WO2002063624A1 - System for identifying and authenticating a data recording support - Google Patents

System for identifying and authenticating a data recording support Download PDF

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Publication number
WO2002063624A1
WO2002063624A1 PCT/IB2002/000365 IB0200365W WO02063624A1 WO 2002063624 A1 WO2002063624 A1 WO 2002063624A1 IB 0200365 W IB0200365 W IB 0200365W WO 02063624 A1 WO02063624 A1 WO 02063624A1
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WO
WIPO (PCT)
Prior art keywords
support
data
data recording
identifying
optical
Prior art date
Application number
PCT/IB2002/000365
Other languages
French (fr)
Inventor
Marcello Lolli
Original Assignee
Marcello Lolli
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Marcello Lolli filed Critical Marcello Lolli
Publication of WO2002063624A1 publication Critical patent/WO2002063624A1/en

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/04—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the shape
    • G06K19/041—Constructional details
    • G06K19/042—Constructional details the record carrier having a form factor of a credit card and including a small sized disc, e.g. a CD or DVD
    • G06K19/045—Constructional details the record carrier having a form factor of a credit card and including a small sized disc, e.g. a CD or DVD the record carrier being of the non-contact type, e.g. RFID, and being specially adapted for attachment to a disc, e.g. a CD or DVD
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/0014—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form
    • G11B23/0021—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
    • G11B23/03—Containers for flat record carriers
    • G11B23/0301—Details
    • G11B23/0302—Auxiliary features
    • G11B23/0305—Semiconductor memories
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
    • G11B23/04—Magazines; Cassettes for webs or filaments
    • G11B23/041—Details
    • G11B23/042—Auxiliary features
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/28—Indicating or preventing prior or unauthorised use, e.g. cassettes with sealing or locking means, write-protect devices for discs

