发明名称 |
Miniature spotlight with extremely variable exit angle and constant even field of illumination |
摘要 |
A miniature spotlight for short distance illumination and optical effects producing an extreme variable exit angle of illumination and maintaining a constant even field of illumination is of such complex configuration that the use within a stage set or hidden behind small objects will be suitable for photographic and cinematographic close-up settings.
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申请公布号 |
US4823243(A) |
申请公布日期 |
1989.04.18 |
申请号 |
US19870089548 |
申请日期 |
1987.08.26 |
申请人 |
DEDOTEC OPTRONISCHE UND MECHANISCHE SYSTEME GMBH |
发明人 |
WEIGERT, DEDO |
分类号 |
F21S8/00;(IPC1-7):F21V13/02 |
主分类号 |
F21S8/00 |
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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