发明名称 |
Catadioptric device intended for an optical responder |
摘要 |
A retro-reflector which comprises two spherical mirrors, namely a concave main mirror and a convex secondary mirror, which are coaxial to one another and whose respective radii are in the ratio 2:1, the secondary mirror facing and being spaced from the main mirror by a distance at the most equal to its radius. Means are provided for forming a circular pupil centered on the center of curvature of the main mirror and a regulatable diaphragm positioned in front of the secondary mirror. An optoelectrical shutter can be positioned in the pupil to modulate the reflected beam and provide the optical responder function.
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申请公布号 |
US4364631(A) |
申请公布日期 |
1982.12.21 |
申请号 |
US19800190380 |
申请日期 |
1980.09.24 |
申请人 |
THOMSON - CSF |
发明人 |
ARONDEL, PATRICK;LEPEYTRE, JEAN P. |
分类号 |
G02B5/00;G02B5/12;G02B17/06;(IPC1-7):G02B17/06;H04B9/00 |
主分类号 |
G02B5/00 |
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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