Definitions

  • the present invention relates to a data recording support provided with identifying means, in particular with means suitable for allowing to identify the support and to verify the origin thereof.
  • Pirating is at present one of the main and more perceived problems in the field of data recording supports, in particular in the field of already recorded supports, such as musical CD, DVD, floppy disks or CD on which computer programs are recorded, such problem causing great economic damages to producers of music, films and computer programs.
  • data recording supports in particular in the field of already recorded supports, such as musical CD, DVD, floppy disks or CD on which computer programs are recorded, such problem causing great economic damages to producers of music, films and computer programs.
  • At present pirating said data recording supports is very easy and the retailers and the consumers have no instruments for verifying whether a data recording support is pirated, the price too low for the product being in general the only sign of pirating.
  • the present invention provides a system for identifying and authenticating a data recording support which allows to quickly and confidently verify the origin of said support and to certificate the authenticity thereof.
  • a method for identifying and authenticating a data recording support of optical, magnetic or magneto-optical type comprises incorporating into said support remotely readable identifying means on which identifying data are recorded said data identifying origin and authenticity of the product.
  • a data recording support of magnetic, optical or magneto- optical type comprising remotely readable identifying means, identifying data being recorded on said identifying means for identifying the data recording support and the authenticity thereof.
  • the data recording support is suitable for being confidently identified by means of the data recorded on the identifying means integrated into the support, such data being univocal for any support and therefore certifying origin and authenticity thereof.
  • the possibility of remotely reading the data recorded on the identifying means makes very quick and easy identifying the support and verifying the authenticity thereof, so allowing said identifying and said verifying to be carried out on a great number of supports in a very short time.
  • Figure 1 shows identifying means according to the invention
  • Figure 2 is a sketched cross section of an optical data recording support according to the invention, of the printed
  • Figure 3 is a perspective, sketched and exploded view of the support of Figure 2;
  • Figure 4 is a sketched cross section of a data recording support of the rewritable CD type
  • Figure 5 is a perspective, sketched and exploded view of the support of Figure 4;
  • Figure 6 is a sketched cross section of a data recording support of the DVD single face and single layer type
  • Figure 7 is a perspective, sketched and exploded view of the support of Figure 6;
  • Figure 8 is a sketched cross section of a data recording support of the DVD single layer and double face type
  • Figure 9 is a perspective, sketched and exploded view of the support of Figure 8.
  • Figure 10 is a sketched cross section of a data recording support of the DVD double layer and single face type;
  • Figure 11 is a perspective and sketched view of the support of Figure 10;
  • Figure 12 is a sketched cross section of a data recording support of the DVD double layer and double face type;
  • Figure 13 is a perspective and sketched view of the support of Figure 12;
  • Figure 14 is a sketched cross section of a data recording support of the floppy disk type
  • Figure 8 is a sketched cross section of a data recording support of the floppy disk type.
  • identifying means comprising an integrated circuit 1 provided with memory, comprising a non-rewritable portion, in which a univocal identifying code of the integrated circuit may be stored, a rewritable portion, which may be protected against rewriting, in which identifying data may be stored for identifying a product with which the integrated circuit is to be associated, said identifying data allowing the product and the producer thereof to be univocally identified, so as to assure the authenticity of the product, and a freely rewritable portion, in which, for example, further data concerning said product may be stored in a modifiable manner. Said identifying data are used for assuring the origin and the authenticity of the product with which the label will be associated.
  • the integrated circuit 1 is associated with an antenna 2 allowing the integrated circuit 1 to receive and transmit radio-frequency signals. Reading data stored in the memory of the integrated circuit 1 and writing data into said memory are carried out by means of known remote reading/writing devices which communicate with the integrated circuit 1 by means of radio-frequency signals, which are received by the antenna 2 associated with the integrated circuit. The energy for operating the integrated circuit is supplied by the same radio-frequency signal emitted by the reading/writing device. It is possible to use reading/writing devices suitable for contemporaneously reading the data recorded on a plurality of integrated circuit 1. That allows to further speed up identifying and authenticating the data recording supports with which the integrated circuits 1 are associated, with remarkable time saving.
  • Figure 2 shows a sketched section of a data recording optical support 3 of the printed CD (Compact Disc) type, i.e. a support which may be used by the user only for reading data recorded thereon.
  • the optical support 3 comprises an active layer 4, for example of aluminium, on a face of which data are recorded for reproducing pieces of music, images, films, for executing computer programs etc...
  • the active layer 4 is arranged between a lower protective layer 5 and an upper protective layer 6, for example made of polycarbonate, which are suitable for protecting the active layer 4 from possible damages which may make the recorded data unreadable.
  • a printed label 7 is generally applied, containing information concerning the data recorded on the optical support 3.
  • the optical support 3 is provided with a bore 8 for coupling with driving means of a data reading device.
  • the active layer 4 normally comprises a region, surrounding the bore 8, free from data.
  • the integrated circuit 1, with the respective antenna 2 may be inserted between two of the layers forming the optical support 3, in a position in which the integrated circuit 1 does not interfere with data reading carried out by the reading device.
  • the integrated circuit 1, with the respective antenna 2 may be inserted between the active layer 4 and the upper protective layer ⁇ , or between the upper protective layer 6 and the label 7, so that the integrated circuit 1 and the antenna 2 thereof are not visible from the outside.
  • the integrated circuit 1 and the respective antenna 2 may also be arranged on the recorded layer 4, at the region free from data surrounding the bore 8 of the optical support 3.
  • Figure 3 in a perspective exploded view, a possible positioning of the integrated circuit 1 and its respective antenna 2 on the optical support 3 is shown.
  • Figure 4 is a sketched cross section of a data recording optical support 9 of recordable CD type, i.e. of the type allowing the user either to read the data recorded on the data recording optical support 9, either to write data on said data recording optical support 9.
