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1. 发明授权

US06319647B1 Toner and developer for magnetic brush development system 有权
标题翻译：磁刷开发系统的墨粉和显影剂
公开(公告)号：US06319647B1
公开(公告)日：2001-11-20
申请号：US09520360
申请日：2000-03-07
申请人： Edward J. Gutman , Barbara M. Ferguson
发明人： Edward J. Gutman , Barbara M. Ferguson
IPC分类号： G03G9087
CPC分类号： G03G9/09783 , G03G9/0823 , G03G9/08755 , G03G9/08793 , G03G9/08795 , G03G9/08797 , G03G9/09708 , G03G9/09725 , G03G9/09791
摘要： A toner of toner particles containing at least one binder, at least one colorant, and preferably one or more external additives is advantageously formed into a developer and used in a magnetic brush development system to achieve consistent, high quality copy images. The toner particles, following triboelectric contact with carrier particles, exhibit a charge per particle diameter (Q/D) of from 0.6 to 0.9 fC/&mgr;m and a triboelectric charge of from 20 to 25 &mgr;C/g. The toner particles preferably have an average particle diameter of from 7.8 to 8.3 microns. The toner is combined with carrier particles to achieve a developer, the carrier particles preferably having an average diameter of from 45 to 55 microns and including a core of ferrite substantially free of copper and zinc coated with a coating comprising a polyvinylidenefluoride polymer or copolymer and a polymethyl methacrylate polymer or copolymer.
摘要翻译：有利地，将包含至少一种粘合剂，至少一种着色剂，优选一种或多种外部添加剂的调色剂颗粒的调色剂形成为显影剂，并用于磁刷显影系统中以实现一致的高质量复印图像。与载体颗粒摩擦接触后的调色剂颗粒显示出0.6至0.9fC / mum的每个颗粒直径（Q / D）的电荷和20至25μC/ g的摩擦电荷。调色剂颗粒的平均粒径优选为7.8至8.3微米。调色剂与载体颗粒结合以获得显影剂，载体颗粒优选具有45至55微米的平均直径，并且包括基本上不含铜和锌的铁心，涂覆有包含聚偏二氟乙烯聚合物或共聚物的涂层和聚甲基丙烯酸甲酯聚合物或共聚物。

2. 发明授权

US07667874B2 Method and system for improving print quality 失效
标题翻译：提高打印质量的方法和系统
公开(公告)号：US07667874B2
公开(公告)日：2010-02-23
申请号：US11175591
申请日：2005-07-06
申请人： France M. L. MacDonald , Michael P. Kirby , Susan M. Aurand , Barbara M. Ferguson , Kathleen S. Thomas
发明人： France M. L. MacDonald , Michael P. Kirby , Susan M. Aurand , Barbara M. Ferguson , Kathleen S. Thomas
IPC分类号： H04N1/40
CPC分类号： H04N1/46 , H04N1/6097
摘要： Disclosed herein are methods and systems for improving print quality. In one embodiment, a method of optimizing printer output quality is provided which includes identifying media in at least one media tray, querying a media database for a record corresponding to the identified media, extracting data from a record of identified media, adjusting printer operation based upon the extracted data, and printing on the identified media, wherein the printer operation is adjusted on a page-by-page basis within a single print job. Typical parameters which are adjusted during the print job are the transfer voltages and the volume of toner deposition. In another embodiment, media is assigned to groups based upon its color and print parameters are adjusted as different colors of media are used.
摘要翻译：本文公开了用于提高打印质量的方法和系统。在一个实施例中，提供了一种优化打印机输出质量的方法，其包括识别至少一个媒体托盘中的媒体，向媒体数据库查询与所识别的媒体相对应的记录，从识别的媒体的记录中提取数据，在所提取的数据上，并且在所识别的介质上进行打印，其中在单个打印作业内逐页地调整打印机操作。在打印作业期间调整的典型参数是转印电压和调色剂沉积量。在另一个实施例中，基于其颜色将介质分配给组，并且使用不同颜色的介质来调整打印参数。

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