发明名称 |
Photographic shutter |
摘要 |
A shutter for a photographic instrument comprises a support on which more than two sectors are swingably mounted and a rectilineally shiftable actuating member connected to the sectors for swinging same from a position in which the sectors block an opening in the support into a position in which the opening is adapted to pass light.
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申请公布号 |
US4256397(A) |
申请公布日期 |
1981.03.17 |
申请号 |
US19790035542 |
申请日期 |
1979.05.03 |
申请人 |
VEB ELEKTRONISCHE ERZEUGNISSE BAERENSTEIN |
发明人 |
STRELLER, BERND;LEHMANN, HEINZ |
分类号 |
G03B9/22;(IPC1-7):G03B9/18 |
主分类号 |
G03B9/22 |
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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