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Through-wall position sensor

  • US 7,394,244 B2
  • Filed: 10/22/2004
  • Issued: 07/01/2008
  • Est. Priority Date: 10/22/2003
  • Status: Active Grant
First Claim
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1. A through wall position sensor system comprising:

  • at least one field producing element separated by a wall from an array of sensors, wherein the array of sensors detects a property associated with the at least one field producing element and outputs a corresponding output signal indicative of the property associated with the at least one field producing element; and

    a processor communicatively coupled to the array of sensors for processing the output signal from one or more sensors, wherein the processor utilizes a tracking curve fit algorithm to analyze the output signal from the one or more sensors by fitting the output signals to a bell-shaped characteristic curve, wherein the tracking curve fit algorithm utilizes an iterative calculation that takes into account one or more prior sensor output signals to determine at least one of a lateral position of and/or a height of the bell-shaped characteristic curve and a best fit of the output signals to the bell-shaped characteristic curve to determine a position associated with the field producing element.

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