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发明名称
Keyboard using optical switching
摘要
The invention relates to keyboard devices using optical switching and includes novel light distribution means to multiple fiber optics, switching means between fiber optics, and collection means from multiple fiber optics to a single point.
申请公布号
US4013342(A)
申请公布日期
1977.03.22
申请号
US19750642305
申请日期
1975.12.19
申请人
NARODNY, LEO H.
发明人
NARODNY, LEO H.
分类号
H03K17/969;(IPC1-7):G02B5/14
主分类号
H03K17/969
代理机构
代理人
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