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    VARIABLE DATA PRINT JOB SYSTEM
    1.
    发明公开
    VARIABLE DATA PRINT JOB SYSTEM 审中-公开
    可变数据打印作业系统

    公开(公告)号：EP1183591A1

    公开(公告)日：2002-03-06

    申请号：EP00928247.6

    申请日：2000-04-19

    申请人： Electronics for Imaging, Inc.

    发明人： VIDYANAND, Ramgopal ,  SCHWARZ, James, K., Jr. ,  MOTAMED, Margaret ,  SEGAL, Alon ,  KONG, Chew, Yan ,  GUNTURU, Ravindranath ,  DZIESIETNIK, Ghilad

    IPC分类号： G06F3/12

    CPC分类号： G06F3/1205 ,  G06F3/1208 ,  G06F3/1242 ,  G06F3/1244 ,  G06F3/1253 ,  G06F3/1267 ,  G06F3/1285

    摘要： A variable data print job system that reduces the master and variable jobs into a single job sent from the client to the printer that does not require indefinite disk storage on the printer. The first part of the job contains the master data pages and the second part of the job contains the variable data. The print job is assembled and sent to the printer which detects that the job is a two part job. It places the master data in the page buffer and copies it to another area of the page buffer so as a page of the variable data can be overlaid onto the page buffer and is then sent to the print engine for printing.

    摘要翻译： 一种可变数据打印作业系统，可将主作业和可变作业缩减为从客户端发送到打印机的单个作业，而不需要打印机上的无限存储。 作业的第一部分包含主数据页面，作业的第二部分包含可变数据。 打印作业被组装并发送到打印机，该打印机检测作业是两部分作业。 它将主数据放入页面缓冲区，并将其复制到页面缓冲区的另一个区域，以便可变页数据的页面可以叠加到页面缓冲区，然后发送到打印引擎进行打印。

    LOW MEMORY PRINTER CONTROLLER
    3.
    发明公开
    LOW MEMORY PRINTER CONTROLLER 审中-公开
    与小店打印机控制器

    公开(公告)号：EP1145188A1

    公开(公告)日：2001-10-17

    申请号：EP99970489.3

    申请日：1999-10-06

    申请人： Electronics for Imaging, Inc.

    发明人： DZIESIETNIK, Ghilad ,  LERMANT, Pierre

    IPC分类号： G06K15/00

    CPC分类号： G06K15/00 ,  G06K2215/0014

    摘要： A mechanism is provided that allows color printers to render color or black and white files in a reduced memory configuration, and in a time efficient fashion. An incoming data file which represente a page that is to be printed is provided to an interpreter. The data file includes an object that is to be rendered by the interpreter. The interpreter requests an uncompressed representation of a patch, where the patch intersects with the object that is to be rendered. A patch cache holds a collection of patches of different locations and different types. If the requested patch is not in the patch cache, room is made in the patch cache by compressing the least recently used patch data. The requested patch is then decompressed in the patch cache by a compression mechanism. The compression mechanism holds a collection of compressed patch data that tiles the entire page. Each patch is compressed independently from one another. Thus, the logical page representation is broken down into patches, where the breakdown is known to the interpreter and the compression mechanism. A stitcher uses a stitching process to turn the patch page representation into a compressed line, band, or full page representation. The representation is stored in a frame buffer. Dedicated hardware and/or software decompresses the frame buffer on-the-fly and places colored dots on the printed page.

    METHOD AND APPARATUS FOR VARIABLE DATA PRINTING
    5.
    发明公开
    METHOD AND APPARATUS FOR VARIABLE DATA PRINTING 审中-公开
    设备和方法用于打印可变数据

    公开(公告)号：EP1018258A1

    公开(公告)日：2000-07-12

    申请号：EP98948086.8

    申请日：1998-09-01

    申请人： Electronics for Imaging, Inc.

