Electricity: battery or capacitor charging or discharging – Battery or cell charging – Pulsed
Reexamination Certificate
2011-01-04
2011-01-04
Tso, Edward (Department: 2858)
Electricity: battery or capacitor charging or discharging
Battery or cell charging
Pulsed
C320S138000
Reexamination Certificate
active
07863865
ABSTRACT:
Embodiments of the present invention include techniques for charging a battery. In one embodiment, the present invention includes a method comprising determining if a maximum current output of a power source is above a threshold, configuring a regulator coupled to the power source, wherein the regulator is configured in a pass mode if the maximum current output is above the threshold, and wherein the regulator is configured in a regulation mode if the maximum current output is below the threshold, and generating pulses to a battery, wherein an output of the regulator is coupled to the battery when a pulse is being generated, and the output of the regulator is decoupled from the battery when a pulse is not being generated. In other embodiments, the techniques may be embodied in a circuit including a detection circuit and a switching regulator coupled to a battery through a pulse circuit.
REFERENCES:
patent: 5793184 (1998-08-01), O'Connor
patent: 6747444 (2004-06-01), Balakrishnan et al.
patent: 7535122 (2009-05-01), Visairo-Cruz et al.
patent: 7560898 (2009-07-01), Kranzen et al.
patent: 7570020 (2009-08-01), Kranzen et al.
Cho William
Hussain M. Abid
Kanamori Takashi
Sugasawara Daryl
Fountainhead Law Group PC
Ramadan Ramy
Summit Microelectronics Inc.
Tso Edward
Walsh Chad R.
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