Electricity: battery or capacitor charging or discharging – Battery or cell discharging – Regulated discharging
Reexamination Certificate
2006-01-11
2008-10-28
Berhane, Adolf (Department: 2838)
Electricity: battery or capacitor charging or discharging
Battery or cell discharging
Regulated discharging
C320S135000, C324S427000
Reexamination Certificate
active
07443140
ABSTRACT:
A method for terminating battery discharge to avoid battery damage and maximize battery usage includes the steps of: (a) determining battery capacity; (b) storing a capacity result of the capacity determining; (c) determining battery voltage; (d) during a monitored battery operation, integrating battery current flow over a time interval to determine an integrated charge value at an end-of-interval-time; (e) determining an extant depth of discharge at the end-of-interval-time; (f) if the extant depth of discharge is neither within a first range of a maximum depth of discharge nor the battery voltage is within a second range of a minimum battery voltage, carrying out steps (d) through (f); (h) if the extant depth of discharge is within the first range of the maximum depth of discharge or if the battery voltage is within the second range of the minimum battery voltage, terminating the monitored battery operation.
REFERENCES:
patent: 6107779 (2000-08-01), Hara et al.
patent: 6789026 (2004-09-01), Barsoukov et al.
patent: 6832171 (2004-12-01), Barsoukov et al.
patent: 6892148 (2005-05-01), Barsoukov et al.
patent: 2006/0055374 (2006-03-01), Fujihara et al.
Barsukov Yevgen
Poole Dan Russell
Qian Jinrong
Berhane Adolf
Brady III Wade J.
Piggush Aaron
Telecky , Jr. Frederick J.
Texas Instruments Incorporated
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