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Power monitoring system

  • US 7,474,088 B2
  • Filed: 04/11/2007
  • Issued: 01/06/2009
  • Est. Priority Date: 11/30/2001
  • Status: Expired due to Term
First Claim
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1. An electrical sensing device comprising:

  • (a) a first sensor comprising a first sensor body including a first sensor surface and defining a first aperture extending through said first sensor body;

    (b) a second sensor comprising a second sensor body attached to said first sensor body, said second sensor body including a second sensor surface and defining a second aperture extending through said second sensor body; and

    (c) a third sensor comprising a third sensor body attached to said second sensor body, said third sensor body including a third sensor surface and defining a third aperture extending through said third sensor body;

    said first sensor surface, said second sensor surface and said third sensor surface being substantially aligned along a linear axis and said first aperture, said second aperture and said third aperture being spaced in a non-overlapping relationship.

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