Patent ID: 7923970
Filing Date: 2011-04-12
Classification: H01M,H02J,Y02E

Abstract:
1. A charge controlling circuit comprising: a first determiner for determining whether or not a charging power supplied from an external charger to a secondary battery is present; a second determiner for determining whether or not a charge prohibition condition is satisfied when it is determined that a charging power supplied from said external charger to said secondary battery is present by said first determiner; a prohibiter for prohibiting a charging operation when it is determined that said charge prohibition condition is satisfied by said second determiner; and a permitter for permitting said charging operation when it is determined that said charge prohibition condition is not satisfied by said second determiner, wherein said charge prohibition condition includes a time condition which is determined by said first determiner that the charging power supplied from said external charger to said secondary battery is interrupted above a defined time including a predetermined time or more.