Battery charge control circuit for a battery pack consisting of rechargeable battery elements
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United States of America Patent
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Issued Date -
Jul 21, 2005
app pub date -
Oct 15, 2004
filing date -
Apr 16, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Disclosed is a battery control circuit for a battery pack consisting of rechargeable battery elements (9) which are arranged in respective parallel branches (3) battery voltage sources connected in parallel. State monitoring means are associated with each parallel branch (3) in order to monitor the state of the battery during a charging process of the battery pack and a respective switch (15), which can be controlled by the state monitoring means (11, 13, 17), is provided for the interruption or release of the charging current flow through the parallel branch (3) according to the state of the battery. The invention also relates to a discharge control circuit and a battery pack with an integrated battery charge control circuit/discharge control circuit.
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