发明名称 |
Shutter speed display for viewfinder of a photographic camera |
摘要 |
A viewfinder display in a photographic camera in which the viewfinder includes a viewing opening and a line of light emitting diodes for indicating a range of camera settings, the line having at least first and second portions. A lens is provided between the viewing opening and one of the first or second portions to visually distinguish the first and second portions from one another.
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申请公布号 |
US4289391(A) |
申请公布日期 |
1981.09.15 |
申请号 |
US19800116775 |
申请日期 |
1980.01.30 |
申请人 |
ROLLEI-WERKE FRANKE & HEIDECKE GMBH & CO. |
发明人 |
RODECK, HANS J. |
分类号 |
G03B17/20;(IPC1-7):G03B13/02 |
主分类号 |
G03B17/20 |
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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