06K2215/0097G07G5/00
    • A 2-color ink jet point of sale (POS) printer includes a converter for converting full color printing commands into a commands for printing in two colors, a primary color and an alternate color. A three color image is possible when using the background color of the paper as a color. In one embodiment, the printer determines a location of the print cartridge relative to a print location of the image to be printed, and when the print cartridges are both on one side of the print location, the print carriages traverses the paper in one direction, printing first with the primary color and then with the alternate color on the same pass. After the paper is advanced in the printer, the print carriage traverses the paper in the other direction, with the alternate color printing before the primary color.
    • 双色喷墨销售点(POS)打印机包括一个转换器,用于将全色打印命令转换成两种颜色的打印命令,即原色和交替颜色。 使用纸张的背景颜色作为颜色时,可以使用三色图像。 打印机包括仅包含两个打印墨盒的打印托架。 打印机确定打印墨盒相对于要打印的图像的打印位置的位置,并且当打印墨盒都位于打印位置的一侧时,打印托架沿一个方向穿过纸张,首先打印 原色,然后在相同的通行证与交替颜色。 纸张在打印机中前进后,打印托架在另一个方向上移动纸张,并在原色之前进行交替彩色打印。
    • 8. 发明申请
    • RECORDING DEVICE AND DATA CONTROL METHOD THEREFOR
    • 记录装置及其数据控制方法
    • WO00069643A1
    • 2000-11-23
    • PCT/JP2000/003030
    • 2000-05-11
    • B41J2/05B41J2/15B41J2/21G06K15/10B41J2/525
    • B41J2/04543B41J2/0458B41J2/15B41J2/2103G06K15/102G06K2215/0077G06K2215/008G06K2215/0094
    • In an ink jet recording device (1), a fixed signal output section (461) sends to a head driving circuit (50) a signal, as a mode fixing signal (SP), indicating that ink droplets should not be discharged for nozzle openings (111) in a group not used for recording. On the basis of the mode fixing signal (SP), the mode fixing circuit (18) of the head driving circuit (50) fixes the nozzle openings (111) in the corresponding group under the condition that they should not discharge ink droplets. Therefore, concerning the group that do not discharge ink droplets, there is no need to take the trouble to effect serial conversion and serial transfer of the data ("0" data) as recording data (S1), which data ("0") indicates that ink droplets should not be discharged, so that the wasteful processing time can be saved.
    • 在喷墨记录装置(1)中,固定信号输出部件(461)向头驱动电路(50)发送一个信号,作为模式固定信号(SP),指示不应为喷嘴开口排出墨滴 (111)在不用于记录的组中。 基于模式固定信号(SP),头驱动电路(50)的模式固定电路(18)在不排放墨滴的条件下固定相应组中的喷嘴开口(111)。 因此,关于不喷墨的组,不需要将数据(“0”数据)作为记录数据(S1)进行串行转换和串行传送,该数据(“0”) 表示墨滴不能排出,因此可以节省浪费的处理时间。
    • 9. 发明申请
    • INK-JET RECORDING METHOD AND DEVICE
    • 喷墨记录方法和装置
    • WO99039911A1
    • 1999-08-12
    • PCT/JP1999/000550
    • 1999-02-09
    • B41J2/205B41J2/21G06K15/10H04N1/23H04N1/403H04N1/50
    • H04N1/502B41J2/2121G06K15/102G06K2215/0094
    • An ink-jet recording system which hardly causes ink to blur. The system includes a correction table (30) which contains the number of ejection ink dots of each color limited in advance according to the combination of the numbers of ejection ink dots specified for respective colors in a unit area in such a way that the total number of ejection ink dots does not exceed a predetermined upper limit value, and an error table (31) contains the errors which may be produced when determining the limited numbers of ejection ink dots of the colors and which are previously calculated and determined according to the combination of the numbers of ejection ink dots specified for the colors in the unit area. Before printing, a corrected number of eject ink dots for each color in each unit area is determined from the correction table (30) according to the combination of the numbers of eject ink dots on which each head is instructed based on binary image data (S25). The errors listed in the error table (31) are accumulated for every unit area (S27), the integer part, if appears in the accumulated value, is made to affect the numbers of eject ink dots, and the accumulated error is updated (S25).
    • 一种喷墨记录系统,其难以使墨水模糊。 该系统包括校正表(30),其包含根据在单位区域中针对各种颜色指定的喷射墨点的数量的组合而预先限制的每种颜色的喷墨墨点的数量,使得总数 喷射墨点不超过预定上限值,并且误差表(31)包含当确定颜色的喷射墨点的有限数量时可能产生的误差表,并且根据组合预先计算和确定 为单位区域中的颜色指定的喷墨墨点的数量。 在打印之前,根据基于二进制图像数据的每个头被指示的喷射墨点的数量的组合从校正表(30)确定每个单位区域中的每种颜色的校正数量的喷射墨点(S25 )。 误差表(31)中列出的错误对于每个单位区域(S27)累积,如果出现在累积值中的整数部分会影响喷墨墨点的数量,并且更新积累的误差(S25 )。