发明名称 |
Photographic apparatus with automatic focusing means |
摘要 |
A still camera or motion picture camera wherein the means for monitoring the brightness of a portion of or entire scene transmits signals to an automatic focusing mechanism as well as to the exposure controls. The connection between the output or outputs of the monitoring means and the exposure controls includes elements which can transmit signals denoting the peak value, the integral value or the average value of signals denoting the scene brightness.
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申请公布号 |
US4324464(A) |
申请公布日期 |
1982.04.13 |
申请号 |
US19800177984 |
申请日期 |
1980.08.14 |
申请人 |
AGFA-GEVAERT AKTIENGESELLSCHAFT |
发明人 |
WICK, RICHARD |
分类号 |
G02B7/34;G03B7/085;(IPC1-7):G03B7/08;G03B13/20 |
主分类号 |
G02B7/34 |
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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