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    • 33. 发明申请
    • Densitometer with improved accuracy
    • 密度计,精度提高
    • US20030038942A1
    • 2003-02-27
    • US09883018
    • 2001-06-15
    • NexPress Solutions LLC
    • William A. HameisterBradley A. TwaitRichard G. AllenMatthias H. Regelsberger
    • G01N021/55
    • G01N21/5907
    • A method and apparatus for preventing voltage swings within device outputs from reading output node where swings in excess of certain voltages can harm electronics attached to the output node. Specifically, output swings from devices performing logarithmic operations are prevented from reaching the input of an A/D converter, thereby protecting the A/D converter from the large swings possible in logarithmic outputs. A comparator circuit compares the output from the logarithmic amplifier against a threshold and engages the switching mechanism once the threshold is reached. Once the switching mechanism is engaged it applies a predetermined voltage to the output node in place of the true output voltage from the logarithmic amplifier.
    • 一种用于防止来自读出输出节点的装置输出内的电压摆幅的方法和装置,其中超过一定电压的摆动可能损害连接到输出节点的电子装置。 具体地说,防止来自执行对数运算的装置的输出摆幅达到A / D转换器的输入,从而保护A / D转换器不受对数输出的大幅摆动。 比较器电路将对数放大器的输出与阈值进行比较,一旦达到阈值就与开关机构接合。 一旦切换机构被接合,则将代替来自对数放大器的真实输出电压的预定电压施加到输出节点。
    • 34. 发明申请
    • Current regulated voltage limited high voltage power supply for corona charger
    • 用于电晕充电器的电流调节电压限制高压电源
    • US20020191357A1
    • 2002-12-19
    • US09866182
    • 2001-05-25
    • NexPress Solutions LLC
    • Andreas DickhoffCharles H. Hasenauer
    • H02H007/00
    • G03G15/0283G05F1/12H01T19/00
    • A method and apparatus for provision of a power supply that combines the advantages of current regulation with voltage limitation to enable corona chargers that can be run at higher current regulated set points for lower resistance sheets. The voltage limit will protect against arcing when high resistance media is used. This wider operation window can be provided without the need to track sheet types in the process and shift the operating set points, which would result in much more complicated machine control algorithms. The regulation and limit reference controls retain the ability of changing the operating set points of the power supply, such that it can be adapted to alternate physical configurations of the discharging system and the printing system.
    • 一种用于提供电源的方法和装置,其将电流调节的优点与电压限制相组合,以使电晕充电器能够在较低电阻值的较高电流调节设定点运行。 当使用高电阻介质时,电压限制将防止电弧。 可以提供这种更宽的操作窗口,而不需要在过程中跟踪纸张类型并移动操作设定点,这将导致更复杂的机器控制算法。 调节和限制参考控制器保持改变电源的操作设定点的能力,使得其可以适应排放系统和打印系统的交替物理配置。
    • 35. 发明申请
    • Coarse and fine electronic bow correction for a writer
    • 作者的粗略和精细的电子弓校正
    • US20020191068A1
    • 2002-12-19
    • US09870305
    • 2001-05-30
    • NexPress Solutions LLC
    • Shawn E. O'HaraWilliam L. ChapmanYee S. Ng
    • B41J002/435
    • G06K15/1247
    • A method and apparatus for increasing the linearity of elements within a printhead by applying a coarse electronic adjustment to rearrange the electronic printing of data into the proper pixel line and then applying a fine electronic adjustment to reduce the bow error to fraction of a pixel line. Delays of exposure control signals are used by the fine electronic adjustment to correct linearity by a fraction of a pixel line. The delays can be repeated to multiply the number of delays available and increase the linearity resolution. The delays can also be averaged between odd and even rows of elements to increase apparent resolution. The first embodiment employs digital circuitry to provide the fine adjustment of pixel data that is partially located on the interface board and partially located on the printhead substrate. This reduces the amount of circuitry placed within the ASICs on the printhead substrate. The fine adjustment circuitry of first embodiment provides multiple signals on a single circuit trace between the interface board and the printhead substrate, where each of the multiple signals is active at different times. The second embodiment places all the fine electronic adjustment onto the ASICs within the printhead substrate resulting in fewer interconnects between the interface board and the printhead substrate than the first embodiment.
