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System of monitoring a person in a living space

  • US 9,928,716 B2
  • Filed: 07/30/2015
  • Issued: 03/27/2018
  • Est. Priority Date: 08/06/2014
  • Status: Active Grant
First Claim
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1. A system for monitoring a lifestyle of a person in a living space, comprising:

  • sensors located in the living space for detecting at least one of a presence of the person and an activity of the person, anda processor coupled to the sensors for;

    deriving events caused by the person and times when the events occur,detecting event-free periods, each of a first length, in which no events of a predetermined group occur, andderiving an estimate of in-bed time on the basis of a beginning of one said event-free period of at least the first length, detected in a first observation period beginning before a usual in-bed time, whereby the estimate of the in-bed time is determined by said beginning and is indicative of an actual time that the person has gone to bed, and whereby the usual in-bed time is representative of a time that the person usually goes to bed.

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