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    • 1. 发明授权
    • Printhead structure for improved dot size control in direct
electrostatic image recording devices
    • 用于改进直接静电图像记录装置中的点尺寸控制的打印头结构
    • US6011944A
    • 2000-01-04
    • US757972
    • 1996-12-05
    • Daniel Nilsson
    • Daniel Nilsson
    • B41J2/385B41J2/415G03G15/08
    • B41J2/4155G03G2217/0025
    • A printhead structure for a direct electrostatic printing device selectively conveys a stream of charged toner particles from a particle source directly onto an image receiving substrate. The printhead structure includes an electrode plate having openings which surround the apertures. A voltage applied to the electrode plate causes a converging electric field to applied to the toner particles passing through the apertures. The converging electric field causes the toner particles to converge toward respective central axes of the apertures to thereby focus the stream of toner particles. The focusing of the toner particles considerably reduces the dot sizes on the printed image. The use of the printhead structure results in increased print resolution and improved image quality.
    • 用于直接静电印刷装置的打印头结构选择性地将来自粒子源的带电调色剂颗粒流直接传送到图像接收基板上。 打印头结构包括具有围绕孔的开口的电极板。 施加到电极板的电压使会聚电场施加到通过孔的调色剂颗粒。 会聚电场导致调色剂颗粒朝向孔的相应中心轴线会聚,从而聚焦调色剂颗粒流。 调色剂颗粒的聚焦显着地减少了打印图像上的点尺寸。 使用打印头结构可以提高打印分辨率和提高图像质量。
    • 2. 发明授权
    • Direct printing method with improved control function
    • 直接打印方式具有改进的控制功能
    • US06176568B1
    • 2001-01-23
    • US09409271
    • 1999-09-30
    • Daniel Nilsson
    • Daniel Nilsson
    • B41J206
    • G03G15/346B41J2/4155
    • The present invention relates to a direct electrostatic printing method, in which a stream of computer generated signals, defining an image information, are converted to a pattern of electrostatic fields which selectively permit or restrict the transport of charged toner particles from a particle source toward a back electrode and control the deposition of those charged toner particles in an image configuration onto an image receiving medium. Particularly, the present invention refers to a direct electrostatic printing method performed in consecutive print cycles, each of which includes at least one development period (tb) and at least one recovering period (tw) subsequent to each development period (tb), wherein the pattern of electrostatic fields is produced during at least a part of each development period (tb) to selectively permit or restrict the transport of charged toner particles from a particle source toward a back electrode, and an electric field is produced during at least a part of each recovering period (tw) to repel a part of the transported charged toner particles back toward the particle source.
    • 本发明涉及一种直接静电印刷方法,其中定义图像信息的计算机产生的信号流被转换成静电场的图案,其选择性地允许或限制带电调色剂颗粒从粒子源向着 并控制将图像配置中的带电调色剂颗粒沉积到图像接收介质上。 特别地,本发明涉及在连续的印刷周期中执行的直接静电印刷方法,其中每一个包括在每个显影周期(tb)之后的至少一个显影周期(tb)和至少一个回收周期(tw),其中 在每个显影周期(tb)的至少一部分期间产生静电场的图案,以选择性地允许或限制带电的调色剂颗粒从颗粒源向背电极的输送,并且在至少一部分 每个回收期(tw)将一部分运送的带电荷的调色剂颗粒排斥回到颗粒源。
    • 9. 发明授权
    • Leak sensor
    • 泄漏传感器
    • US08398603B2
    • 2013-03-19
    • US12224507
    • 2007-02-20
    • Carsten ThirstrupDaniel NilssonHenrik PranovLars Lading
    • Carsten ThirstrupDaniel NilssonHenrik PranovLars Lading
    • A61M1/00
    • A61F5/443A61B5/746A61F5/4404A61F5/445A61F13/00051A61F13/02A61F13/0246A61F13/42
    • The present invention relates to a method and dressing for detecting detachment of the dressing, which is applied to a surface of an at least partly electrically conductive object. The dressing comprises an adhesive for attaching the dressing to the electrically conductive object and at least two electrodes arranged in a distance from the electrically conductive object. A voltage is applied to the first and second electrode establishing an electrical circuit comprising a first capacitor between the first electrode and the electrically conductive object and a second capacitor between the second electrode and the electrically conductive object. Changes of the capacitance between at least one of the first and the second electrode and the electrically conductive object are detected, and an alarm is activated when the changes of the capacitance reach a predetermined value. This advantageously provides a method whereby a leak can be detected quickly. Furthermore, this advantageously provides a leak sensor with no direct physical or mechanical contact between the electrically conductive object, e.g. the skin, and the electrodes. This provides for a dressing comprising a leak sensor without compromising the comfort of the user.
    • 本发明涉及一种用于检测敷料剥离的方法和敷料,其应用于至少部分导电物体的表面。 敷料包括用于将敷料附着到导电物体的粘合剂和与导电物体相距一定距离布置的至少两个电极。 向第一和第二电极施加电压,建立包括在第一电极和导电物体之间的第一电容器和在第二电极和导电物体之间的第二电容器的电路。 检测第一和第二电极和导电物体中的至少一个之间的电容的变化,并且当电容的变化达到预定值时,激活警报。 这有利地提供了可以快速检测泄漏的方法。 此外,这有利地提供了在导电物体之间没有直接物理或机械接触的泄漏传感器,例如, 皮肤和电极。 这提供了包括泄漏传感器的敷料,而不损害使用者的舒适度。