    发明人： DZIESIETNIK, Ghilad ,  BEAUMONT, Danielle ,  PARDO, Luis, Trabb

    IPC分类号： H04N1/41

    CPC分类号： H04N1/41

    摘要： A technique is described for adding variable data to a print job, while requiring a minimum amount of storage. Key to the invention is the use of a data compression algorithm during RIPing. During a first stage of operation, a master document is RIPed into a compressed format and saved in a cache, such as RAM or disk storage. It is important to note that RIPing and data compression are performed simultaneously. This minimizes the amount of processing power necessary to RIP and compress a large document, while significantly reducing the amount of storage space required to save the RIPed master document. The variable data document is RIPed and compressed during a second stage of operation using the same algorithm as applied to the master document. Uniquely, the variable data document is RIPed directly onto the master document in compressed format. During the second phase of operation, the master document to be personalized is retrieved from memory and stored in a frame buffer. The variable data document is RIPed in compressed format directly into the frame buffer. A compressed file that results may be decompressed and forwarded to the print engine.

    METHOD AND APPARATUS FOR SINGLE-PASS FAILED NOZZLE COMPENSATION
    9.
    发明公开
    METHOD AND APPARATUS FOR SINGLE-PASS FAILED NOZZLE COMPENSATION 审中-公开
    方法和装置抵消发生故障的JET IN ONE PASS

    公开(公告)号：EP3155798A1

    公开(公告)日：2017-04-19

    申请号：EP15806203.4

    申请日：2015-06-12

    申请人： Electronics for Imaging, Inc.

    发明人： BILLOW, Steven ,  WILLIAMS, Leon ,  DZIESIETNIK, Ghilad

    IPC分类号： H04N1/401 ,  B41J2/21

    CPC分类号： B41J2/2139 ,  B41J2/2054 ,  B41J2/2142 ,  B41J2/2146 ,  G06K15/102

    摘要： Compensation algorithms are applied to hide failed nozzles or, at least, reduce the objectionable effect of such nozzles in a printed image. Once a failed nozzle or under-performing nozzle is detected in a single-pass printing system, it is shut-off and the image data that was intended to be printed by this nozzle is redistributed to its neighboring nozzles. Embodiments of the invention use of a 1-D look-up table and stochastically distribute the duty cycle to each neighboring nozzle. In this way, failed nozzles are effectively hidden in the final print.

    摘要翻译： 补偿算法应用到隐藏故障喷嘴或，至少减少在打印图像谋求喷嘴的反感效果。 一旦发生故障的喷嘴或下喷嘴执行在单个遍打印系统被检测到，它被关断并且将图像数据做了什么意在由该喷嘴打印被重新分配到其相邻的喷嘴。 本发明使用的一个1-D查找表和实施例随机分布的占空比以每个相邻喷嘴。 通过这种方式，未能喷嘴有效地隐藏在最终打印。

    PRINTING METHOD AND APPARATUS HAVING MULTIPLE RASTER IMAGE PROCESSORS
    10.
    发明授权
    PRINTING METHOD AND APPARATUS HAVING MULTIPLE RASTER IMAGE PROCESSORS 有权
    打印方法和装置，它具有多个栅格图像处理器的数量

    公开(公告)号：EP1116095B1

    公开(公告)日：2006-06-21

    申请号：EP99935626.4

    申请日：1999-07-15

    申请人： Electronics for Imaging, Inc.

    发明人： MOTAMED, Margaret ,  SEGAL, Alon ,  KONG, Chew, Yan ,  GUNTURU, Ravindranath ,  DZIESIETNIK, Ghilad

    IPC分类号： G06F3/12

    CPC分类号： G06F3/1211 ,  G06F3/124 ,  G06F3/1288 ,  G06K15/1857

    摘要： A multiple raster image processor (RIP) system which enables faster system performance over multiple processors includes a zero RIP feature consisting of a language interpreter sub-RIP that interprets a print instruction file but does not process the graphics rendering steps or the post-language processing operators. The zero RIP discovers page related attributes for individual pages within a multipage job and reports any potential errors or warnings with the file. A thumb RIP consists of a very low resolution RIP that is used specifically for the creation of thumbnail images. A skip RIP interpretes selected pages in a way that skips all or most of the processing for that page. Pages to be skipped are scheduled for a different processor, thereby saving processing time and enabling the provision of a multiple processor RIP. A rules based scheduler on a page/face or machine characteristic basis supports a dynamic assignment and assessment algorithm. Scheduling results in optimum use of available resources and requested print constraints (e.g. constrained time window) and optimum use of system bandwidth (e.g. bandwidth control). Archiving and editing capability enables tagged archiving of jobs or parts of jobs in a post RIPed (i.e. raster) format in a special cache located within the multiRIP system.