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Reconfigurable coil techniques

  • US 8,772,976 B2
  • Filed: 03/30/2011
  • Issued: 07/08/2014
  • Est. Priority Date: 03/30/2011
  • Status: Active Grant
First Claim
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1. An apparatus, comprising:

  • a coil, including;

    a first electrically conductive portion, a second electrically conductive portion, and a switch coupled between the first and second conductive portions, the switch having a first setting and a second setting;

    wherein the first setting provides a first current path, the first current path having a first rotational sense in the first conductive portion and a second rotational sense in the second conductive portion; and

    wherein the second setting provides a second current path, the second current path having a same rotational sense in the first and second conductive portions.

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