Power distribution circuit for use in a portable...

Details Power distribution circuit for use in a portable... Power distribution circuit for use in a portable...

2011-08-09

2011-08-09

Tso, Edward (Department: 2858)

Electricity: battery or capacitor charging or discharging

Capacitor charging or discharging

C320S167000, C320S118000, C320S137000

Reexamination Certificate

active

07994756

ABSTRACT:
A power distribution circuit for use in a personal telecommunications device comprises a switched mode power supply configured to convert an input voltage and current from an energy source into an output voltage and current, a plurality of series-connected charge storage components arranged to be charged by the output voltage and a charge balancing circuit configured to substantially equalise voltages across each of the charge storage components, wherein the charge balancing circuit comprises a charge pump.

REFERENCES:
patent: 6373223 (2002-04-01), Anzawa et al.
patent: 7477040 (2009-01-01), Bolz et al.
patent: 2003/0169022 (2003-09-01), Turner et al.
patent: 2007/0279010 (2007-12-01), Okamura et al.
patent: 2008/0094042 (2008-04-01), Ferrario
patent: 2009/0273321 (2009-11-01), Gotzenberger et al.

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