发明名称 |
Objective lens focus assembly |
摘要 |
A modified objective lens focus assembly of a night vision image intensifier monocular for providing focus control travel adjustment that has substantially free movement for a full range of travel. The focus ring and lock ring are cemented together as one subassembly which is then cemented to the monocular housing. The objective cell is then rotational within the assembly without use of separate focus ring and lock ring.
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申请公布号 |
US5940228(A) |
申请公布日期 |
1999.08.17 |
申请号 |
US19970997999 |
申请日期 |
1997.12.24 |
申请人 |
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE ARMY |
发明人 |
BURNETT, RICHARD L. |
分类号 |
G02B23/12;(IPC1-7):G02B7/02;G02B23/00 |
主分类号 |
G02B23/12 |
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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