  • the optical support 9 comprises a first protective layer 10, an active layer 11 made of polymeric material on which the data to be stored on the optical support 9 are recorded, a layer of protective lacquer 12, a further protective layer 13, with possible printable external surface, and a possible label 14.
  • the optical support 9 is further provided with a bore 15 for coupling with driving means of a data reading/writing device.
  • the integrated circuit 1, with the respective antenna 2 may be inserted between two of the layers which form the optical support 9, in a position in which the integrated circuit 1 does not interfere with data reading and/or writing carried out by the reading/writing device.
  • the integrated circuit 1 and the antenna 2 may be inserted between the active layer 11 and the layer 12 of protective lacquer, or between the layer 12 of protective lacquer and the further protective layer 13, or between the further protective layer 13 and the label 14.
  • the position of the integrated circuit 1 and its respective antenna 2 has to be such to do not prevent data recording on the polymeric layer 9 or data reading from said layer.
  • Figure 5 in a perspective exploded view, a possible positioning of the integrated circuit 1 and its respective antenna 2 on the optical support 9 is shown.
  • FIGs 6 and 7 there is schematically shown a data recording optical support 16 of single side and single layer DVD (Digital Versatile Disc) type, i.e. an optical support readable only on one side, with data recorded on a single layer.
  • This type of support comprises, from bottom upwardly, a transparent substrate 17, generally made of polycarbonate, through which reading data recorded on the support 16 is carried out, a reflecting layer 18, for example made of metallic material, a protective layer 19 and a possible label 20, applied on the protective layer 19.
  • the data stored on the optical support are recorded on the face of the transparent substrate 17 oriented toward the reflecting layer 18.
  • Data reading is carried out by means of a laser beam reading device, not shown, emitting a laser beam, which is focused on the face of the transparent substrate 17 on which the data stored on the support 16 are recorded ' and is reflected by the reflecting layer 18 toward the reading device.
  • the support 16 is provided with a central bore 21 for coupling with driving means of the reading device.
  • the integrated circuit 1, with the respective antenna 2 may be inserted between the reflecting layer 18 and the protective layer 19, as shown in Figures 6 and 7, or between the protective layer 19 and the label 20.
  • FIGs 8 and 9 there is schematically shown a data recording optical support 22 of single side and double layer DVD type, i.e. an optical support readable only on one side, with data recorded on two distinct layers.
  • This type of support comprises, from bottom upwardly in Figure 8, a transparent substrate 23 generally made of polycarbonate, through which reading the data recorded on the support 22 is carried out, a layer 24 of semireflecting material, a further transparent layer 25 also generally made of polycarbonate, a layer of totally reflecting material 26, a protective layer 27 and a possible label 28, applied on the protective layer 27.
  • the data stored on the support 22 are recorded on the face of the transparent substrate 23 oriented toward the layer 24 of semireflecting material and on the face of the further transparent layer 25 oriented toward the totally reflecting layer 26.
  • the support 22 is provided with a central bore 29 for coupling with driving means of a reading device.
  • the integrated circuit 1, with the respective antenna 2 may be inserted between the totally reflecting layer 26 and the protective layer 27, as shown in Figures 8 and 9, or between the protective layer 27 and the label 28.
  • a data recording optical support 30 of the double side and single layer DVD type i.e. a support readable on both sides.
  • This type of support comprises, from bottom upwardly in Figure 10, a first transparent substrate 31, for example made of polycarbonate, through which a first set of data recorded on the support 30 is read, a reflecting layer 32, a second transparent substrate 33, through which a second set of data recorded on the support 30 is read.
  • the first set of data is recorded on the side of the first transparent substrate 31 oriented towards the reflecting layer 32, whereas the second set of data is recorded on the side of the second transparent substrate 33 oriented towards the reflecting layer 32.
  • the support 30 is provided with central a bore 34 for coupling with driving means of a reading device.
  • a region of the first transparent substrate 31 immediately surrounding the central bore 34 and a corresponding region of the second transparent substrate 33 are normally free from recorded data.
  • a label 35 may be applied on one or both of these regions, without that said label 35 interferes with data reading.
  • the integrated circuit 1, with the respective antenna 2 may be applied on one of said regions free from data, under the possible label 35.
  • FIGs 12 and 13 there is schematically shown a data recording optical support 30 of double side and double layer DVD type, i.e. a support readable on both sides, with data recorded on two distinct layers on each side of the support.
  • This type of support comprises, from bottom upwardly in Figure 12, a first transparent substrate 37, for example made of polycarbonate, through which a first set and a second set of data recorded on the support 36 are read, a first layer of semireflecting material 38 on the face of which opposite to the transparent substrate 37 said first set of data is recorded, a layer of transparent material 39, for example made of polycarbonate, on the face of which opposite to the semireflecting layer 38 said second set of data is recorded, a layer 40 of reflecting material, a second layer 41 of transparent material, analogous to the layer 39, on the face of which oriented toward the reflecting layer 40 a third set of data is recorded, a second layer of semireflecting material 42 analogous to the first layer 38 of semireflecting material, on the face of which oriented toward the second layer
  • the support 36 is provided with a central bore 45 for coupling with driving means of a reading device.
  • Corresponding regions immediately surrounding the central bore 45 of the first semireflecting layer 38, of the first transparent layer 39, of the second transparent layer 41 and of the second semireflecting layer 42 are normally free from data recorded.
  • a label 44 may be applied on the first transparent substrate 37 or on the second transparent substrate 43 in a region thereof corresponding to said regions free from data, so that the label 44 does not interfere with data reading.
  • the integrated circuit 1, with the respective antenna 2 may be applied on one of said regions free from data, or under the possible label 44, as shown in Figure 12.
  • FIG 13 there is shown a data recording magnetic support 46 of the floppy disk type.
  • the support 46 comprises a disc 47 made of magnetic material, contained into a case 48 and provided with coupling means 50 suitable for allowing the disc 47 to be coupled with driving means of a reading device.
  • the support 46 may be provided with a label 49, applied on the external surface of the case 48.
  • the integrated circuit 1 and the respective antenna 2 may be applied, for example, under the label 49, as shown in Figure 13.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)

