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METHOD AND APPARATUS FOR CLOSED LOOP OFFSET CANCELLATION

  • US 20080178671A1
  • Filed: 01/25/2007
  • Published: 07/31/2008
  • Est. Priority Date: 01/25/2007
  • Status: Active Grant
First Claim
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1. A method for operating a transducer to sense acceleration, the method comprising the steps of:

  • producing a first signal proportional to the acceleration sensed by the transducer;

    producing a second signal based on the first signal, the second signal representing a low frequency component associated with an offset in the transducer; and

    actuating the transducer in response to the second signal to substantially compensate for the offset in the transducer.

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