发明名称 Indicating device for a camera
摘要 In a camera usable with an electronic flash device and including an indicating element adapted to be operated when the electronic flash device has become capable of emitting flashlight, an electric shutter and a voltage detecting circuit for detecting the voltage of a battery for driving the electric shutter, there is provided a control circuit for rendering the indicating element inoperative in response to the output of the detecting circuit when the voltage of the battery is below a predetermined value, independently of whether or not the electronic flash device is in flashlight emission capable condition.
申请公布号 US4431291(A) 申请公布日期 1984.02.14
申请号 US19820424337 申请日期 1982.09.27
申请人 NIPPON KOGAKU K.K. 发明人 MAIDA, OSAMU
分类号 G03B7/16;G03B17/18;(IPC1-7):G03B15/02 主分类号 G03B7/16
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