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    • 42. 发明授权
    • Wire-less hybrid scavengeless development system
    • 无线混合扫描开发系统
    • US06223013B1
    • 2001-04-24
    • US09211264
    • 1998-12-14
    • Elliott A. EklundYelena ShapiroDan A. HaysJohn F. Knapp
    • Elliott A. EklundYelena ShapiroDan A. HaysJohn F. Knapp
    • G03G1508
    • G03G15/0803G03G2215/0621G03G2215/0634
    • An apparatus for developing a latent image recorded on an imaging surface, including a housing defining a reservoir storing a supply of developer material including toner. A donor member is spaced from the imaging surface, for transporting toner on an outer surface of the donor member to a region opposed from the imaging surface. A mag roll loads toner onto a region of the outer surface of the donor member. A charging device ion charges the toner loaded on the region of the donor member. An AC/DC voltage supply for biasing the donor member positioned in close proximity to the imaging member to detach toner from the donor member as to form a toner cloud for developing the latent image. A second charging device discharges and removes residual toner on the region of the donor and returning the toner to the reservoir.
    • 一种用于显影记录在成像表面上的潜像的装置,包括限定存储包含调色剂的显影剂材料供应的储存器的壳体。 供体构件与成像表面间隔开,用于将供体构件的外表面上的调色剂输送到与成像表面相对的区域。 磁辊将调色剂负载到供体构件的外表面的区域上。 充电装置离子对装载在供体构件的区域上的调色剂进行充电。 一种AC / DC电压源,用于偏置定位在成像构件附近的施主构件,以从供体构件上分离调色剂,以形成用于显影潜像的调色剂云。 第二充电装置排出并去除供体区域上的残留调色剂并将调色剂返回到储存器。
    • 43. 发明授权
    • Low-Friction single component development apparatus
    • 低摩擦单组分开发设备
    • US06208825B1
    • 2001-03-27
    • US09465850
    • 1999-12-17
    • Dan A. Hays
    • Dan A. Hays
    • G03G1508
    • G03G15/0803G03G2215/0621G03G2215/0651
    • A low-friction single component development apparatus for developing electrostatic latent images on an image bearing surface is provided. It includes a sump containing a supply of developer material particles; a moveable donor member assembly including a donor member for transporting developer material particles through a development zone; a first combination of AC and DC biases for charging developer material particles in the sump resulting in charged developer material particles having a desired polarity and charge distribution; a second combination of AC and DC biases for providing fringe electric fields for depositing particles of the charged developer material particles onto the donor member; devices for forming a developer material cloud within the development zone for image development; and an electrostatic filtering zone located upstream of the development zone for electrostatically removing wrong-sign charged developer material particles from the donor member.
    • 提供了用于在图像承载表面上显影静电潜像的低摩擦单组分显影设备。 它包括一个含有显影剂材料颗粒供应的贮槽; 可移动的供体构件组件,其包括用于将显影剂材料颗粒输送通过显影区的供体构件; 用于向贮槽中的显影剂材料颗粒充电的AC和DC偏压的第一组合,导致具有所需极性和电荷分布的带电显影剂材料颗粒; AC和DC偏压的第二组合,用于提供用于将带电显影剂材料颗粒的颗粒沉积到供体构件上的边缘电场; 用于在图像开发开发区内形成显影剂材料云的装置; 以及位于显影区上游的静电过滤区,用于从供体构件静电除去带错误的带电显影剂材料颗粒。
    • 44. 发明授权
    • Development system
    • 开发体系
    • US5734955A
    • 1998-03-31
    • US716076
    • 1996-09-16
    • Robert J. GruberDan A. Hays
    • Robert J. GruberDan A. Hays
    • B41J2/525G03G15/08
    • G03G15/0808G03G15/0803G03G15/0887G03G2215/0174G03G2215/0621G03G2215/0651
    • An apparatus for developing a latent image recorded on a surface, including a housing defining a chamber storing a supply of toner. A toner donor member is spaced from the image bearing surface and adapted to transport toner to a region opposed from the surface. A charging device is disposed in the chamber for ion charging the toner. An air injection system fluidizes the toner in the chamber. The injection system and a transport member cooperate with one another to define a region wherein a substantially constant quantity of toner having a substantially constant ion charge is deposited on the transport member. The toner is electrostatically transferred from the transport member to the donor member which contains interdigitated electrodes positioned near the surface of a dielectric core roll. An AC voltage is applied between the interdigitated electrodes to detach toner from the donor member so as to form a toner cloud for developing the latent image in an image on image process.
