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Method and system for detecting one or more objects

  • US 8,692,785 B2
  • Filed: 12/28/2010
  • Issued: 04/08/2014
  • Est. Priority Date: 09/29/2010
  • Status: Active Grant
First Claim
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1. A method for detecting one or more objects, comprising:

  • receiving one or more induction signals caused by at least one object along one or more directions in space;

    identifying two or more values of the induction signal in one or more directions in space;

    comparing each of the two or more values with a reference;

    determining at least one upward trend and/or at least one downward trend in space if one of the two or more values is greater than the reference and another one of the two or more values is no greater than the reference; and

    determining the number of objects based on the number of upward trends and/or downward trends in space in each received induction signal;

    wherein the reference is obtained by measuring, averaging and evaluating an induction caliber of induction lines in one or more directions.

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