DISTURBANCES INDICATOR FOR A WEARABLE DEVICE

Abstract

A system for measuring disturbances, which is intended to be worn by a user, the system including at least one bioelectric measurement element; an analogue-to-digital conversion device electrically connected to the at least one bioelectric measurement element; and at least one conductive track electrically connected to a ground of the system by use of a resistor and an input of the analogue-to-digital conversion device. Also, a garment including at least one system for measuring disturbances.

Claims

1-13. (canceled)

14. A system for measuring disturbances, which is intended to be worn by a user, said system comprising: at least one bioelectric measurement means configured to measure a body electrical signal and to receive external electromagnetic and/or electrostatic disturbances; an analogue-to-digital conversion device electrically connected to said at least one bioelectric measurement means; and at least one conductive track for measuring electromagnetic and/or electrostatic signals, said conductive track being electrically connected to a ground of the system by means of a resistor, and to an input of the analogue-to-digital conversion device.

15. The system according to claim 14, wherein the electrical signal measured by the at least one conductive track is subtracted from an electrical signal measured by the bioelectric measurement means in order to produce a resulting signal from which parasitic external signals have been removed.

16. The system according to claim 14, wherein a resistor coupled to the conductive track simulates a contact impedance between the skin and the bioelectric measurement means.

17. The system according to claim 14, wherein the length of said conductive track is greater than 1 cm.

18. The system according to claim 14, wherein the impedance of the resistor ranges between 10 kOhm and 100 MOhm.

19. The system according to claim 14, further comprising a capacitor connected in parallel with the resistor.

20. The system according to claim 19, wherein the capacitance of the capacitor ranges between 10 picofarads and 100 nanofarads.

21. The system according to claim 14, wherein the conductive track comprises a first end electrically connected to the ground of the system and to an input of the analogue-to-digital conversion device, and a second, free end.

22. The system according to claim 14, wherein the conductive track comprises a first end electrically connected to the ground of the system and a second end electrically connected to an input of the analogue-to-digital conversion device.

23. The system according to claim 14, further comprising a textile substrate or mechanical substrate, wherein the biometric measurement means and the conductive track are mechanically connected to said textile substrate or mechanical substrate.

24. The system according to claim 23, wherein the substrate is a textile substrate and the conductive track: comprises at least one conductive thread which is woven, embroidered, knitted or inserted through the textile substrate; or is a conductive ink or a conductive paint printed on the textile substrate.

25. A garment comprising at least one system for measuring disturbances according to claim 14.

26. A method for using the system for measuring disturbances according to claim 14 or a garment comprising at least one of said system for measuring disturbances comprising the following steps: measuring the signal obtained by the at least one bioelectric measurement means; measuring the signal obtained by the at least one conductive track; and processing said signals so as to subtract, from the signal measured by the bioelectric measurement means, the signal measured by the conductive track.

Description

BRIEF DESCRIPTION OF THE FIGURES

[0090] FIG. 1 is a schematic view of the system 1 according to one embodiment of the present invention where the conductive track 2 forms a loop antenna. The conductive track 2 has two ends; a first end is connected to the input 61 of the analogue-to-digital conversion device 6 and a second end is connected to the ground 7 of the system 1.

[0091] FIG. 2 is a schematic view of the system 1 according to one embodiment of the present invention where the conductive track 2 does not form a closed circuit. The conductive track 2 has a first end connected to the input 61 of the analogue-to-digital conversion device 6 and connected to the ground 7 of the system 1. The conductive track 2 comprises a second end which is not connected to a resistor or any electrically conductive element, so as to create an open circuit.

[0092] FIG. 3 is a schematic view of the system 1 according to one embodiment of the present invention according to FIG. 1, wherein a capacitor 9 is mounted in parallel with the resistor 8.

[0093] FIG. 4 is a schematic view of the system 1 according to one embodiment of the present invention according to FIG. 2, wherein a capacitor 9 is mounted in parallel with the resistor 8.

[0094] FIG. 5 is a schematic view of the system 1 according to one embodiment of the present invention according to FIG. 4, wherein the resistor 8 and the capacitor 9 are mounted on the textile or mechanical substrate 5 and not on the analogue-to-digital conversion device 6.

[0095] The figures have been produced for pedagogic purposes, in order to allow a reader of the present patent application to better identify the invention. The figures are therefore not to scale and the scope of said patent application cannot be considered to be limited by the distances measured on the figures.

REFERENCE SIGNS

[0096] 1System for measuring disturbances;

[0097] 2Conductive track;

[0098] 3Electrical connection means;

[0099] 4Bioelectric measurement means;

[0100] 5Substrate;

[0101] 6Analogue-to-digital conversion device;

[0102] 61Input of the analogue-to-digital conversion device;

[0103] 7System ground;

[0104] 8Resistor;

[0105] 9Capacitor.