Battery testing techniques
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United States of America Patent
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-
Dec 27, 1983
Grant Date -
N/A
app pub date -
Mar 31, 1981
filing date -
Mar 31, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system and method for testing a battery having an internal impedance by generating digital battery parameter values corresponding to the battery parameters at different points in time by means of current, voltage and temperature measurement circuits and an analog-to-digital converter. An electrical load is periodically placed on the battery and the battery is also charged between loadings in order to provide battery parameter values during different battery conditions. A microprocessor coordinates the testing of the battery and the measuring of the battery parameter values, as well as the calculation of test criteria based on those values in order to quickly and accurately analyze the condition of the battery.
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