Abstract

A method for identifying and authenticating a data recording support (3, 9, 16, 22, 30, 36, 46) comprises incorporating into said support (3, 9, 16, 22, 30, 36, 46) remotely readable identifying means (1, 2) on which identifying data are recordable said data identifying origin and authenticity of said support (3, 9, 16, 22, 30, 36, 46). A data recording support (3, 9, 16, 22, 30, 36, 46) comprises remotely readable identifying means (1, 2), identifying data for identifying said support (3, 9, 16, 22, 30, 36, 46) and authenticity thereof being recordable on said identifying means (1, 2).

Description

System for identifying and authenticating a data recording support
The present invention relates to a data recording support provided with identifying means, in particular with means suitable for allowing to identify the support and to verify the origin thereof.
Pirating is at present one of the main and more perceived problems in the field of data recording supports, in particular in the field of already recorded supports, such as musical CD, DVD, floppy disks or CD on which computer programs are recorded, such problem causing great economic damages to producers of music, films and computer programs. At present pirating said data recording supports is very easy and the retailers and the consumers have no instruments for verifying whether a data recording support is pirated, the price too low for the product being in general the only sign of pirating.
Similarly, also the authorities appointed to the protection of the producers and consumers may have great difficulties in verifying whether a product is pirated or original, since there are no reliable instruments for identifying the product.
The present invention provides a system for identifying and authenticating a data recording support which allows to quickly and confidently verify the origin of said support and to certificate the authenticity thereof.
According to a first aspect of the present invention a method for identifying and authenticating a data recording support of optical, magnetic or magneto-optical type is provided, characterized in that it comprises incorporating into said support remotely readable identifying means on which identifying data are recorded said data identifying origin and authenticity of the product.
According to a further aspect of the present invention a data recording support of magnetic, optical or magneto- optical type is provided, comprising remotely readable identifying means, identifying data being recorded on said identifying means for identifying the data recording support and the authenticity thereof.
Owing to the invention, the data recording support is suitable for being confidently identified by means of the data recorded on the identifying means integrated into the support, such data being univocal for any support and therefore certifying origin and authenticity thereof.
Furthermore, the possibility of remotely reading the data recorded on the identifying means makes very quick and easy identifying the support and verifying the authenticity thereof, so allowing said identifying and said verifying to be carried out on a great number of supports in a very short time.
The invention will be now described hereinafter with reference to the enclosed drawings, which show some merely identifying and not restrictive embodiments thereof, in which:
Figure 1 shows identifying means according to the invention;
Figure 2 is a sketched cross section of an optical data recording support according to the invention, of the printed
CD type;
Figure 3 is a perspective, sketched and exploded view of the support of Figure 2;
Figure 4 is a sketched cross section of a data recording support of the rewritable CD type;
Figure 5 is a perspective, sketched and exploded view of the support of Figure 4;
Figure 6 is a sketched cross section of a data recording support of the DVD single face and single layer type;
Figure 7 is a perspective, sketched and exploded view of the support of Figure 6;
Figure 8 is a sketched cross section of a data recording support of the DVD single layer and double face type;
Figure 9 is a perspective, sketched and exploded view of the support of Figure 8;
Figure 10 is a sketched cross section of a data recording support of the DVD double layer and single face type; Figure 11 is a perspective and sketched view of the support of Figure 10;
Figure 12 is a sketched cross section of a data recording support of the DVD double layer and double face type; Figure 13 is a perspective and sketched view of the support of Figure 12;
Figure 14 is a sketched cross section of a data recording support of the floppy disk type;
Figure 8 is a sketched cross section of a data recording support of the floppy disk type.
In Figure 1 identifying means according to the invention is shown, comprising an integrated circuit 1 provided with memory, comprising a non-rewritable portion, in which a univocal identifying code of the integrated circuit may be stored, a rewritable portion, which may be protected against rewriting, in which identifying data may be stored for identifying a product with which the integrated circuit is to be associated, said identifying data allowing the product and the producer thereof to be univocally identified, so as to assure the authenticity of the product, and a freely rewritable portion, in which, for example, further data concerning said product may be stored in a modifiable manner. Said identifying data are used for assuring the origin and the authenticity of the product with which the label will be associated.
