Electricity: battery or capacitor charging or discharging – Battery or cell discharging – Regulated discharging
Reexamination Certificate
2005-11-22
2005-11-22
Berhane, Adolf Deneke (Department: 2838)
Electricity: battery or capacitor charging or discharging
Battery or cell discharging
Regulated discharging
C320S134000
Reexamination Certificate
active
06967468
ABSTRACT:
An overvoltage and backflow current protection circuit is employed when charging a battery. A switching circuit controls bias to the protection circuit to switch between overvoltage protection and backflow current protection.
REFERENCES:
patent: 5357393 (1994-10-01), Mojaradi et al.
patent: 5781390 (1998-07-01), Notaro et al.
patent: 6614206 (2003-09-01), Wong et al.
Berhane Adolf Deneke
Garlick Harrison & Markison LLP
Grant Robert
Markison Timothy W.
Sigmatel, Inc.
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