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Body-worn monitoring system for obtaining and evaluating data from a person

  • US 5,917,414 A
  • Filed: 08/14/1997
  • Issued: 06/29/1999
  • Est. Priority Date: 09/13/1996
  • Status: Expired due to Term
First Claim
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1. A monitoring system for obtaining and evaluating data from a person, comprising:

  • a motion sensor adapted to be carried body-proximate by a person to be monitored, said person having a daily routine including a motion pattern, said sensor producing a sensor signal dependent on body motion comprising said motion pattern of said daily routine;

    an evaluation unit adapted to be worn by said person to be monitored, said evaluation unit containing trainable means, supplied over time with said sensor signal, for learning said daily routine over time from said sensor signal and, after said daily routine has been sufficiently learned, for evaluating said signal to detect a motion of said person deviating from said motion pattern of said daily routine for identifying a non-routine condition of said person to be monitored dependent on said sensor signal; and

    said evaluation unit further including means for, upon identification of said non-routine condition, communicating with said person to be monitored to transmit a message perceptible only to said person to be monitored to prompt said person to alter said non-routine condition.

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