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.
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
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