Photography – Battery insertion/removal/depletion responsive
Patent
1999-06-18
2000-10-17
Perkey, W. B.
Photography
Battery insertion/removal/depletion responsive
340636, 320106, 320136, 324426, G03B 726, G08B 2100, H02J 700, G01N 27416
Patent
active
061343919
ABSTRACT:
Disclosed is a battery residual-power checking apparatus including: a detecting device for detecting a type of battery accommodated in a camera a battery from a plurality of battery types prepared in advance; a load applying device for applying a load to the detected battery, a magnitude of the load being determined in advance in accordance with the type of the detected battery; a voltage measuring device for measuring an output voltage of the detected battery while the load applying device applies the load to the detected battery; and a battery residual-power determining device for determining the remaining power of the detected battery in accordance with the output voltage measured by the voltage measuring device and the type of the detected battery.
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Asahi Kogaku Kogyo Kabushiki Kaisha
Perkey W. B.
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