Method and device for supplying electric energy power to an...

Details Method and device for supplying electric energy power to an... Method and device for supplying electric energy power to an...

2002-11-08

2008-08-05

Sherry, Michael (Department: 2836)

Electrical transmission or interconnection systems

Plural supply circuits or sources

One source floats across or compensates for other source

C307S087000, C320S103000

Reexamination Certificate

active

07408272

ABSTRACT:
The invention concerns a portable device for electric power supply comprising: connection means (8) for connecting an appliance (1) to be powered; and a power supply circuit (6; 16) supplying in output a supply voltage for the appliance when the circuit is selectively connected to a mains supply or to a low-voltage electric power source. It may also comprise a battery (10). In that case, the circuit (6, 16) can charge the power storage means when the circuit is connected to an appropriate electric power source, the connection means ensuring power supply to the appliance (1) from the power storage means (10).

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