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公开(公告)号:US3836234A
公开(公告)日:1974-09-17
申请号:US34011773
申请日:1973-03-12
发明人: FARNSWORTH J
CPC分类号: G03B9/08
摘要: A fully-closing iris diaphragm is disclosed which consists of a substantially conventional iris diaphragm with the addition of a capping section to one leaf, which is positioned to obscure the minimum aperture obtainable without ''''scissoring'''' distortion of the leaves.
摘要翻译: 公开了一种完全闭合的虹膜光阑,其由基本上常规的虹膜光阑组成,在一个叶片上添加了封盖部分,其被定位成遮蔽可获得的最小孔径,而不会“叶片”的叶片变形。