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Continuous positioning apparatus and methods

  • US 8,506,497 B2
  • Filed: 05/14/2007
  • Issued: 08/13/2013
  • Est. Priority Date: 05/13/2006
  • Status: Active Grant
First Claim
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1. A method of determining one or more physiologic parameters using a simulated annealing-based algorithm running on a processor of an apparatus, said apparatus further comprising memory and a sensor, the method comprising:

  • receiving at said processor a first plurality of signals from said sensor;

    processing said first plurality of signals using said simulated annealing algorithm running on said processor, said simulated annealing algorithm comprising application of a random number indicating a dither sequence to be applied about one or more axes of interest to determine an optimal location of said sensor, a size or direction of a dither of said dither sequence being based at least in part on a confidence level associated to said first plurality of signals and on said random number;

    causing said sensor to relocate to a new location based at least in part on a proximity of said sensor to said optimal location; and

    determining said one or more physiologic parameters at said new location.

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