Electricity: battery or capacitor charging or discharging – Battery or cell discharging – With charging
Reexamination Certificate
2005-04-13
2008-12-02
Ullah, Akm E (Department: 2838)
Electricity: battery or capacitor charging or discharging
Battery or cell discharging
With charging
C324S427000
Reexamination Certificate
active
07459884
ABSTRACT:
A remaining capacity calculation method for a secondary battery and a battery pack are provided. Dischargeable electric power is accurately calculated and accuracy of a remaining capacity rate found by an electric power integration method may be improved by providing a remaining capacity calculation method for a secondary battery. The method includes calculating a consumed electric power by way of integration of voltage and current measured at a preset time interval when using the secondary battery; calculating an available dischargeable electric power by subtracting an energy loss and unavailable energy from a discharge electric power of the secondary battery; and calculating a remaining capacity rate from a ratio between the calculated electric power and the dischargeable electric power.
REFERENCES:
patent: 5164761 (1992-11-01), Isono et al.
patent: 5545969 (1996-08-01), Hasegawa
patent: 5592094 (1997-01-01), Ichikawa
patent: 5617324 (1997-04-01), Arai
patent: 5703486 (1997-12-01), Arai et al.
patent: 5744963 (1998-04-01), Arai et al.
patent: 5963016 (1999-10-01), Arai et al.
patent: 6008626 (1999-12-01), Sato et al.
patent: 6107779 (2000-08-01), Hara et al.
patent: 6157169 (2000-12-01), Lee
patent: 6262577 (2001-07-01), Nakao et al.
patent: 6369547 (2002-04-01), Suzuki et al.
patent: 6515452 (2003-02-01), Choo
patent: 6845332 (2005-01-01), Teruo
patent: 6972545 (2005-12-01), Tsuchiya et al.
patent: 7136762 (2006-11-01), Ono
patent: 2001/0054879 (2001-12-01), Okada et al.
patent: 2004/0090207 (2004-05-01), Ooi et al.
patent: 2004/0257044 (2004-12-01), Nagaoka
patent: 07-198807 (1995-01-01), None
patent: 7198807 (1995-08-01), None
patent: 08-075833 (1996-03-01), None
patent: 08-201488 (1996-08-01), None
patent: 09-070146 (1997-03-01), None
patent: 10-108301 (1998-04-01), None
patent: 11-008940 (1999-01-01), None
patent: 11-038107 (1999-02-01), None
patent: 2003-194897 (2003-07-01), None
patent: 2003-207552 (2003-07-01), None
patent: 2004-045375 (2004-02-01), None
patent: 2004130779 (2004-04-01), None
Japanese Office Action dated Jul. 24, 2007.
Hogari Masaki
Sasaki Taichi
Bell Boyd & Lloyd LLP
Diao M'Baye
Sony Corporation
Ullah Akm E
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