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    • 4. 发明授权
    • Vacuum fluorescent display
    • 真空荧光显示
    • US06822387B1
    • 2004-11-23
    • US09640479
    • 2000-08-16
    • Kyung-Su Park
    • Kyung-Su Park
    • H01J162
    • H01J31/126H01J29/467
    • A vacuum fluorescent display (VFD) capable of reducing the absorption of electrons by a control grid to enhance the functional efficiency of electrons is disclosed. The VFD has an evacuated envelope surrounded by a face glass, a base substrate and side glasses; a plurality of filamentary cathodes for emitting electrons when a negative potential is applied; an anode having a phosphor layer that responds to electrons emitted from the cathodes, and having a positive potential applied thereto; and electron control unit for generating a repulsive electric field that allows the acceleration of electrons emitted from the cathodes in the direction of the anode. The electron control unit may be a plurality of grids behind the cathodes, or a layer of transparent conductive material deposited on the inner surface of the face glass.
    • 公开了一种能够通过控制网格减少电子吸收以提高电子功能效率的真空荧光显示器(VFD)。 VFD具有由面玻璃,基底和侧眼镜围绕的抽真空的包络; 多个用于在施加负电位时发射电子的丝状阴极; 具有响应于从阴极发射的电子并具有施加到其上的正电位的荧光体层的阳极; 以及用于产生排斥电场的电子控制单元,其允许从阳极方向加速从阴极发射的电子。 电子控制单元可以是阴极后面的多个栅极,或者沉积在面玻璃的内表面上的透明导电材料层。
    • 5. 发明授权
    • Key switch device and method for manufacturing the same
    • 钥匙开关装置及其制造方法
    • US06833522B1
    • 2004-12-21
    • US10781996
    • 2004-02-19
    • Kyung-Su ParkChul-Gi MinJeong-Hun Lee
    • Kyung-Su ParkChul-Gi MinJeong-Hun Lee
    • H01H1370
    • H01H3/125H01H2215/004
    • A key switch device includes inner and outer link members connected to each other to mutually move in a scissors fashion, a key top having receiving portions for receiving the support protrusions provided at respective upper ends of the link members, a hollow elastic switch provided at an inner surface thereof with a downward protrusion for performing a switching operation in accordance with vertical movement of the key top, a support plate arranged beneath the key top, a membrane arranged on the support plate, and a mounting member arranged on the membrane, a central opening for receiving the elastic switch, and fitting holes allowing the cocking members to be fitted therein.
    • 钥匙开关装置包括彼此连接的内部和外部连杆构件以剪刀的方式相互移动,键顶部具有用于接收设置在连杆构件的相应上端处的支撑突起的接收部分, 其内表面具有向下突起,用于根据键顶的垂直运动执行切换操作,安装在键顶下方的支撑板,布置在支撑板上的膜和布置在膜上的安装构件,中心 用于接收弹性开关的开口,以及允许将推动构件安装在其中的装配孔。