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    • 4. 发明授权
    • Ionographic color printer with plural print heads removable toner
cartridge and one-time usable polymeric web
    • 具有多个打印头的可拆卸墨粉盒和一次性可用聚合物网的离子色彩打印机
    • US5751329A
    • 1998-05-12
    • US667339
    • 1996-06-20
    • James G. BearssThomas Camis
    • James G. BearssThomas Camis
    • B41J2/415G03G5/02G03G15/01G03G15/32B41J2/385G01D15/06G03G9/08
    • G03G15/0152B41J2/415G03G15/0163G03G15/323G03G5/0202G03G2215/017G03G2215/0629
    • A color printer incorporating the invention hereof includes an ionographic image projection head which employs AC and DC potentials to provide an ion pool from which ions may be projected onto a movable dielectric surface. Plural developer modules are arranged about the dielectric surface, each developer module including an ion imaging head and a color toner module. Each developer module, after ion-beam imaging the movable dielectric surface, develops the charge image on the dielectric surface by bringing it into contact with a single color toner module. A processor controls each ionographic image projection head and each associated toner module to immediately apply the color toner after imaging of the dielectric surface. A transfer station is located downstream from the plural developer modules and enables transfer of the full color toned image from the dielectric surface to a sheet after a single pass of the dielectric surface past the plural developer modules.
    • 结合本发明的彩色打印机包括使用AC和DC电位来提供离子的离子图像投影头,离子池可从该离子池将离子投射到可移动电介质表面上。 多个显影剂模块围绕电介质表面布置,每个显影剂模块包括离子成像头和彩色调色剂模块。 每个显影剂模块在离子束成像可移动电介质表面之后,通过使其与单色调色剂模块接触而在电介质表面上显影电荷图像。 处理器控制每个离子图像投影头和每个相关联的调色剂模块,以在电介质表面成像之后立即施加彩色调色剂。 传送站位于多个显影剂模块的下游,并且能够在通过多个显影剂模块的电介质表面的单次通过之后将全色调色图像从电介质表面传送到片材。
    • 6. 发明授权
    • Image development and transfer apparatus which utilized an intermediate
transfer film
    • 使用中间转印膜的图像显影和转印装置
    • US5291251A
    • 1994-03-01
    • US992394
    • 1992-12-17
    • Chris A. StorlieThomas CamisJames G. Bearss
    • Chris A. StorlieThomas CamisJames G. Bearss
    • G03G15/01G03G15/16G03G15/22G03G15/14
    • G03G15/0152G03G15/0163G03G15/227
    • Image development and transfer apparatus for use in electrophotographic color printers and including a photoconductor, such as either a photoconductive drum or belt, which is spaced from sources of liquid color toners. An intermediate transport film is driven around a section of the photoconductor surface and between this surface and the sources of liquid color toners. Thus, the latent image developed on the surface of the photoconductor is transferred from the surface of the photoconductor to the outer surface of the intermediate transport film where the composite color image is developed. Then, this composite color image is transferred directly onto a print receiving media. Consequently, the photoconductor is not exposed to heat or carrier fluids during the image transfer and development process. This novel feature not only improves overall print quality on the printed media, but additionally extends the useful lifetime of the photoconductor. In a preferred embodiment of the invention, the intermediate transfer film is passed into contact with a conditioning squeegee roller of a selected material during each pass around the photoconductor in order to compress the developed image on the film and enhance the image quality thereof. Also, in a preferred embodiment of the invention, the intermediate transfer film comprises a first main layer of a polyester material and a thin outer release layer of either a fluorosilicon material or a cross-linked siloxane material.
    • 用于电子照相彩色打印机的图像显影和转印装置,并且包括与液态色调剂源分开的光电导体,例如感光鼓或带。 中间输送膜围绕感光体表面的一部分并且在该表面和液体色调剂源之间驱动。 因此,在光电导体的表面上显影的潜像从感光体的表面转印到显影复合彩色图像的中间转印膜的外表面。 然后,将该复合彩色图像直接转印到打印接收介质上。 因此,在图像转印和显影过程中,光电导体不暴露于热或载流体。 这种新颖特征不仅提高了印刷媒体上的整体打印质量,而且还延长了感光体的使用寿命。 在本发明的优选实施例中,在围绕光电导体的每次通过期间,中间转印膜与选定材料的调理刮板辊接触,以压缩胶片上的显影图像并增强其图像质量。 此外,在本发明的优选实施方案中,中间转印膜包括聚酯材料的第一主层和氟硅材料或交联的硅氧烷材料的薄的外释放层。
    • 7. 发明授权
    • Ink-jet ink for plain paper printing
    • 用于普通纸打印的喷墨墨水
    • US4791165A
    • 1988-12-13
    • US28021
    • 1987-03-16
    • James G. BearssKenneth A. Norton
    • James G. BearssKenneth A. Norton
    • C09D11/00C08L39/00
    • C09D11/30
    • An ink composition is provided for an ink-jet printer, preferably a thermal ink-jet printer. The composition comprises about 5 to 40 wt % glycol, about 60 to 90 wt % water, about 0.001 to 10 wt % polymer blend and about 1 to 7 wt % dye. The polymer blend includes both uncharged and charged monomeric units.The glycol and polymer blend act to form a soft plug that forms in the orifice of the ink-jet pen. The soft plug prevents further evaporaion of water, but unlike a hard plug, is readily blown out upon firing. The charged units in the polymer blend contribute to water fastness and light fastness of the dye on paper. Further, by employing appropriate functional groups in the polymer blend, chemical degradation of the ink dye can be retarded on acid or alkaline papers.
