Aerosol-generating article, device, and system

1. An aerosol-generating article, comprising:

an article body comprising smoking materials capable of generating aerosol; and

a magnetic recording medium disposed on a surface of the article body and/or inside the article body, wherein the magnetic recording medium is an information storage unit storing readable information; wherein the magnetic recording medium covers the smoking material, is covered by the smoking material, and/or is disposed in the smoking material.

2. The aerosol-generating article of claim 1 , wherein

the magnetic recording medium is film-shaped; the film-shaped magnetic recording medium is further constructed into a tubular structure; and the smoking material is disposed inside the tubular structure or carried by a surface of the tubular structure.

3. The aerosol-generating article of claim 1 , wherein

the readable information is attenuated or disappears at a temperature greater than a preset temperature, or the magnetic recording medium is weakened in magnetic strength or demagnetizes at the temperature greater than the preset temperature; the preset temperature is in a range from 100° C. to 300° C.

4. An aerosol-generating system, comprising

the aerosol-generating article of claim 1 and an aerosol-generating device.

5. The aerosol-generating article of claim 1 , wherein

the article body further comprises a carrying tube; the smoking material is disposed in the carrying tube; and

the magnetic recording medium is disposed in the smoking material and wrapped by the smoking material or disposed on an inner surface or an outer surface of the carrying tube.

6. The aerosol-generating article of claim 5 , wherein

the magnetic recording medium is a magnetic recording material layer directly disposed on the inner surface or the outer surface of the carrying tube.

7. The aerosol-generating article of claim 5 , wherein

the magnetic recording medium comprises a magnetic recording material layer and a substrate stacked with each other; and a surface of the substrate away from the magnetic recording material layer is attached to the inner surface or the outer surface of the carrying tube.

8. The aerosol-generating article of claim 5 , wherein the carrying tube is also an electric heating member.

9. The aerosol-generating article of claim 8 , further comprising

a first article-electrode and a second article-electrode spaced apart from each other;

the first article-electrode and the second article-electrode are respectively disposed at two ends of the electric heating member in an axial direction and electrically connected to the electric heating member.

10. The aerosol-generating article of claim 9 , wherein

the magnetic recording medium is a tubular structure and coaxially arranged with the electric heating member;

the magnetic recording medium is disposed between the first article-electrode and the second article-electrode and spaced apart from the first article-electrode and the second article-electrode.

11. The aerosol-generating article of claim 8 , further comprising

a first article-electrode and a second article-electrode spaced apart from each other, the first article-electrode and the second article-electrode are respectively strip-shaped structures extending along an axial direction of the electric heating member.

12. The aerosol-generating article of claim 11 , wherein

the magnetic recording medium is a strip-shaped structure extending along the axial direction of the electric heating member;

the magnetic recording medium is disposed between the first article-electrode and the second article-electrode and spaced apart from the first article-electrode and the second article-electrode.

13. The aerosol-generating article of claim 1 , wherein

the magnetic recording medium is film-shaped, the film-shaped magnetic recording medium is constructed into a tubular structure, and the magnetic recording medium is also an electric heating member;

the magnetic recording medium comprises a material with both electric heating effect and magnetic property, or a composite of an electric heating material and a magnetic material.

14. An aerosol-generating device, configured to provide electrical energy or thermal energy to the aerosol-generating article of claim 1 , wherein

the aerosol-generating device is provided with an accommodating cavity configured to accommodate the aerosol-generating article;

the aerosol-generating device comprises an information read unit; and the information read unit comprises a magnetic head disposed in the accommodating cavity and configured to read information.

15. The aerosol-generating device of claim 14 , wherein

the magnetic head is a plurality of magnetic heads; the plurality of magnetic heads are arranged along a circumferential direction or an axial direction of the accommodating cavity.

16. The aerosol-generating device of claim 14 , further comprising:

a power supply unit;

a drive unit; and

two device-electrodes,

wherein the power supply unit is configured to supply electric power to an electric heating member of the aerosol-generating article; the power supply unit is electrically connected to the two device-electrodes; the two device-electrodes are disposed in the accommodating cavity; and the drive unit is configured to drive the magnetic head and/or the aerosol-generating article to move relative to each other.

17. The aerosol-generating device of claim 16 , wherein

the drive unit comprises a magnetic head drive unit, an aerosol-generating article drive unit, or a combination thereof,

the magnetic head drive unit is connected to the magnetic head, and the magnetic head drive unit is configured to drive the magnetic head to rotate along a circumferential direction of the accommodating cavity or to move along an axial direction of the accommodating cavity; the aerosol-generating article drive unit is connected to the aerosol-generating article, and the aerosol-generating article drive unit is configured to drive the aerosol-generating article to rotate along a circumferential direction of the accommodating cavity or to move along an axial direction of the accommodating cavity.

18. The aerosol-generating article of claim 13 , wherein

the magnetic recording medium is also a carrying tube, and the smoking material is filled in the tubular structure.

19. The aerosol-generating article of claim 18 , wherein

the carrying tube is also an electric heating member, the aerosol-generating article further comprises a first article-electrode and a second article-electrode spaced apart from each other, the first article-electrode and the second article-electrode are respectively disposed at two ends of the electric heating member in the axial direction and electrically connected to the electric heating member; the first article-electrode and the second article-electrode respectively faces to a first device-electrode and a second device-electrode of an aerosol-generating device.

20. An aerosol-generating article, comprising:

an article body comprising a smoking material capable of generating aerosol; and

a magnetic recording medium covers the smoking material, is covered by the smoking material, and/or is disposed in the smoking material;

wherein the magnetic recording medium is an information storage unit storing readable information.