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Methods and devices for determining a synthetic signal of a bioelectric activity

A technology of synthesizing signals and bioelectricity, which is used in applications, medical science, telemetry patient monitoring, etc., and can solve problems such as inability to provide high-quality signals and disconnection of acquisition channels.

Active Publication Date: 2019-09-17
DREEM LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Often one or more acquisition channels are disconnected or unable to provide high quality signal

Method used

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  • Methods and devices for determining a synthetic signal of a bioelectric activity
  • Methods and devices for determining a synthetic signal of a bioelectric activity
  • Methods and devices for determining a synthetic signal of a bioelectric activity

Examples

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Embodiment Construction

[0033] In the different figures, the same reference numerals designate the same or similar elements.

[0034] figure 1 A device 1 for acquiring a robust synthetic signal indicative of the bioelectrical activity of an individual I is shown according to one embodiment of the invention.

[0035] Such a device 1 is capable of implementing a method according to the invention for determining a robust synthetic signal indicative of an individual's bioelectrical activity, for example as image 3 shown.

[0036] Such as figure 1 As shown, the device 1 comprises at least two electrodes 2 . The electrodes are placed in contact with or close to the individual I.

[0037] The electrodes 2 comprise measuring electrodes 2b capable of continuously acquiring at least two measuring signals M representing two physiological electrical signals of the individual I respectively.

[0038] The electrodes may comprise a bias electrode 2b adapted to maintain a predetermined potential at the head wi...

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Abstract

A method and a device for determining a robust synthetic signal indicative of a bioelectric activity of an individual. Two measurement signals (M) representative of physiological electrical signals of an individual are continuously acquired by means of electrodes (2). Two time series of confidence indices (C) are constructed, associated with the measurement signals. A synthetic signal (S) is determined from the measurement signals and the time series of confidence indices.

Description

technical field [0001] The present invention relates to methods and devices for determining robust synthetic signals indicative of an individual's bioelectrical activity, in particular indicative of brain wave activity. Background technique [0002] Such methods and systems are particularly useful for determining a robust electroencephalogram (EEG) signal for an EEG acquisition device comprising, for example, dry electrodes. [0003] The invention is particularly applicable to the field of acquisition and real-time processing of bioelectrical signals, especially by means of portable automatic equipment for signal acquisition and processing. [0004] When measuring bioelectrical signals with portable devices, especially when collected with dry electrodes, a major challenge is the robustness of the acquisition. Frequently, one or more acquisition channels are disconnected or unable to provide a high-quality signal. Therefore, the quality of acquisition varies greatly dependi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/0476A61B5/374
CPCA61B5/7221A61B5/7278A61B5/369A61B5/0006A61B5/291A61B5/316A61B5/374
Inventor 昆廷·索莱特 戴 布留吉雷休果·默西厄瓦伦廷·索雷马修·加尔蒂厄杰罗米·卡利法
Owner DREEM LLC
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