Patent ID: 7768153

Claim:
A dual input power supply, comprising: a dual input, having a first input and a second input; wherein said first input and said second input are separate and for connecting external sources; and wherein said first input is provided for an AC power input and said second input is provided for a DC power input; a connector; a power converter circuit; which comprises an AC-to-DC converter, a DC-to-DC converter, a feedback circuit, and a filter circuit; and an output; wherein said connector is an integrated magnetic element used for connecting different power signal inputs from said first input and said second input and providing an AC signal and a DC signal from a first output and a second output respectively; said integrated magnetic element comprises a magnetic core, a first set of coils, and an inductive coil; said first set of coils and said inductive coil share said magnetic core; said first set of coils comprise a primary side coil and a secondary side coil, said primary side coil having a contact serving as said first input, and said secondary side coil having a contact serving as said first output coupled to said AC-to-DC converter; said inductive coil has a first contact serving as said second input, and a second contact coupled to said DC-to-DC converter; said DC-to-DC converter comprises a JFET as an output protection circuit; and said first set of coils comprise a set of transformer coils and said inductive coil comprises a single current-resistance inductive coil.