发明名称 Apparatus for displaying the amount of exposure in a single lens reflex camera using an electronic shutter
摘要 An apparatus for displaying the amount of exposure in a single lens reflex camera using an electronic shutter in which the shutter speed can be established either automatically or manually and can be displayed in a digital manner. When the shutter speed is manually established, the apparatus indicates an underexposure or overexposure, beyond a selected range, and also displays the amount by which the established value deviates outside the range.
申请公布号 US4081805(A) 申请公布日期 1978.03.28
申请号 US19760696192 申请日期 1976.06.15
申请人 RICOH CO., LTD. 发明人 TAKAHASHI, AKIRA
分类号 G03B7/093;G03B17/20;G03B19/12;(IPC1-7):G03B7/00 主分类号 G03B7/093
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