The integrated circuit 1 is associated with an antenna 2 allowing the integrated circuit 1 to receive and transmit radio-frequency signals. Reading data stored in the memory of the integrated circuit 1 and writing data into said memory are carried out by means of known remote reading/writing devices which communicate with the integrated circuit 1 by means of radio-frequency signals, which are received by the antenna 2 associated with the integrated circuit. The energy for operating the integrated circuit is supplied by the same radio-frequency signal emitted by the reading/writing device. It is possible to use reading/writing devices suitable for contemporaneously reading the data recorded on a plurality of integrated circuit 1. That allows to further speed up identifying and authenticating the data recording supports with which the integrated circuits 1 are associated, with remarkable time saving.
Figure 2 shows a sketched section of a data recording optical support 3 of the printed CD (Compact Disc) type, i.e. a support which may be used by the user only for reading data recorded thereon. The optical support 3 comprises an active layer 4, for example of aluminium, on a face of which data are recorded for reproducing pieces of music, images, films, for executing computer programs etc... The active layer 4 is arranged between a lower protective layer 5 and an upper protective layer 6, for example made of polycarbonate, which are suitable for protecting the active layer 4 from possible damages which may make the recorded data unreadable.
On the upper protective layer 6 a printed label 7 is generally applied, containing information concerning the data recorded on the optical support 3.
The optical support 3 is provided with a bore 8 for coupling with driving means of a data reading device.
The active layer 4 normally comprises a region, surrounding the bore 8, free from data.
The integrated circuit 1, with the respective antenna 2, may be inserted between two of the layers forming the optical support 3, in a position in which the integrated circuit 1 does not interfere with data reading carried out by the reading device. For example the integrated circuit 1, with the respective antenna 2, may be inserted between the active layer 4 and the upper protective layer β, or between the upper protective layer 6 and the label 7, so that the integrated circuit 1 and the antenna 2 thereof are not visible from the outside. The integrated circuit 1 and the respective antenna 2 may also be arranged on the recorded layer 4, at the region free from data surrounding the bore 8 of the optical support 3. In Figure 3, in a perspective exploded view, a possible positioning of the integrated circuit 1 and its respective antenna 2 on the optical support 3 is shown.
Figure 4 is a sketched cross section of a data recording optical support 9 of recordable CD type, i.e. of the type allowing the user either to read the data recorded on the data recording optical support 9, either to write data on said data recording optical support 9. The optical support 9 comprises a first protective layer 10, an active layer 11 made of polymeric material on which the data to be stored on the optical support 9 are recorded, a layer of protective lacquer 12, a further protective layer 13, with possible printable external surface, and a possible label 14. The optical support 9 is further provided with a bore 15 for coupling with driving means of a data reading/writing device.
The integrated circuit 1, with the respective antenna 2, may be inserted between two of the layers which form the optical support 9, in a position in which the integrated circuit 1 does not interfere with data reading and/or writing carried out by the reading/writing device. For example, the integrated circuit 1 and the antenna 2 may be inserted between the active layer 11 and the layer 12 of protective lacquer, or between the layer 12 of protective lacquer and the further protective layer 13, or between the further protective layer 13 and the label 14. In any case, the position of the integrated circuit 1 and its respective antenna 2 has to be such to do not prevent data recording on the polymeric layer 9 or data reading from said layer. In Figure 5, in a perspective exploded view, a possible positioning of the integrated circuit 1 and its respective antenna 2 on the optical support 9 is shown.
In Figures 6 and 7 there is schematically shown a data recording optical support 16 of single side and single layer DVD (Digital Versatile Disc) type, i.e. an optical support readable only on one side, with data recorded on a single layer. This type of support comprises, from bottom upwardly, a transparent substrate 17, generally made of polycarbonate, through which reading data recorded on the support 16 is carried out, a reflecting layer 18, for example made of metallic material, a protective layer 19 and a possible label 20, applied on the protective layer 19. The data stored on the optical support are recorded on the face of the transparent substrate 17 oriented toward the reflecting layer 18. Data reading is carried out by means of a laser beam reading device, not shown, emitting a laser beam, which is focused on the face of the transparent substrate 17 on which the data stored on the support 16 are recorded' and is reflected by the reflecting layer 18 toward the reading device. The support 16 is provided with a central bore 21 for coupling with driving means of the reading device. The integrated circuit 1, with the respective antenna 2, may be inserted between the reflecting layer 18 and the protective layer 19, as shown in Figures 6 and 7, or between the protective layer 19 and the label 20.
