Check apparatus for camera capable of using one of different typ

Details Check apparatus for camera capable of using one of different typ Check apparatus for camera capable of using one of different typ

1995-08-03

1998-02-10

Tso, Edward

Electricity: battery or capacitor charging or discharging

Means to identify cell or battery type

320DIG21, H01M 1046

Patent

active

057173150

ABSTRACT:
A power source check apparatus of a camera capable of using one of different type of batteries or battery packs detects the type of the power source used, and checks residual capacity of the power source by measuring the terminal voltage of the power source while applying suitable dummy load current in accordance with the detected type of the power source. The type of the power source is detected on the basis of any one of open circuit terminal voltage, appearance, or data code provided therein.

REFERENCES:
patent: 4376265 (1983-03-01), Kiuchi et al.
patent: 4792762 (1988-12-01), Shiina et al.
patent: 5200686 (1993-04-01), Lee
patent: 5206097 (1993-04-01), Burns et al.
patent: 5298346 (1994-03-01), Gyenes
patent: 5473262 (1995-12-01), Yoshimatsu

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