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    • 6. 发明授权
    • Optical signal transmission apparatus
    • 光信号传输装置
    • US4321474A
    • 1982-03-23
    • US105925
    • 1979-12-21
    • Eiichi TanakaTakehiro TomitaniKatsumi TakamiKenji Ishimatsu
    • Eiichi TanakaTakehiro TomitaniKatsumi TakamiKenji Ishimatsu
    • H04B10/11H04B10/00H04B10/114H04B10/524H04B10/80G02B27/00
    • H04B10/801
    • An apparatus for optically transmitting signals from a rotatable body to a stationary side or vice versa in a non-contact manner, includes a plurality of light emitting elements excited by a PCM signal from a signal source and a plurality of light receiving elements disposed in opposition with the light emitting elements for receiving light therefrom. A plurality of sets each including plural light receiving or emitting elements are provided at the stationary side in association with the respective light emitting or receiving elements disposed at the rotatable body side. Alternatively, a plurality of sets each including plural light emitting elements are provided at the rotatable body side in association with the respective light receiving elements disposed at the stationary side. The elements in such plural sets are selected in accordance with the rotation of the rotatable body.
    • 一种用于以非接触方式将信号从可旋转体光学传输到静止侧或反之亦然的装置包括由来自信号源的PCM信号激励的多个发光元件和以对置方式设置的多个光接收元件 其中用于从其接收光的发光元件。 与设置在可旋转体侧的各个发光或接收元件相关联地,在固定侧设置有多个包含多个光接收或发光元件的组。 或者,与设置在固定侧的各个光接收元件相关联地,在可旋转体侧设置多个包括多个发光元件的组。 这些多组中的元件根据可旋转体的旋转来选择。