发明名称 |
BI-DIRECTIONAL HIGHWAY LUMINAIRE |
摘要 |
A luminaire provides a longitudinally asymmetrical light distribution on both sides of a bi-directional highway with low non-glare beams facing traffic on both sides of the highway and higher beams in the direction of traffic on both sides of the highway.
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申请公布号 |
US3679889(A) |
申请公布日期 |
1972.07.25 |
申请号 |
USD3679889 |
申请日期 |
1969.11.18 |
申请人 |
HOLOPHANE CO. INC. |
发明人 |
KURT FRANCK |
分类号 |
F21S8/08;(IPC1-7):F21S1/10 |
主分类号 |
F21S8/08 |
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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