    • 一种用于通过应用粗略的电子调整来将数据的电子打印重新排列到适当的像素线中,然后应用精细的电子调整以将弓形误差减小到像素线的分数来增加打印头内的元件线性的方法和装置。 曝光控制信号的延迟通过精细电子调整来使用像素线的一部分来校正线性度。 可以重复延迟以乘以可用延迟的数量并增加线性度分辨率。 也可以在奇数行和偶数行之间对延迟进行平均以增加表观分辨率。 第一实施例采用数字电路来提供部分位于接口板上且部分位于打印头基板上的像素数据的精细调整。 这减少了放置在打印头基板上的ASIC内的电路的数量。 第一实施例的微调电路在接口板和打印头基板之间的单个电路迹线上提供多个信号,其中多个信号中的每一个在不同时间处于活动状态。 第二实施例将所有精细电子调整放置在打印头基板内的ASIC上,导致接口板和打印头基板之间的互连比第一实施例更少。
    • 37. 发明申请
    • Method and apparatus for correcting register faults in a printing machine
    • 用于校正印刷机中的记录故障的方法和装置
    • US20010050010A1
    • 2001-12-13
    • US09859845
    • 2001-05-17
    • NexPress Solutions LLC
    • Donald BuchHeiko HunoldMichael KowalczykChristopher ListonPatrick MetzlerRobert PefferKarlheinz Walter PeterJohn Robert Thompson
    • B41M001/14
    • G03G15/0194G03G2215/0119G03G2215/0161
    • The invention relates to a method and apparatus for correcting register faults in a multicolor printing machine (1) having a number of items of equipment (2,2null, . . . ) for the digital production of color separations (3,3null, . . . ), correction values being determined and assigned to the angular positions (4,4null, . . . ) of at least one image cylinder (5,5null, . . . ) and, as a result, being taken into account for the control of the production of the color separations (3,3null, . . . ) on said image cylinder. By means of the invention, correction values are to be made available for the correction of register faults, which, with a fine graduation, make it possible to assign them to angular positions of machine elements in a repeatable way. This is achieved by circularity errors (6,6null, . . . ; 8,8null, . . . ; 9) of machine elements (5,5null, . . . ; 7,7null, . . . ; 10) which have an influence on the register being determined, assigned to their angular positions (4,4null, . . . ; 13,13null, . . . ; 14) and, from these, the correction values for the control of the production of the color separations (3,3null, . . . ) on the at least one image cylinder (5,5null, . . . ) being determined.
    • 本发明涉及一种用于校正多色打印机(1)中的记录故障的方法和装置,该多色打印机具有多个用于数字制作分色(3,3',...)的设备(2,2',...) ...),校正值被确定并分配给至少一个图像滚筒(5,5',...)的角度位置(4,4',...),并且因此被带入 用于控制在所述图像柱上的分色(3,3',...)的生产。 通过本发明,校正值将被用于校正寄存器故障,其中精确的刻度使得可以以可重复的方式将它们分配给机器元件的角位置。 这是通过机器元件(5,5',...,7,7',...,10的圆形误差(6,6',...,8,8',... 9)实现的 ),它们被分配给它们的角位置(4,4',...,13,13',...,14),并且由此确定了用于控制 在所确定的至少一个图像气缸(5,5',...)上产生分色(3,3',...)。
    • 38. 发明申请
    • Method and apparatus for moving a drum into a nip
    • 将滚筒移动到辊隙中的方法和装置
    • US20010043819A1
    • 2001-11-22
    • US09885573
    • 2001-06-20
    • NexPress Solutions LLC
    • Randall J. TaylorAndreas G. NagyDonald C. BuchJeffrey A. Pitas
    • G03G015/01
    • G03G15/1605G03G2215/0119
    • In a printing apparatus a method and apparatus for applying a loading force to a first roller assembly to move a first roller of the first roller assembly into nip engagement with a second roller of a second roller assembly, the first roller assembly having a first fiducial element for locating the first roller and the second roller assembly having a second fiducial element complementary to the first fiducial element for locating the second roller, the first roller assembly being supported by a hook and pin connection engagement that supports a carriage, which carriage supports the first roller assembly for rotation about an axis external to the first roller. Upon applying of a loading force to the first roller assembly along a line which in a planar diagram of the first roller and load force passes between the center of gravity of the combination of the first roller assembly and the carriage and the first fiducial element to create a moment about the axis so that the carriage and the first roller assembly rotate together toward contact of the first fiducial element with the second fiducial element; and upon continuing to apply the loading force, the first fiducial element and the second fiducial element are moved to nest together with the hook and pin arrangement being clear of engagement.