In Figures 8 and 9 there is schematically shown a data recording optical support 22 of single side and double layer DVD type, i.e. an optical support readable only on one side, with data recorded on two distinct layers. This type of support comprises, from bottom upwardly in Figure 8, a transparent substrate 23 generally made of polycarbonate, through which reading the data recorded on the support 22 is carried out, a layer 24 of semireflecting material, a further transparent layer 25 also generally made of polycarbonate, a layer of totally reflecting material 26, a protective layer 27 and a possible label 28, applied on the protective layer 27. The data stored on the support 22 are recorded on the face of the transparent substrate 23 oriented toward the layer 24 of semireflecting material and on the face of the further transparent layer 25 oriented toward the totally reflecting layer 26. The support 22 is provided with a central bore 29 for coupling with driving means of a reading device. The integrated circuit 1, with the respective antenna 2, may be inserted between the totally reflecting layer 26 and the protective layer 27, as shown in Figures 8 and 9, or between the protective layer 27 and the label 28.
In Figures 10 and 11 there is shown a data recording optical support 30 of the double side and single layer DVD type, i.e. a support readable on both sides. This type of support comprises, from bottom upwardly in Figure 10, a first transparent substrate 31, for example made of polycarbonate, through which a first set of data recorded on the support 30 is read, a reflecting layer 32, a second transparent substrate 33, through which a second set of data recorded on the support 30 is read. The first set of data is recorded on the side of the first transparent substrate 31 oriented towards the reflecting layer 32, whereas the second set of data is recorded on the side of the second transparent substrate 33 oriented towards the reflecting layer 32. The support 30 is provided with central a bore 34 for coupling with driving means of a reading device. A region of the first transparent substrate 31 immediately surrounding the central bore 34 and a corresponding region of the second transparent substrate 33 are normally free from recorded data. A label 35 may be applied on one or both of these regions, without that said label 35 interferes with data reading. The integrated circuit 1, with the respective antenna 2, may be applied on one of said regions free from data, under the possible label 35.
In Figures 12 and 13 there is schematically shown a data recording optical support 30 of double side and double layer DVD type, i.e. a support readable on both sides, with data recorded on two distinct layers on each side of the support. This type of support comprises, from bottom upwardly in Figure 12, a first transparent substrate 37, for example made of polycarbonate, through which a first set and a second set of data recorded on the support 36 are read, a first layer of semireflecting material 38 on the face of which opposite to the transparent substrate 37 said first set of data is recorded, a layer of transparent material 39, for example made of polycarbonate, on the face of which opposite to the semireflecting layer 38 said second set of data is recorded, a layer 40 of reflecting material, a second layer 41 of transparent material, analogous to the layer 39, on the face of which oriented toward the reflecting layer 40 a third set of data is recorded, a second layer of semireflecting material 42 analogous to the first layer 38 of semireflecting material, on the face of which oriented toward the second layer 41 of transparent material a fourth set of data is recorded and a second transparent substrate 43, analogous to the first transparent substrate 37, through which said third set and fourth set of data recorded on the support 38 are read. The support 36 is provided with a central bore 45 for coupling with driving means of a reading device. Corresponding regions immediately surrounding the central bore 45 of the first semireflecting layer 38, of the first transparent layer 39, of the second transparent layer 41 and of the second semireflecting layer 42 are normally free from data recorded. A label 44 may be applied on the first transparent substrate 37 or on the second transparent substrate 43 in a region thereof corresponding to said regions free from data, so that the label 44 does not interfere with data reading. The integrated circuit 1, with the respective antenna 2, may be applied on one of said regions free from data, or under the possible label 44, as shown in Figure 12.
In Figure 13 there is shown a data recording magnetic support 46 of the floppy disk type. The support 46 comprises a disc 47 made of magnetic material, contained into a case 48 and provided with coupling means 50 suitable for allowing the disc 47 to be coupled with driving means of a reading device. The support 46 may be provided with a label 49, applied on the external surface of the case 48. The integrated circuit 1 and the respective antenna 2 may be applied, for example, under the label 49, as shown in Figure 13. The use of the system according to the invention is not restricted to the described examples, but may be extended to any data recording support, for example magnetic tapes for recording sounds or images, phonographic records, etc..., being sufficient to identify, for any type of data recording support, a position in which the integrated circuit 1 and the respective antenna 2 are applied without interfering with reading data recorded on the support.
In practice, materials, dimensions and constructive details, may be different from, but technically equivalent to those described without departing from the scope of the present invention.

