Charge control device and battery pack employing it

Details Charge control device and battery pack employing it Charge control device and battery pack employing it

2008-05-13

2008-05-13

Ullah, Akm (Department: 2838)

Electricity: battery or capacitor charging or discharging

Means to identify cell or battery type

C320S112000

Reexamination Certificate

active

07372234

ABSTRACT:
A battery pack employing a charge control device of the present invention includes a charge detection circuit for checking whether a secondary cell is in a charged state or not based on at least a charge voltage or a charge current of the secondary cell, a control circuit for controlling feeding of electric power to the secondary cell according to an output of the charge detection circuit, and a setting circuit for setting a level of the charge voltage or the charge current at which the charge detection circuit recognizes the charged state according to control information fed in directly from outside.

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patent: 6275006 (2001-08-01), Koike et al.
patent: 06-205541 (1994-07-01), None
patent: 08-138749 (1996-05-01), None
patent: 2000-123886 (2000-04-01), None
patent: 3080655 (2000-06-01), None
patent: WO 97/13189 (1997-04-01), None

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