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Pressure distribution sensor and sensing method

  • US 7,331,245 B2
  • Filed: 11/22/2005
  • Issued: 02/19/2008
  • Est. Priority Date: 11/22/2005
  • Status: Expired due to Fees
First Claim
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1. An apparatus, comprising:

  • a fine sensor array comprising an array of fine pressure sensors and a coarse sensor array comprising an array of coarse pressure sensors wherein the fine sensor array and the coarse sensor array are positioned to overlap, the fine and coarse pressure sensors operable to produce respective pressure signals in response to pressure applied thereto, at least some of the pressure signals quantifying the pressure with greater than single-bit resolution, the coarse sensor array having a different spatial resolution than the fine sensor array; and

    a processor operable in response to the pressure signals to generate an information signal representing a spatial distribution of pressure applied to at least one of the fine sensor array and the coarse sensor array.

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