Power control
AssigneeAuckland Uniservices Limited
InventorJohn Talbot Boys
Life of this patent
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Abstract
A pick-up circuit for an inductive power transfer (IPT) system includes a series-tuned pick-up coil and a plurality of parallel AC processing circuits provided between the series-tuned pick-up coil and an output, each processing circuit being adapted to produce an output signal based directly or indirectly at least in part on a voltage of the series-tuned pick-up coil and including a switch for selectively coupling the processing circuit to the output so as to selectively provide the respective output signal to the output of the pick-up circuit.
Claims19
A pick-up circuit for an inductive power transfer (IPT) system comprising a series-tuned pick-up coil and a plurality of parallel AC processing circuits provided between the series-tuned pick-up coil and an output, each processing circuit being adapted to produce an output signal based directly or indirectly at least in part on a voltage of the series-tuned pick-up coil and comprising a switch for selectively coupling the processing circuit to the output so as to selectively provide the respective output signal to the output of the pick-up circuit.
A method of controlling a pick-up in an inductive power transfer (IPT) system, the method comprising the steps of:
- providing a plurality of parallel AC processing circuits, each adapted to produce an output signal based directly or indirectly at least in part on an input voltage, wherein the input voltage is generated by inductive power transfer;
- and
- selectively coupling any number of the output signals to an output of the pick-up.
Dependencies are inferred from the claim text.