发明名称 |
Articulated light guide |
摘要 |
An articulated light guide having internal mirrors and rotatable joints, provides a transmission path to a helmet mounted projector wherefrom light is transmitted onto a retroreflective screen to produce images utilized in simulation training. Located at the screen are photodiodes which detect the orientation of said images with respect to a reference and provide alignment signals to a servo-controlled image rotation device.
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申请公布号 |
US4411627(A) |
申请公布日期 |
1983.10.25 |
申请号 |
US19820343682 |
申请日期 |
1982.01.28 |
申请人 |
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY |
发明人 |
BREGLIA, DENIS R.;OHAREK, FRANK J.;GRIMMER, PAUL D. |
分类号 |
G09B9/30;(IPC1-7):G09B9/08 |
主分类号 |
G09B9/30 |
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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