Electricity: battery or capacitor charging or discharging – Battery or cell charging – Pulsed
Reexamination Certificate
2003-11-17
2008-08-12
Tso, Edward (Department: 2838)
Electricity: battery or capacitor charging or discharging
Battery or cell charging
Pulsed
Reexamination Certificate
active
07411372
ABSTRACT:
A digital device capable of recharging a rechargeable battery, comprising a consuming current detect unit for detecting a consuming current input to the digital device through an adapter, a control unit, a recharging current detect control unit for detecting the battery recharging current as the battery is recharged, and a recharging control unit for regulating the consuming current to the rechargeable battery in proportion to a pulse width modulation control signal output from the control unit and the battery recharging current detected by the recharging current detect control unit.
REFERENCES:
patent: 5225763 (1993-07-01), Krohn et al.
patent: 5304916 (1994-04-01), Le et al.
patent: 5325040 (1994-06-01), Bogut et al.
patent: 5545969 (1996-08-01), Hasegawa
patent: 5723970 (1998-03-01), Bell et al.
patent: 5739667 (1998-04-01), Matsuda et al.
patent: 5777399 (1998-07-01), Shibuya
patent: 5847546 (1998-12-01), Sengupta et al.
patent: 5900717 (1999-05-01), Lee
patent: 6118250 (2000-09-01), Hutchison et al.
patent: 6127809 (2000-10-01), Kates et al.
patent: 6229286 (2001-05-01), Tokuyama
patent: 6300744 (2001-10-01), Shum
patent: 6326771 (2001-12-01), Popescu-Stanesti
patent: 6429625 (2002-08-01), LeFevre et al.
patent: 1 043 824 (2000-10-01), None
patent: 1 043 824 (2000-10-01), None
Fundamentals of Power Electronics, 2ndedition. Robert W, Erickson and Dragan Maksimovic. Kluwer Academic Publishers, 2003.
European Search Report dated Jan. 31, 2006 based on application EP 03 25 7656.
Roylance Abrams Berdo & Goodman L.L.P.
Samsung Electronics Co,. Ltd.
Tso Edward
LandOfFree
Digital device with rechargeable battery and recharging... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Digital device with rechargeable battery and recharging..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Digital device with rechargeable battery and recharging... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3993975