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    • 5. 发明授权
    • Gas-filled arc discharge lamp and a method of making thereof
    • 充气电弧放电灯及其制造方法
    • US06850008B2
    • 2005-02-01
    • US10073439
    • 2002-02-08
    • David L. Clark
    • David L. Clark
    • H01J61/073H01J9/02H01J9/18H01J61/02H01J61/10H01J61/33H01J61/68H01J17/04
    • H01J61/02H01J9/18H01J61/10H01J61/68
    • A gas discharge lamp having a translucent envelope enclosing a light emitting assembly that includes a baffle and an anode separated by one or more spacers made of an electrically insulating material such as ceramic, which are oriented towards a heated cathode to receive electrons emitted therefrom. Each spacer has a front surface, a rear surface, a top surface and a bottom surface including a transverse cavity formed between the front and rear surfaces to permit electrons to flow through. The cavity extends from a first through-hole in the front surface to a second through-hole in the rear surface of the spacer. Further, the cavity includes a gap for allowing conductive materials that may sputter or evaporate from the anode or the baffle to escape from the cavity to prevent short circuiting between the anode and the baffle.
    • 一种气体放电灯,其具有封闭发光组件的透光外壳,该发光组件包括挡板和由一个或多个由电绝缘材料(例如陶瓷)制成的间隔物分隔开的阳极,所述间隔件朝向加热的阴极取向以接收从其发射的电子。 每个间隔件具有前表面,后表面,顶表面和底表面,其包括形成在前表面和后表面之间的横向空腔,以允许电子流过。 空腔从前表面的第一通孔延伸到间隔件的后表面中的第二通孔。 此外,空腔包括用于允许可能从阳极或挡板溅射或蒸发的导电材料从空腔逸出以防止阳极和挡板之间的短路的间隙。
    • 6. 发明授权
    • Multiple head inkjet printer for producing adjacent images
    • 用于生产相邻图像的多头喷墨打印机
    • US06406126B1
    • 2002-06-18
    • US09645703
    • 2000-08-24
    • David L. Clark
    • David L. Clark
    • B41J354
    • B41J3/543
    • A multiple-head inkjet printer is provided for producing adjacent images on a printing medium. The inkjet printer includes a carriage, a plurality of inkjet printhead axially movable along the carriage and spaced predetermined axial distances from one another, and a printhead driver assembly for simultaneously moving each of the printheads along the carriage while maintaining the spacing distances between adjacent printheads. Each inkjet printhead is controlled by a separate image driver circuit to allow each printhead the capability of independently printing a separate image on the printing medium. The carriage has a length sufficiently greater than the width of the printing medium to allow a single one of the printheads to print a single a large image extending completely across the printing medium. The inkjet printer finds particular application in a photographic micro lab.
    • 提供一种用于在打印介质上产生相邻图像的多头喷墨打印机。 喷墨打印机包括滑架,多个喷墨打印头,其可沿着滑架轴向移动并且彼此间隔预定的轴向距离;以及打印头驱动器组件,用于同时沿着滑架移动每个打印头,同时保持相邻打印头之间的间隔距离。 每个喷墨打印头由单独的图像驱动器电路控制,以允许每个打印头独立地在打印介质上打印单独的图像的能力。 滑架的长度足够大于打印介质的宽度,以允许单个打印头打印完全延伸穿过打印介质的单个大图像。 喷墨打印机在照相微实验室中发现具体应用。
    • 9. 发明授权
    • Flexible tape applicator and method of operation
    • 柔性胶带涂布机和操作方法
    • US5779830A
    • 1998-07-14
    • US547308
    • 1995-10-24
    • Timothy A. WakefieldDavid L. ClarkA. B. Lockstead
    • Timothy A. WakefieldDavid L. ClarkA. B. Lockstead
    • B65H23/182B29C65/00E06B3/673B32B31/00B65H26/00
    • E06B3/6733B29C66/4722E06B2003/67378Y10T156/1712Y10T156/1795
    • An applicator for applying a flexible tape to a planar sheet having a base, a table, a robotic arm and an applicator head. The applicator head is carried by the robotic arm and includes a cradle for receiving a spool of flexible tape. The robotic arm moves the applicator head through the Cartesian coordinate system relative to the table. A motor feeds flexible tape out from the spool, over a dancer arm through a plurality of rollers. A sensor associated with the dancer arm measures the pressure or position in a cylinder connected to the dancer arm and forwards a signal to the motor to increase the speed if the dancer arm pressure is high, and decrease the motor speed if dancer arm pressure is low. A plurality of optical sensors determine the layer of flexible tape currently being removed from the reel, and adjust the motor speed to adjust for the varying length of material removed per revolution as concentric layers of flexible tape are removed from the spool.
    • 一种用于将柔性带施加到具有基部,台,机器臂和施用头的平面片的施加器。 涂抹器头由机器人手臂携带并且包括用于接收柔性带卷轴的托架。 机械手臂相对于桌子将涂抹器头移动通过笛卡尔坐标系。 电动机通过多个辊将柔性带从卷轴上提供出来,穿过调节臂。 与舞蹈臂相关联的传感器测量连接到舞动臂的气缸中的压力或位置,并且如果舞者臂压力高,则将信号传递到电动机以增加速度,并且如果舞者臂压力低,则降低电动机速度 。 多个光学传感器确定当前从卷轴上移除的柔性带的层,并且调整电动机速度,以便随着从卷轴上移除的柔性带的同心层,每转一圈的材料的长度变化。