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    • 1. 发明授权
    • Matrix addressable array for digital xerography
    • 用于数字静电复印的矩阵可寻址阵列
    • US6100909A
    • 2000-08-08
    • US32923
    • 1998-03-02
    • Werner E. HaasJoel A. Kubby
    • Werner E. HaasJoel A. Kubby
    • G03G15/05B41J2/39B41J2/52G03G15/32B41J2/395
    • B41J2/52B41J2/39G03G15/321
    • An apparatus for forming an image comprising a substrate with a plurality of high voltage transistors on the substrate. The transistors include a source electrode, a drain electrode and a gate electrode. Each transistor switches a marking potential of several hundred volts between the source and drain by a gate potential of at least an order of magnitude lower than the source to drain potential. There are a plurality of high voltage capacitors on the substrate. One of each capacitor is connected to one of the drain electrodes and each capacitor stores a charge potential approximately equal to the marking potential. The charge potential on each capacitor controls the forming of the image. A first data input on the substrate selectively loads a gate potential on gate the electrodes. A second data input located on the periphery of the substrate selectively loads a source potential on the source electrodes. The high voltage capacitors, the high voltage transistors, and the first data input are thin film elements integrally formed on the substrate.
    • 一种用于形成图像的装置,包括在基板上具有多个高压晶体管的基板。 晶体管包括源电极,漏电极和栅电极。 每个晶体管在源极和漏极之间切换数百伏特的标记电位,栅极电位比源极/漏极电位低至少一个数量级。 基板上有多个高电压电容器。 每个电容器中的一个连接到一个漏极电极,并且每个电容器存储大约等于标记电位的电荷电位。 每个电容器上的电荷电位控制图像的形成。 衬底上的第一数据输入选择性地加载栅电极上的栅极电位。 位于基板周围的第二数据输入选择性地加载源极电极上的源极电位。 高电压电容器,高压晶体管和第一数据输入是在基板上一体形成的薄膜元件。
    • 5. 发明授权
    • Color printer
    • 彩色打印机
    • US5408299A
    • 1995-04-18
    • US141370
    • 1993-10-28
    • Werner E. Haas
    • Werner E. Haas
    • G03G15/01G03G15/10
    • G03G15/101G03G15/0121
    • A printing machine in which a recording medium has a latent image recorded thereon. A housing stores a supply of liquid developer material therein. The housing is operatively associated with a donor member for substantially uniformly coating liquid developer material thereon. The donor member is spaced from the recording medium. As the donor member moves, it transports the developer material to a development zone wherein the latent image recorded on the recording medium attracts at least the toner thereto to form a developed image thereon. A multicolor image may be formed by repeating this process for different developer materials.
    • 一种其中记录有记录介质的潜像的印刷机。 外壳在其中存储液体显影剂材料供应。 壳体与供体构件可操作地相关联,用于在其上基本均匀地涂覆液体显影剂材料。 供体构件与记录介质间隔开。 当供体构件移动时,其将显影剂材料运送到显影区,其中记录在记录介质上的潜像至少吸引其上的调色剂以在其上形成显影图像。 可以通过对不同的显影剂材料重复该方法来形成多色图像。
    • 9. 发明授权
    • Liquid crystal dynamic attenuator for laser printers
    • 激光打印机液晶动态衰减器
    • US4920364A
    • 1990-04-24
    • US349667
    • 1989-05-10
    • John R. AndrewsWerner E. HaasJean-Michel Guerin
    • John R. AndrewsWerner E. HaasJean-Michel Guerin
    • G02B26/10B41J2/44G02F1/13G02F1/133G06K15/12H04N1/113
    • G06K15/1214G02F1/13318G02F2203/48
    • A variable attenuator for controlling scanning beam intensity having a twisted nematic liquid crystal for rotating the beam, a polarization analyzer for detecting the degree of alteration in the polarization of the beam by the crystal comprising a polarizing beam splitting plate separating the beam into primary and secondary beams, a photocell providing a signal reflecting the intensity of the secondary beam, a control for adjusting power to the crystal in response to the signal, a glass plate at an angle of incidence equal to but opposite from that of the beam splitting plate for correcting aberrations to the primary beam, and an anti-reflective coating on the optical surfaces of the crystal.In a second embodiment, the plates are replaced by a polarizing cube. In a third embodiment, to obviate fluctuations in the attenuator output, the glass plate instead serves as the source of the beam component to the photocell.
    • 一种用于控制具有用于旋转光束的扭转向列型液晶的扫描光束强度的可变衰减器,用于检测由包括将光束分成初级和次级的偏振分束板的晶体的偏振变化程度的偏振分析器 光束,提供反映次级光束的强度的信号的光电管,响应于信号调整晶体的功率的控制,玻璃板的入射角等于但与用于校正的分束板的入射角相反 与主光束的像差,以及晶体的光学表面上的抗反射涂层。 在第二实施例中,板被偏振立方体代替。 在第三实施例中,为了消除衰减器输出的波动,玻璃板代替光束单元的光束分量的源。