Power circuit and method for controlling same

Details Power circuit and method for controlling same Power circuit and method for controlling same

2006-07-04

2006-07-04

Sircus, Brian (Department: 2836)

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

C323S286000, C323S289000

Reexamination Certificate

active

07071668

ABSTRACT:
A power circuit is provided which has a small current peak value from a power source even when a load current repeats periodically, and a burst flow in a burst period and a non-burst flow in a non-burst period alternates. The power circuit includes a power source section, a power controlling section, and an energy storing section having a storage capacitor being connected to an output terminal, a current controlling circuit to control values of detecting a voltage input from a power source section and a control switching device having a field effect transistor switch and a circuit made up of a capacitor in which a flowing period of an output current is controlled by exerting the field effect transistor switch according to a control signal being produced by detecting a change in an input power voltage using a voltage occurring at another terminal of the detecting resistor.

REFERENCES:
patent: 6486567 (2002-11-01), Sano et al.
patent: 6760203 (2004-07-01), Usui
patent: 6858335 (2005-02-01), Schmidt et al.
patent: 6898090 (2005-05-01), Nishida et al.
patent: 2004/0075423 (2004-04-01), Itabashi et al.

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