Claims

1. Method for identifying and authenticating a data recording support (3, 9, 16, 22, 30, 36, 46) , characterized in that it comprises incorporating into said support (3, 9, 16, 22, 30, 36, 46) remotely readable identifying means (1, 2) on which identifying data are recordable said data identifying origin and authenticity of said support (3, 9, 16, 22, 30, 36, 46) .
2. Method according to the claim 1, wherein said identifying means comprises an integrated circuit (1) , provided with memory in which said identifying data are recordable in a permanent and/or modifiable manner, an antenna (2), electrically connected with said integrated circuit, said antenna (2) being suitable for receiving and transmitting radio-frequency signals to a reading/writing device of said data in said memory.
3. Method according to the claim 1, or 2, wherein said identifying means (1, 2) is incorporated into said support (3, 9, 16, 22, 30, 36, 46) in a position such that said identifying means (1, 2) does not interfere with reading data recorded on said support (3, 9, 16, 22, 30, 36, 46) or writing data on said support (3, 9, 16, 22, 30, 36, 46) .
4. Method according to any one of the claims 1 to 3, wherein said data recording support (3, 9, 16, 22, 30, 36, 46) is a support of optical, magnetic or magneto-optical type.
5. Method according to any one of claims 1 to 3, wherein said data recording support is a phonographic record.
6. Data recording support (3, 9, 16, 22, 30, 36, 46) comprising remotely readable identifying means (1, 2) , identifying data for identifying said support (3, 9, 16, 22, 30, 36, 46) and authenticity thereof being recordable on said identifying means (1, 2) .
7. Data recording support (3, 9, 16, 22, 30, 36, 46) according to claim 6, wherein said identifying means comprises an integrated circuit (1) , provided with memory in said which identifying data are recordable, in a permanent and/or modifiable manner, an antenna (2) electrically connected with said integrated circuit, said antenna (2) being suitable for receiving and transmitting radio- frequency signals to a reading/writing device of said data in said memory.
8. Data recording support (3, 9, 16, 22, 30, 36, 46) according to claim 6, or 7, wherein said identifying means (1, 2) is incorporated into said support (3, 9, 16, 22, 30, 36, 46) in a position such that said identifying means (1, 2) does not interfere with reading data recorded on said support (3, 9, 16, 22, 30, 36, 46) or writing data on said support (3, 9, 16, 22, 30, 36, 46) .
9. Data recording support (3, 9, 16, 22, 30, 36, 46) according to any one of claims 6 to 8, characterized in that it is a support of optical, magnetic or magneto-optical type.
10. Data recording support (3) according to claim 9, characterized in that it is an optical support of the printed CD type.
11. Data recording support (9) according to claim 9, characterized in that it is an optical support of the rewritable CD type.
12. Data recording support (16) according to claim 9, characterized in that it is an optical support of the single side and single layer DVD type.
13. Data recording support (22) according to claim 9, characterized in that it is an optical support of the single side and double layer DVD type.
14. Data recording support (30) according to claim 9, characterized in that it is an optical support of the double side and single layer DVD type.
15. Data recording support (36) according to claim 9, characterized in that it is an optical support of the double side and double layer DVD type.
16 Data recording support (46) according to claim 9, characterized in that it is a magnetic support of the floppy disc type.
17. Data recording support according to claim 9, characterized in that it is a magnetic tape for recording sound and/or images.
18. Data recording support according to claim 9, characterized in that it is a phonographic record.
PCT/IB2002/000365 2001-02-08 2002-02-07 System for identifying and authenticating a data recording support WO2002063624A1 (en)

Applications Claiming Priority (2)

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IT2001MO000019A ITMO20010019A1 (en) 2001-02-08 2001-02-08 SYSTEM FOR THE IDENTIFICATION AND AUTHENTICATION OF A DATA REGISTRATION MEDIA
ITMO2001A000019 2001-02-08

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