    • 为喷墨打印机提供油墨组合物,优选为热喷墨打印机。 该组合物包含约5至40重量%的二醇,约60至90重量%的水,约0.001至10重量%的聚合物共混物和约1至7重量%的染料。 聚合物共混物包括不带电和带电的单体单元。 二醇和聚合物共混物起到形成在喷墨笔的孔口中的软塞子的作用。 软塞防止水的进一步蒸发,但与硬塞不同,在烧制时容易吹出。 聚合物共混物中的带电单位有助于染色剂在纸上的耐水牢度和耐光性。 此外,通过在聚合物共混物中使用适当的官能团,油墨染料的化学降解可以在酸性或碱性纸上延迟。
    • 8. 发明授权
    • Programmable mapping of lower resolution digital data to a higher resolution for output on a lower resolution device
    • 将较低分辨率数字数据的可编程映射更高分辨率,以便在较低分辨率的设备上输出
    • US06678426B1
    • 2004-01-13
    • US09047315
    • 1998-03-24
    • James G. BearssEugene A. RoylanceWayne E. BradburnArlin R. Jones
    • James G. BearssEugene A. RoylanceWayne E. BradburnArlin R. Jones
    • G06K932
    • G06K15/02G06K15/1874G06K2215/0071
    • Lower resolution source data is synthesized to a higher resolution format for subsequent rendering on a lower resolution output device. Synthesis occurs by selecting or generating and using a synthesis template that represents a configuration of a plurality of pixel data in the higher resolution format into which the lower resolution source data is to be synthesized. A working or active pixel is identified from the lower resolution source data, a synthesis template is selected, and then the synthesis template pixel data is substituted for the working pixel for rendering on the output device. The synthesized higher resolution data is rendered in a manner such that dots represented by the synthesized data are formed interstitially relative to scan lines of the given lower raster/resolution capability of the output device. The working pixel is identified in the lower resolution data by recognizing a configuration of a plurality of pixel data adjacent the working pixel. The synthesis template comprises at least a two by two cell matrix for pixel placement in the higher resolution format. The synthesis template pixel placement is formed to provide an apparent merge of the pixel data in the higher resolution format with the adjacent pixel data of the lower resolution format data.
    • 较低分辨率的源数据被合成为较高分辨率的格式,用于在较低分辨率的输出设备上进行后续渲染。 通过选择或生成和使用表示要合成较低分辨率源数据的较高分辨率格式的多个像素数据的配置的合成模板进行合成。 从较低分辨率源数据识别工作或活动像素,选择合成模板,然后将合成模板像素数据替换为用于在输出设备上呈现的工作像素。 合成的较高分辨率数据以使得由合成数据表示的点相对于输出装置的给定较低光栅/分辨能力的扫描线在间隙形成的方式呈现。 通过识别与工作像素相邻的多个像素数据的配置,在较低分辨率数据中识别工作像素。 合成模板包括至少两个两个单元矩阵,用于以较高分辨率格式放置像素。 形成合成模板像素布置以提供较高分辨率格式的像素数据与较低分辨率格式数据的相邻像素数据的明显合并。
    • 9. 发明授权
    • Chelating negative charge director for liquid electrographic toner
    • 液体电摄影调色剂的螯合负电荷导向器
    • US5393635A
    • 1995-02-28
    • US99021
    • 1993-07-28
    • Dale D. RussellJames G. Bearss
    • Dale D. RussellJames G. Bearss
    • G03G9/12G03G9/13G03G9/135
    • G03G9/13G03G9/135G03G9/1355
    • The invention is a negative charge director for liquid electrographic toners. The charge director comprises a very weakly associating, charged functional group covalently bonded in the resin coating of the toner particle, and a very strongly chelating, preferably neutrally charged, molecule dispersed in the liquid phase to achieve charge separation. The weak association site on the resin is prepared, via well-known ion-exchange chemistry, in the metal form desired. Preferred metals are those with no regulatory, health or environmental issues, such as K+, Na+, Ca.sup.2+, Al.sup.3+, Zn.sup.2+, Zr.sup.4+, Mg.sup.2+, ammonium (NH.sub.4 +), and organic cations.The cation-associated resin is brought into dispersion with the solution phase chelating molecule. When this is done, the equilibria that compete for the cation are such that it is released from the resin and bound in the chelate. The toner particle is left with a net negative charge which is permanent, but which is balanced by an equal, opposite charge on the chelated cationic species in the continuous phase. Preferably, there are no other sources of charge in the dispersion, and there is no excess of charge carriers in the continuous phase which would interfere with development.
    • 本发明是液体电摄像调色剂的负电荷导向器。 电荷导向剂包括共价结合在调色剂颗粒的树脂涂层中的非常弱缔合的带电官能团,以及分散在液相中非常强的螯合,优选中性带电的分子以实现电荷分离。 通过众所周知的离子交换化学,以所需的金属形式制备树脂上的弱缔合位点。 优选的金属是没有调节,健康或环境问题的金属,如K +,Na +,Ca2 +,Al3 +,Zn2 +,Zr4 +,Mg2 +,铵(NH4 +)和有机阳离子。 将阳离子相关树脂与溶液相螯合分子分散。 当这样做时,竞争阳离子的平衡使其从树脂中释放并结合在螯合物中。 剩余的调色剂颗粒具有永久性的净负电荷,但在连续相中的螯合阳离子物质上由相等的相反电荷平衡。 优选地,在分散体中不存在其它电荷源,并且在连续相中不会导致过量的电荷载体干扰显影。