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Circuit for compensating for time variation of temperature in an inductive sensor

  • US 7,061,229 B2
  • Filed: 12/02/2004
  • Issued: 06/13/2006
  • Est. Priority Date: 07/24/2000
  • Status: Expired due to Term
First Claim
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1. An electronic device for sensing at least one parameter, comprising:

  • a first circuit element comprising a reactance and a resistance, said first circuit element comprising input terminals and output terminals;

    said input terminals for providing a first input signal and a second input signal different from said first signal to said first circuit element;

    said output terminals for providing a first output signal and a second output signal from said first circuit element;

    a second circuit element connected to said output terminals to use said first output signal and said second output signal, wherein said second circuit element generates a first parameter that depends exclusively on said resistance and a second parameter that depends exclusively on said reactance; and

    a third circuit element connected to said second circuit element wherein said third circuit element compensates gain of said second parameter for changes in said first parameter.

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