    • 在打印设备中,一种将加载力施加到第一辊组件以将第一辊组件的第一辊移动成与第二辊组件的第二辊咬合接合的方法和装置,第一辊组件具有第一基准元件 为了定位第一辊和第二辊组件,具有与第一基准元件互补的第二基准元件,用于定位第二辊,第一辊组件由支撑滑架的钩和销连接接合支撑,该滑架支撑第一辊 辊组件用于围绕第一辊外部的轴线旋转。 沿着第一辊的平面图和载荷力在第一辊组件和托架的组合的重心之间通过的线沿着第一辊组件施加加载力并且产生第一基准元件 围绕所述轴的时刻,使得所述托架和所述第一辊组件一起转动,以将所述第一基准元件与所述第二基准元件接触; 并且在继续施加加载力时,第一基准元件和第二基准元件被移动以与钩和销布置一起嵌套,以避免接合。
    • 40. 发明申请
    • Two-stage milling process for preparing cocrystals of titanyl fluorophthalocyanine and titanyl phthalocyanine, and electrophotographic element containing same
    • 用于制备钛氧基酞菁和氧钛酞菁的共晶的两阶段研磨方法和含有它们的电子照相元件
    • US20040106053A1
    • 2004-06-03
    • US10655388
    • 2003-09-04
    • NexPress Solutions LLC
    • Michel F. MolaireJeanne E. KaedingTheodore Zubil
    • G03G015/02C09B067/04C09B067/50
    • C09B67/0035G03G5/0696
    • An amorphous mixture consisting essentially of TiOFPc and TiOPc and containing more than 75 weight percent of substantially chlorine-free TiOPc is produced by forming a mixture of crude crystalline TiOFPc and crude crystalline, substantially chlorine-free TiOPc that contains less than 80 weight percent TiOPc, treating the mixture under conditions effective to form a substantially amorphous mixture of TiOFPc and TiOPc containing less than 75 weight percent TiOPc, which is then treated with water, and dried. A further amount of crude crystalline, substantially chlorine-free TiOPc sufficient to form a new mixture containing more than 75 weight percent of substantially chlorine-free TiOPc is added, and the new mixture is converted to a substantially amorphous mixture of TiOFPc and TiOPc. A nanoparticulate cocrystalline composition is obtained by forming a slurry in an organic solvent of the dried substantially amorphous mixture, and wet milling the slurry to form the cocrystalline composition.
    • 通过形成粗结晶TiOFPc和含有少于80重量%TiOPc的粗结晶,基本上无氯的TiOPc的混合物,生成基本上由TiOFPc和TiOPc组成并且含有大于75重量%的基本上无氯的TiOPc的无定形混合物, 在有效形成含有小于75重量%TiOPc的TiOFPc和TiOPc的基本无定形混合物的条件下处理混合物,然后用水处理,并干燥。 加入足量形成含有超过75重量%基本上无氯TiOPc的新混合物的粗结晶,基本上无氯的TiOPc,并将新混合物转化为基本上无定形的TiOFPc和TiOPc混合物。 通过在干燥的基本无定形混合物的有机溶剂中形成浆料,并湿法研磨浆料以形成共晶组合物,获得纳米颗粒共晶组合物。