发明名称 Exposure control device for photographic cameras
摘要 Exposure control device for a photographic camera wherein, in a part of the exposure control device, electronic means are provided in order to form, from the luminous density of an object, the film sensitivity, and the preselected time, a voltage analogous to a diaphragm setting, and wherein a storage means is provided for storing this value, the improvement comprising the combination of the following features:
申请公布号 US4054887(A) 申请公布日期 1977.10.18
申请号 US19760701802 申请日期 1976.07.01
申请人 ERNEST LEITZ GMBH 发明人 HOLLE, WERNER;BLETZ, WALTER;MAGEL, ROLF
分类号 G03B7/085;(IPC1-7):G03B7/08 主分类号 G03B7/085
代理机构 代理人
主权项
地址