    • 一种用于显影记录在表面上的潜像的装置,包括限定容纳调色剂供应的腔室的壳体。 调色剂供体构件与图像承载表面间隔开并且适于将调色剂输送到与表面相对的区域。 充电装置设置在室中用于使调色剂离子充电。 空气注射系统使腔室中的调色剂流化。 注射系统和输送构件彼此配合以限定其中基本上恒定量的具有基本上恒定的离子电荷的调色剂沉积在输送构件上的区域。 调色剂从输送构件静电转移到施主构件,该施主构件包含位于介质芯辊表面附近的叉指电极。 在交叉电极之间施加AC电压,以从供体构件上分离调色剂,以形成用于在图像处理中的图像中显影潜像的调色剂云。
    • 48. 发明授权
    • Method and apparatus for creating contrasting images at substantially
full contrast voltage
    • 用于以基本上全对比度电压产生对比图像的方法和装置
    • US4913348A
    • 1990-04-03
    • US288319
    • 1988-12-22
    • Dan A. Hays
    • Dan A. Hays
    • G03G15/01
    • G03G15/0126G03G15/0121
    • An electrostatic charge pattern is formed on a charge retentive surface. The charge pattern comprises charged image areas and discharged background areas. The fully charged image areas are at a voltage level of approximately -500 volts and the background is at a voltage level of approximately -100 volts. A spatial portion of the image area is used to form a first image with a narrow development zone while other spatial portions are used to form other images which are distinct from the first image in some physical property such as color or magnetic state. The development is rapidly turned on and off by a combination of AC and DC electrical switching. Thus, high spatial resolution multi-color development in the process direction can be obtained in a single pass of the charge retentive surface through the processing stations of a copying or printing apparatus. Also, since the voltages representing all images are at the same voltage polarity unipolar toner can be employed.In order to effect development of all images with a unipolar toner, each of the development system structures is capable of selective actuation without physical movement.
    • 49. 发明授权
    • Apparatus, process for removal of toner particles
    • 装置,去除调色剂颗粒的方法
    • US4428665A
    • 1984-01-31
    • US318884
    • 1981-11-06
    • Dan A. Hays
    • Dan A. Hays
    • G03G21/10G03G21/00
    • B82Y15/00G03G21/0047G03G2221/0005
    • The present invention is directed to a process and an improved apparatus for simultaneously removing and transporting undesirable residual insulating toner particles from a flexible imaging member comprising in operative relationship, a cleaning roll means containing on its surface insulating carrier particles, said cleaning roll being charged to a predetermined potential, a deflected flexible imaging member means containing residual insulating toner particles thereon, a cleaning zone encompassed by and situated between said cleaning roll means and said deflected flexible imaging member means, magnet means contained in the cleaning roll means, and magnetic strips contained in the outer periphery of said cleaning roll means.
    • 本发明涉及一种工艺和改进的装置,用于从包括操作关系的柔性成像构件同时移除和输送不期望的残留绝缘调色剂颗粒,清洁辊装置在其表面上包含绝缘载体颗粒,所述清洁辊被装入 预定电位,偏转的柔性成像构件装置,其上包含残留的绝缘调色剂颗粒,由所述清洁辊装置和所述偏转的柔性成像构件装置包围并位于所述清洁辊装置之间的清洁区域,包含在清洁辊装置中的磁性装置和包含的磁条 在所述清洁辊装置的外周。
    • 50. 发明授权
    • Non-interactive electrostatic deposition of induction charged conductive powder
    • 感应带电导电粉末的非交互式静电沉积
    • US08062713B2
    • 2011-11-22
    • US12592917
    • 2009-12-04
    • Dan A. HaysPeter J. MasonJames Mason
    • Dan A. HaysPeter J. MasonJames Mason
    • B05D1/06
    • H01M4/04H01M4/139H01M4/88
    • A method for manufacturing electrodes using an electrostatic deposition unit. In the first step of the process a mixture of magnetic carrier beads and a conductive powder is prepared in the sump of the deposition unit; the mixture forms a magnetic brush on the sleeve of the deposition unit. In the second step of the process, the substrate is positioned away from the magnetic brush to form an air gap. In the third step of the process, a voltage is applied between the substrate and the sleeve of the deposition unit in order to produce a large asymmetry between the magnetic brush and said substrate such that the electric field at the magnetic brush is at least 3.0 times as great as the electric field at the substrate. In the fourth step of the process, conductive powder is deposited onto the substrate.
    • 一种使用静电沉积单元制造电极的方法。 在该方法的第一步中,在沉积单元的贮槽中制备磁性载体珠粒和导电粉末的混合物; 混合物在沉积单元的套筒上形成磁刷。 在该过程的第二步骤中,将衬底定位成远离磁刷形成气隙。 在该过程的第三步骤中,在衬底和沉积单元的套筒之间施加电压,以便在磁刷和所述衬底之间产生大的不对称性,使得磁刷上的电场至少为3.0倍 与基板上的电场一样大。 在该方法的第四步中,将导电粉末沉积到基底上。