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    • 7. 发明授权
    • Lighted telephone dial
    • 点亮电话拨号
    • US5237607A
    • 1993-08-17
    • US817006
    • 1992-01-03
    • Perry W. Diamantis
    • Perry W. Diamantis
    • H04M1/22
    • H04M1/22
    • A dial illuminating assembly allows for minimum power operation while maintaining uniformity of illumination in a telephone dial. The dial illumination assembly includes a plurality of fiber optic light guides for receiving light rays emanating from a light source and for directing these light rays to a plurality of translucent buttons. Illumination of the translucent buttons is achieved by creating multiple abraded surfaces on the light guides for dispersing the light rays in the vicinity of each translucent button. The light guides are routed along opposed sides of the translucent buttons with abraded surfaces on the light guides being positioned next to each button for providing the desired illumination. The dial illuminating assembly directs light rays so efficiently that only one light source is needed to provide uniform illumination in standard telephone dials.
    • 拨号照明组件允许最小功率操作,同时保持电话拨号盘中的照明均匀。 表盘照明组件包括多个用于接收从光源发出的光线并用于将这些光线引导到多个半透明按钮的光纤光导。 半透明按钮的照明通过在光导上产生多个磨损表面来实现,以将光线分散在每个半透明按钮的附近。 光导沿着半透明按钮的相对侧布置,导光板上的磨损表面位于每个按钮旁边,用于提供所需的照明。 拨号灯照明组件能够高效地引导光线,从而仅需要一个光源来在标准电话拨盘中提供均匀的照明。