Method and apparatus to detect and measure current and transfer charge
First Claim
1. A passive electrical circuit element comprising an inductor surrounded by an electrically conductive sheet, wherein the electrically conductive sheet is electrically insulated from the inductor, and wherein the electrically conductive sheet is configured to transfer charge from the inductor to the conductive sheet in proportion to the current in the inductor.
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Abstract
A passive electrical circuit element is disclosed that comprises an inductor surrounded by an electrically conductive sheet, wherein the electrically conductive sheet is electrically insulated from the inductor, and wherein the electrically conductive sheet is configured to transfer charge from the inductor to the conductive sheet in proportion to the current in the inductor.
A transducer used to measure an unknown current in a circuit is disclosed that includes an inductor. The transducer comprises an electrically conductive sheet adapted to surround the inductor, while being electrically insulated from the inductor, and further including a device used to measure the charge transferred to the electrically conductive sheet when an unknown current is applied to the inductor.
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Citations
12 Claims
- 1. A passive electrical circuit element comprising an inductor surrounded by an electrically conductive sheet, wherein the electrically conductive sheet is electrically insulated from the inductor, and wherein the electrically conductive sheet is configured to transfer charge from the inductor to the conductive sheet in proportion to the current in the inductor.
- 5. A method of measuring an unknown current in a circuit that includes an inductor, the method comprising surrounding the inductor with an electrically conductive sheet wherein the electrically conductive sheet is electrically insulated from the inductor, and wherein the electrically conductive sheet is configured to transfer charge from the inductor to the conductive sheet in proportion to the current in the inductor, measuring the charge transferred to the conductive sheet in response to the unknown current, and correlating the charge transferred to the unknown current in the circuit.
Specification