Method and device for charging and conditioning batteries
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United States of America Patent
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Jul 15, 1997
Grant Date -
N/A
app pub date -
Nov 30, 1994
filing date -
Nov 30, 1994
priority date (Note) -
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Abstract
A battery charging and conditioning circuit is provided wherein application of a charging current to a battery (B) is alternated with the application of short current spikes. The impedance characteristic and no load voltage characteristic of the battery are monitored and processed to select the charging current and spiked current applied to the battery. Processing of the impedance characteristic and no load voltage characteristic of the battery is made by a processing unit (5). The circuit used to generate the short current spikes responds to a timing signal produced by an oscillator (15) by opening and closing a switch (11) to release charge stored in a charge storage device such as an inductor (19), the released charge comprising a current pulse for application to the battery.
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