Electricity: battery or capacitor charging or discharging – Battery or cell discharging – With charging
Reexamination Certificate
2011-02-15
2011-02-15
Tso, Edward (Department: 2858)
Electricity: battery or capacitor charging or discharging
Battery or cell discharging
With charging
C320S159000, C320S164000
Reexamination Certificate
active
07888911
ABSTRACT:
A method of determining the state of charge (SOC) of a rechargeable battery, the method comprising charging the battery using a substantially constant charge current; measuring the battery temperature; and conducting a first measurement of the battery voltage at a time interval, t1, from the start of the charging, and a second measurement of the battery voltage at a time interval, t2, from the first measurement.
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patent: 5808445 (1998-09-01), Aylor et al.
patent: 2005/0099161 (2005-05-01), Sato
patent: 2006/0232277 (2006-10-01), Murakami et al.
Ng Sung On Andrew
Wong Kin Pun
Yeo Che Wee
GP Batteries International Limited
Muralidar Richard V
Tso Edward
Volpe and Koenig PC
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