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    • 21. 发明授权
    • Radiation switch for photoflash unit
    • 闪光灯单元的辐射开关
    • US4330821A
    • 1982-05-18
    • US148358
    • 1980-05-09
    • Boyd G. BrowerJohn W. Shaffer
    • Boyd G. BrowerJohn W. Shaffer
    • G03B15/04H01B1/14H01H1/00H01H37/00H05K1/00G03B15/02
    • G03B15/0457H05K1/0293H05K2201/0112H05K2203/173
    • A photoflash unit having a plurality of flashlamps mounted in a planar array on a printed circuit board containing circuitry for sequentially igniting the flashlamps in response to successive firing pulses applied thereto. The circuitry includes a plurality of solid state switches capable of being activated by radiant energy generated during flashing of lamps located adjacent to respective switches. Initially, each of the switches has a resistance sufficiently high to provide an open circuit to the applied firing pulses, and after being activated by radiation, the switch undergoes chemical conversion to a conductive state. The switches are prepared from compositions which include a selected proportion of silver-coated glass beads to consistently assure a predetermined low resistance after conversion and maintenance of good adherence and electrical contact with the printed circuit board circuitry.
    • 一种闪光灯单元,其具有安装在平面阵列上的多个闪光灯,所述闪光灯片包含用于响应于施加到其上的连续点火脉冲而顺序地点燃闪光灯的电路的印刷电路板。 该电路包括多个固态开关,其能够由位于相应开关附近的灯闪烁期间产生的辐射能激活。 最初,每个开关具有足够高的电阻以对所施加的点火脉冲提供开路,并且在被辐射激活之后,开关经历化学转换为导通状态。 开关由包括选定比例的银涂覆的玻璃珠的组合物制备,以一致地确保转换后的预定低电阻并保持良好的粘附性和与印刷电路板电路的电接触。
    • 25. 发明授权
    • Multilamp photoflash device with improved coating
    • 具有改进涂层的多片闪光灯装置
    • US4664622A
    • 1987-05-12
    • US857686
    • 1986-04-30
    • Boyd G. BrowerJohn W. Shaffer
    • Boyd G. BrowerJohn W. Shaffer
    • G03B15/04F21K5/02
    • G03B15/0457
    • A multilamp photoflash device comprising an outer housing containing a plurality of flashlamps and means for sequentially flashing the flashlamps of the device and having an antistatic coating on the surface of the outer housing is provided. The antistatic coating comprises an anionic surfactant and a deliquescent salt. A method for inhibiting electrostatic charge buildup in a multilamp photoflash device comprising an outer housing containing a plurality of flashlamps and means for sequentially flashing the flashlamps of the device is also provided. The method includes applying an antistat solution comprising an anionic surfactant and a deliquescent salt dissolved in a solvent to the surface of the outer housing of the multilamp photoflash device and evaporating the solvent from the antistat solution on the surface of the outer housing so as to form an antistatic coating thereon. The coating comprises the anionic surfactant and deliquescent salt components of the antistat solution.
    • 一种多平板闪光灯装置,包括:外壳,其容纳多个闪光灯;以及用于顺序地闪烁所述装置的闪光灯并且在所述外壳的表面上具有抗静电涂层的装置。 抗静电涂层包含阴离子表面活性剂和潮解盐。 还提供了一种用于抑制多光照相闪光装置中的静电电荷累积的方法,该装置包括含有多个闪光灯的外壳和用于顺序地闪烁该装置的闪光灯的装置。 该方法包括将包含阴离子表面活性剂和溶解在溶剂中的潮解盐的抗静电溶液施加到多光照相闪光装置的外壳的表面,并从外壳的表面上的抗静电溶液中蒸发溶剂,以形成 其上具有抗静电涂层。 该涂层包含抗静电剂溶液的阴离子表面活性剂和潮解成分的成分。
    • 27. 发明授权
    • Connect switch
    • 连接开关
    • US4320440A
    • 1982-03-16
    • US21398
    • 1979-03-19
    • Boyd G. BrowerJohn W. Shaffer
    • Boyd G. BrowerJohn W. Shaffer
    • G03B15/04H01H37/76H05K1/00H05B41/04F21K5/02F21V23/04H05B43/02
    • G03B15/0457H05K1/0293H05K2201/0112H05K2203/173
    • A photoflash unit having a plurality of high voltage type flashlamps mounted in a planar array on a printed circuit board containing circuitry for sequentially igniting the flashlamps in response to successive high voltage firing pulses applied thereto. The circuitry includes a plurality of solid state switches capable of being easily activated by radiant energy generated during flashing of lamps located adjacent to respective switches. Initially, the switches have a high resistance, and after being activated by radiation, they undergo chemical conversion to a conductive state. The switches are prepared from compositions which include a comparatively large proportion of nonconductive inert particulate solids to improve switch functioning.
    • 一种闪光灯单元,其具有安装在印刷电路板上的平面阵列中的多个高压型闪光灯,所述印刷电路板包含用于响应于施加到其上的连续的高电压点火脉冲来顺序地点燃闪光灯的电路。 该电路包括多个固态开关,其能够通过位于相应开关附近的灯闪烁期间产生的辐射能而容易地激活。 最初,开关具有高电阻,并且在被辐射激活之后,它们经历化学转化为导电状态。 这些开关由包括相当大比例的非导电惰性颗粒固体的组合物制备以改善开关功能。