Electronic apparatus having battery power source and control...

Details Electronic apparatus having battery power source and control... Electronic apparatus having battery power source and control...

2005-05-03

2005-05-03

Le, N. (Department: 2858)

Electricity: measuring and testing

Electrolyte properties

Using a conductivity determining device

C324S426000, C324S429000

Reexamination Certificate

active

06888355

ABSTRACT:
A voltage and internal resistance of a battery are measured in advance as its capacity decreases. In a flash memory of a device powered by the battery, voltages necessary to drive a motor, an EL display, and a bezel input unit are stored. By comparing the voltage of the battery with a resistor connected as a dummy load and the voltage read from the flash memory, it can be determined whether it is possible to drive the motor, the EL display, or the bezel input unit.

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