Baby sleep monitor

A monitor, baby technology, applied in the field of baby sleep monitor and baby monitoring sleeping, can solve the problem of cumbersome recalibration and so on

Inactive Publication Date: 2017-08-29
KONINKLJIJKE PHILIPS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, recalibration is tedious if it involves inputs from more invasive measurements like electroencephalogra

Method used

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  • Baby sleep monitor
  • Baby sleep monitor
  • Baby sleep monitor

Examples

Experimental program
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Embodiment Construction

[0037] figure 1 An exemplary baby sleep monitor is shown. The infant sleep monitor includes a camera 10 pointed at a bed 12 , a microphone 14 , a force sensor 16 , a data processing system 18 and a display 19 . A force sensor 16 is coupled to the bed 12 and is arranged to measure force as a function of time due to the weight of the infant in the bed and the acceleration of changes in gravity and pressure associated with its movement. Camera 10 , microphone 14 , force sensor 16 and display 19 are coupled to data processing system 18 .

[0038] In operation, the infant sleep monitor is used to determine infant sleep states as a function of time and to accumulate statistics of these sleep states.

[0039] When the necessary equipment is available, different sleep states can be directly distinguished based on EEG measurements and many similar measurement techniques. For infant sleep usually only two different sleep states are used, labeled quiet sleep and active sleep. However...

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Abstract

A sleep monitor for monitoring baby sleep uses sleep state classification based on heartbeat feature respiration features. The sleep monitor automatically retrains the classification during use of the sleep monitor. Training examples for use in this training process are generated automatically by detecting time instants whereat the baby in the bed is in a wake state, based on signals from the at least one of a sound feature detector a movement feature detector (112) and an open eye detector (114). The retraining may comprise using time sequence from the end of detection of wake states to assign a class to heartbeat feature and/or respiration feature values during that time sequence for the training process. In an embodiment, the retraining comprises clustering detected heartbeat feature and/or respiration feature values detected outside the detected wake states.

Description

technical field [0001] The present invention relates to an infant sleep monitor and method of monitoring a sleeping infant. Background technique [0002] WO2005055802 discloses a sleep guidance system designed to monitor a person's sleep stages and guide the person into a selected sleep stage. Sleep stages of normal adult human sleep include stages such as one or more "deep sleep" stages, "rapid eye movement" sleep stages, and the like. Traditionally, sleep stages have been determined based on electroencephalogram (EEG) measurements. However, other physiological measurements taken in humans can also be used to distinguish between different sleep stages. WO2005055802 mentions electrooculograms, electromyograms, electroencephalograms and other polysomnography monitors, microphones, motion sensors, humidity sensors, muscle tone monitors, blood pressure cuffs, respirators, pulse oximeters, thermometers and analogue, and gives two examples of heart rate, respiration, and tempe...

Claims

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Application Information

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IPC IPC(8): A61B5/00A61B5/0205A61B5/113
CPCA61B5/024A61B5/08A61B5/113A61B5/4809A61B5/72A61B5/7264A61B5/7275A61B5/349A61B5/0205A61B5/1103A61B5/4812A61B5/7267A61B2503/04
Inventor A·海恩里奇P·M·方赛卡
Owner KONINKLJIJKE PHILIPS NV
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