Method and a taper charger for the resistance free charging...

Details Method and a taper charger for the resistance free charging... Method and a taper charger for the resistance free charging...

H - Electricity

02

J

320/11

H02J 7/10 (2006.01) H02J 7/00 (2006.01)

Patent

CA 1311268

ABSTRACT OF THE DISCLOSURE A resistance free constant voltage taper charger for batteries in which a voltage regulator of a conventional type is combined with a conventional instrumentation amplifier in such a way that the output voltage increases by the same amount as a reference voltage coupled to the input of the amplifier is varied. The result wil be that the voltage at the final output is constant. The same basic circuit cna be complemented with two switches and with a sample and hold circuit controlled by a pulse generated so that in short pulse periods the voltage regulator is disable and the resistance free electrochemical battery voltage is sampled, and during the longer intervals between the periods the sampled and stored value is used to regulate the output voltage so that the electrochemical voltage remains unchanged. 2350-01008

563842

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