Electrode for biopotential sensing

1. An electrode for biopotential sensing comprising:

a main electrode base;

at least a plurality of contact pins protruding from the main electrode base and configured to make contact with a subject's skin, wherein each of the plurality of contact pins comprises a conductive mesh having an elongated pillar shape, wherein the conductive mesh comprises a woven fabric comprising a plurality of conductive wires or fibres designed for being flexible and ensuring conductivity of the pins; and

a tip configured to be in contact with the conductive mesh and the subject's skin, wherein the tip is covered with a non-polarizable electrode material.

2. The electrode for biopotential sensing according to claim 1 wherein the elongated pillar shape conductive mesh has a width between 1 mm and 2.5 mm and a length that is greater than the width.

3. The electrode for biopotential sensing according to claim 1 wherein the non-polarizable electrode material comprises at least one material containing ions that are also present in biological fluids.

4. The electrode for biopotential sensing according to claim 1 wherein the tip is substantially rigid, wherein the tip comprises a spherical, hemispherical, or conical shape.

5. The electrode for biopotential sensing according to claim 1 wherein the conductive mesh comprises a core, wherein at least one portion of the core conductive mesh is hollow.

6. The electrode for biopotential sensing according to claim 1 wherein each contact pin of the plurality of contact pins comprises two or more conductive meshes having an elongated pillar shape.

7. The electrode for biopotential sensing according to claim 1 wherein the conductive mesh comprises a core, wherein at least one portion of the core comprises a flexible core material.

8. The electrode for biopotential sensing according to claim 7 wherein the flexible core material comprises an elastic or compressible material.

9. The electrode for biopotential sensing according to claim 8 , wherein the elastic or compressible material comprises at least one of: a foam or a polymer.

10. The electrode for biopotential sensing according to claim 7 wherein the flexible core material comprises additives so as to increase a conductivity of the material.

11. The electrode for biopotential sensing according to claim 1 wherein the main electrode base comprises a conductive material, or a non-conductive material comprising one or more conductors configured to make electrical contact with the conductive mesh.

12. The electrode for biopotential sensing according to claim 1 wherein the plurality of contact pins includes four or more pins.

13. A headset or biopotential monitoring system comprising an electrode for biopotential sensing according to claim 1 .

14. An electrode for biopotential sensing comprising:

a main electrode base, wherein the electrode is configured for dry-contact biopotential sensing;

at least a plurality of contact pins protruding from the main electrode base and configured to make contact with a subject's skin, wherein each of the plurality of contact pins comprises a conductive mesh having an elongated pillar shape, wherein the conductive mesh comprises a woven fabric comprising a plurality of conductive wires or fibres designed for being flexible and ensuring conductivity of the pins; and

a tip configured to be in contact with the conductive mesh and the subject's skin, wherein the tip is covered with a non-polarizable electrode material.

15. The electrode for biopotential sensing according to claim 14 wherein the conductive mesh comprises a core, wherein at least one portion of the core is hollow.

16. The electrode for biopotential sensing according to claim 14 wherein the conductive mesh comprises a core, wherein at least one portion of the core comprises a flexible core material.