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    • 3. 发明申请
    • PHOTOCONDUCTIVE IMAGING PANEL WITH EXTERNALLY CONTROLLED CONDUCTIVITY
    • 具有外部控制电导率的光电成像面板
    • WO02061456A3
    • 2003-01-16
    • PCT/US0149959
    • 2001-11-09
    • HOLOGIC INCLEE DENNY L YDAVIS JAMES E
    • LEE DENNY L YDAVIS JAMES E
    • H01L27/146H01L31/115G01T1/24
    • H01L27/14676
    • A radiation detection panel has an integrated array of x-ray sensors, each of which includes a charge storage capacitor (14), a radiation sensitive layer (50) over the charge storage capacitor (14), and a control layer (52) over the radiation sensitive layer (50). The electrical conductivity of the control layer (52) can be changed reversibly in the field, after the panel is manufactured and without disassembly of the panel, to make the time constant of the layer t = (1/g)ke change between high and low values in the range of, e.g., 0.03 and 20 seconds, where g is the conductivity and k is the dielectric constant of the control layer, and e is the permittivity of free space. The conductivity, and thus the time constant of the control layer (52), are controllable via the application of electromagnetic energy, preferably infrared radiation. Preferably, the radiation sensitive layer (50) is a photoconductor and the control layer (52) is an organic photoconductor "OPC".
    • 辐射检测面板具有x射线传感器的集成阵列,每个X射线传感器包括电荷存储电容器(14),电荷存储电容器(14)上方的辐射敏感层(50),以及控制层 辐射敏感层(50)。 控制层(52)的导电性可以在现场可逆地改变,在面板制造之后并且不拆卸面板,使层t =(1 / g)ke的时间常数在高和 例如0.03和20秒的范围内的低值,其中g是导电率,k是对照层的介电常数,e是自由空间的介电常数。 控制层(52)的导电性以及因此的时间常数可通过施加电磁能,优选红外辐射来控制。 优选地,辐射敏感层(50)是光电导体,并且控制层(52)是有机光电导体“OPC”。
    • 8. 发明授权
    • Electro-mechanical educational apparatus
    • 电子机械教育装置
    • US3675340A
    • 1972-07-11
    • US3675340D
    • 1970-05-27
    • DAVIS JAMES E
    • DAVIS JAMES E
    • G09B1/10
    • G09B1/10
    • An electro-mechanical educational apparatus in the form of a solid tablet representing one side of a house, complete with detachable windows, shutters, and windowboxes. Each detachable window contains a magnet embedded in a unique position with respect to the window outline and adapted to actuate a magnetic switch embedded in the house in a corresponding position at the correct location for the particular window. The correct sequence of assembly of the windows is indicated by line or color markings on the house, by colors of changeable components such as the shutters, or by colors, numerals, words, or other keys on the window boxes, which are to be matched with corresponding indications on the windows. Correct assembly is verified by depression of a manual switch which actuates a light or a doorbell as a reward for the accomplishment. Means are provided to help students grasp the windows and to prevent upside down or mis-oriented insertion of the windows. Other means are provided to prevent students from removing indicators which are intended to be semi-fixed.
    • 一种以代表房屋一侧的坚实平板电脑形式的机电教育设备,具有可拆卸的窗户,百叶窗和窗框。 每个可拆卸窗口包含相对于窗口轮廓嵌入在独特位置的磁体,并且适于将嵌入在房屋中的磁性开关驱动在用于特定窗口的正确位置的对应位置。 窗户的正确的组装顺序由房屋上的线或颜色标记,可变组件(例如百叶窗)的颜色,或者由窗口框上的颜色,数字,单词或其他键组成,这些颜色将被匹配 并在窗口上显示相应的指示。