发明名称 |
Three aspect signalling device using no moving parts |
摘要 |
A three color aspect light signalling system that displays one color at a time without producing phantom signals. The apparatus utilizes three sources of collimated white light, a filter and two dichroic mirror/filters are used to produce three colored aspects and two output lenses are used to collimate the colored output signal so that it may be seen at distances greater than one mile.
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申请公布号 |
US4754272(A) |
申请公布日期 |
1988.06.28 |
申请号 |
US19860908767 |
申请日期 |
1986.09.18 |
申请人 |
GENERAL SIGNAL CORPORATION |
发明人 |
ILLENBERG, CORNELIUS J.;REFICI, RONALD J.;VAN ORDEN, LYNN |
分类号 |
B61L5/18;F21S8/00;F21V9/10;(IPC1-7):G08B5/36 |
主分类号 |
B61L5/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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