发明名称 Shutter speed display for viewfinder of fixed point exposure meter camera
摘要 A shutter speed setting dial is rotationally coupled to a spring biased shutter speed display dial by a string and drum arrangement. The peripheral edge of the display dial, bearing shutter speed markings, extends into one side of a viewfinder frame adjacent a column of LEDs associated with a fixed point exposure meter display. Tabs projecting from a viewfinder frame border mask opposite the center LED bracket the set shutter speed marking, thereby enabling the user to quickly observe both the shutter speed and energized LED with a single glance.
申请公布号 US4118725(A) 申请公布日期 1978.10.03
申请号 US19770763748 申请日期 1977.01.28
申请人 ASAHI KOGAKU KOGYO KABUSHIKI KAISHA 发明人 KUREI, HIROSHI;SHONO, TETSUJI
分类号 G03B7/04;G03B17/18;G03B17/20;(IPC1-7):G03B17/20 主分类号 G03B7/04
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