Method and apparatus for determining battery characteristics

Details Method and apparatus for determining battery characteristics Method and apparatus for determining battery characteristics

1994-02-10

1995-05-02

Shah, Mukund J.

Chemistry: electrical current producing apparatus, product, and

With nonbattery electrical component electrically connected...

320 2, 320 22, 320 35, 320 37, H02J 710

Patent

active

054118166

ABSTRACT:
A battery charging system (200) comprises a battery (206) and charger (202). Battery 206 includes a thermistor (112) for determining the temperature of battery (206) and a resistor (214), for informing charger (202) of the current capacity of battery (206). Charger (202) includes a transistor (220) for effectively switching between measuring thermistor (112) and resistor (214) at charger input terminal (240). This effectively reduces the number of battery and charger contacts required as compared to the prior art.

REFERENCES:
patent: 4006396 (1977-02-01), Bogut
patent: 5164652 (1992-11-01), Johnson et al.
patent: 5200686 (1993-04-01), Lee

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