5.
    发明专利
    未知

    公开(公告)号:DE69112243T2

    公开(公告)日:1996-02-15

    申请号:DE69112243

    申请日:1991-02-26

    Applicant: SONY CORP

    Abstract: A charging apparatus is provided, in which a secondary battery is charged by a constant voltage and a charging amount is detected. This charging apparatus is characterized in that a voltage setting value for charging the secondary battery by the constant voltage is varied at every predetermined period and changes of current at the varied timing points are detected to detect the charging amount.

    6.
    发明专利
    未知

    公开(公告)号:DE69112243D1

    公开(公告)日:1995-09-28

    申请号:DE69112243

    申请日:1991-02-26

    Applicant: SONY CORP

    Abstract: A charging apparatus is provided, in which a secondary battery is charged by a constant voltage and a charging amount is detected. This charging apparatus is characterized in that a voltage setting value for charging the secondary battery by the constant voltage is varied at every predetermined period and changes of current at the varied timing points are detected to detect the charging amount.

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