Aerosol-generating system having electromagnetic information markers
An aerosol-generating system comprising a cartridge ( 10 ) and an aerosol-generating device ( 100 ), the cartridge ( 10 ) comprising: an aerosol-forming substrate ( 14 ); a cartridge body ( 12 ) for holding the aerosol-forming substrate ( 14 ); and a first electromagnetic information marker ( 30 ); the aerosol-generating device ( 100 ) comprising: a housing ( 102 ) having a cavity ( 108 ) configured to receive at least a portion of the cartridge ( 10 ); and a second electromagnetic information marker ( 114 ); wherein the first ( 30 ) and second ( 114 ) electromagnetic information markers are positioned such that, when the at least a portion of the cartridge ( 10 ) is received within the cavity ( 108 ) of the aerosol-generating device ( 100 ), the first electromagnetic information marker ( 30 ) at least partially overlaps the second electromagnetic information marker ( 114 ) to enable information stored by the first electromagnetic information marker ( 30 ) to be read by magnetic interaction with the second electromagnetic information marker ( 114 ).
1 . An aerosol-generating system comprising a cartridge and an aerosol-generating device, the cartridge comprising:
an aerosol-forming substrate;
a cartridge body for holding the aerosol-forming substrate; and
a first electromagnetic information marker;
wherein the cartridge body comprises a connection portion configured to be received within a cavity of the aerosol-generating device, the first electromagnetic information marker being disposed on a surface of the connection portion;
the aerosol-generating device comprising:
a housing having the cavity configured to receive at least a portion of the cartridge;
a second electromagnetic information marker; and
a data reader configured to apply an alternating magnetic field to the first and second electromagnetic information markers when the connection portion of the cartridge is received in the cavity;
wherein the first and second electromagnetic information markers are positioned such that, when the at least a portion of the cartridge is received within the cavity of the aerosol-generating device, the first electromagnetic information marker at least partially overlaps the second electromagnetic information marker to enable information stored by the first electromagnetic information marker to be read by magnetic interaction with the second electromagnetic information marker;
wherein the data reader is configured to read the information from the first electromagnetic information marker by monitoring a response signal of the first and second electromagnetic information markers.
2 . The aerosol-generating system according to claim 1 , wherein the second electromagnetic information marker is disposed on a surface of the cavity, the surface of the cavity opposing the surface of the connection portion on which the first electromagnetic information marker is disposed when the connection portion is received within the cavity of the aerosol-generating device.
3 . The aerosol-generating system according to claim 1 , wherein the first and second electromagnetic information markers are disposed on planar surfaces of the connection portion and cavity respectively.
4 . The aerosol-generating system according to claim 1 , wherein the first and second electromagnetic information markers are disposed on rigid surfaces of the connection portion and cavity respectively.
5 . The aerosol-generating system according to claim 1 , wherein the first and second electromagnetic information markers comprise a metallic ink deposited on plastic portions of the connection portion and cavity respectively.
6 . The aerosol-generating system according to claim 1 , wherein the connection portion of the cartridge has a cuboid shape.
7 . The aerosol-generating system according to claim 1 , wherein the connection portion of the cartridge is configured to make a form-fit connection with the cavity of the aerosol-generating device and wherein the first and second electromagnetic information markers at least partially overlap when the form-fit connection is made.
8 . The aerosol-generating system according to claim 1 , wherein the first electromagnetic information marker comprises a first metallic material and the second electromagnetic information marker comprises a second metallic material, the second metallic material having a higher magnetic coercivity than the first metallic material.
9 . The aerosol-generating system according to claim 8 , wherein the first metallic material comprises an amorphous metal.
10 . The aerosol-generating system according to claim 1 , wherein the first electromagnetic information marker comprises a plurality of first electromagnetic information sub-markers and the second electromagnetic information marker comprises a corresponding plurality of second electromagnetic information sub-markers, wherein the first and second electromagnetic information markers are positioned such that, when the at least a portion of the cartridge is received within the cavity of the aerosol-generating device, each of the plurality of first electromagnetic information sub-markers at least partially overlaps a corresponding one of the plurality of second electromagnetic information sub-markers.
11 . The aerosol-generating system according to claim 10 , wherein each first electromagnetic information sub-marker and a corresponding one of the second electromagnetic information sub-markers together store 1 bit of data.