Patent ID: 7281141

Claim:
A circuit comprising: a means for receiving power; a control circuit; a first switching means responsive to said control circuit for alternatively connecting and disconnecting said received power to an output port; a source impedance operatively connected to present a source impedance associated with the output port in an event of said received power being connected by said first switching means to the output port; an output capacitor associated with the output port; a means for unidirectional current flow operatively connected between said source impedance and said output capacitor, said means for unidirectional current flow preventing discharge of said output capacitor through said source impedance in the event of said power being disconnected by said first switching means from the output port; and a second switching means responsive to said control circuit to alternatively enable and disable a bypass path respective to said means for unidirectional current flow, said control circuit being operative via the operation of said second switching means to enable said bypass path prior to or substantially simultaneously with the operation of said first switching means to disconnect said received power from the output port, whereby said bypass path enables a discharge path for said output capacitor via said source impedance.