Systems for storing and transferring data

• US 4,102,493 A
• Filed: 05/13/1976
• Issued: 07/25/1978
• Est. Priority Date: 05/13/1975
• Status: Expired due to Term

• Current Assignee: Societe Internationale Pour L'Innovation
• Original Assignee: Societe Internationale Pour L'Innovation
• Inventors: Moreno, Roland
• Primary Examiner(s): Cook, D. W.
• Application Number:
  US05/686,011
• Time in Patent Office: 803 Days
• Field of Search: 235/61.7 R, 235/61.7 B, 235/61.8 A, 235/61.6 R, 340/149 A, 340/173 R
• US Class Current: 235/419
• CPC Class Codes: G06Q 40/02 Banking, e.g. interest calculation or account maintenance credit or loans G06Q40/03
• CPC Class Codes: G07F 7/1008 Active credit-cards provided with means to personalise their use, e.g. with PIN-introduction/comparison system
• CPC Class Codes: G07F 7/1025 Identification of user by a PIN code

Abstract

A system for storing and transferring data in confidential manner, the system comprising: at least one independent electronic portable article, and at least one independent transfer device, the portable article comprising: at least one store for storing data in an easily transportable form containing enabling data, coupling means accessible from the exterior of the portable article and used for temporarily coupling the portable article to the transfer device, and store control circuits connected between the coupling means and the store, an identification circuit entirely contained in the portable article and connected to the store and the coupling means, the identification circuit comparing the enabling data in the store with a confidential item introduced into the transfer device by the possessor of the portable article; the store and the control circuits being constructed in the form of logic microstructures; the transfer device comprising: means actuated by the person in possession of the portable store, so as to insert a confidential item into the transfer device, and means for transferring data to the portable article.

Claims

1. A system for storing and transferring data in confidential manner, the system comprising:

at least one independent electronic portable article, and at least one independent transfer device, the portable article comprising;

at least one store for storing data in an easily transportable form containing enabling data, coupling means accessible from the exterior of the portable article and used for temporarily coupling the portable article to the transfer device, and store control circuits connected between the coupling means and the store, an identification circuit entirely contained in the portable article and connected to the store and the coupling means, the identification circuit comparing the enabling data in the store with a confidential item introduced into the transfer device by the possessor of the portable article;

the store and the control circuits being constructed in the form of logic microstructures;

the transfer device comprising;

means actuated by the person in possession of the portable store, so as to insert a confidential item into the transfer device, and means for transferring data to the portable article.

2. A system according to claim 1, such that:

the store in the portable article is organised in m words containing n bits, the system being characterised in that;

the identification circuit comprises a parallel comparator connected in parallel to the n store output conductors and to the data transfer means via coupling means when the portable article is coupled to the transfer device.

3. A system according to claim 2, characterised in that the parallel comparator actuates at least one authorisation gate for transferring data via a store circuit with which it is connected in series.

4. A system according to claim 3, characterised in that the store circuit comprises a trigger circuit.

5. A system according to claim 2, such that the enabling data are in the store at given addresses, the system being characterised in that the portable article comprises an address detector connected to the store addressing circuit and actuating at least one gate authorising transfers.

6. A system according to claim 5, such that the data to be compared are contained in the first address, the system being characterised in that the address detector comprises an OR gate connected in parallel to the store addressing circuit.

7. A system according to claim 1, such that the store organised in one-bit words is sequentially addressed, the system being characterised in that the identification circuit comprises a sequential comparator connected to the store output and to the data transfer means via coupling means when the portable article is coupled to the transfer device.

8. A system according to claim 7, characterised in that the sequential comparator is an EXCLUSIVE OR gate.

9. A system according to claim 8, characterised in that the sequential comparator actuates at least one transfer-authorising gate via a store circuit associated with an address detector connected in parallel to the store addressing circuit.

10. A system according to claim 9, characterised in that the enabling data are contained in the first n addresses in the store, and the store is addressed bit by bit by an addressing counter actuated by a clock, the system being characterised in that the addressing counter is in the portable article.

11. A system according to claim 10, characterised in that the address detector is a decoding means connected in parallel to the store addressing circuit at the addressing counter output.

12. An independent electronic portable article designed to store and transfer data in confidential manner, for coupling to a data transfer device, the portable article comprising:

at least one store for storing data in easily transportable form containing enabling data, coupling means accessible from the exterior of the portable article and used for temporarily coupling the portable article to the transfer device, said coupling means comprising input means, the portable article comprising further store actuating circuits connected between the coupling means and the store, and an identification circuit connected between the store and the input means of the coupling means and comparing the enabling data in the store with a confidential item which is introduced into the transfer device by the possessor of the portable article and transferred therein through the input means, the store and control circuits being constructed in the form of logic microstructures.

13. A portable article according to claim 12, such that the store in the portable article is organised into m words of n bits, the portable article being characterised in that the identification circuit comprises a parallel comparator connected in parallel to the n output conductors of the store and to the data transfer device via coupling means when the portable article is coupled to the transfer device.

14. A portable article according to claim 13, characterised in that the parallel comparator actuates at least one gate for authorising the transfer of data via a store circuit with which it is connected in series.

15. A portable article according to claim 14, characterised in that the store circuit comprises a trigger circuit.

16. A portable article according to claim 13, such that:

the enabling date are in the store at given addresses;

the portable article being characterised in that it comprises an address detector connected to the store addressing circuit and actuating at least one transfer-authorising gate.

17. A portable article according to claim 16, such that the data to be compared are contained in the first address, the portable article being characterised in that the address detector comprises an OR gate connected in parallel to the addressing circuit in the store.

18. A portable article according to claim 13, characterised in that the store is organised in one-bit words and sequentially addressed, the portable article being characterised in that the identification circuit comprises a sequential comparator connected to the store output and to a data transfer device via coupling means when the portable article is coupled to the transfer device.

19. A portable article according to claim 18, characterised in that the sequential comparator is an EXCLUSIVE OR gate.

20. A portable article according to claim 19, characterised in that the sequential comparator actuates at least one transfer authorisation gate via a store circuit associated with an address detector connected in parallel to the addressing circuit in the store.

21. A portable article according to claim 20, such that the enabling data are contained in the first n addresses in the store, and the store is addressed bit by bit by an address counter actuated by a clock in the transfer device.

22. A portable article according to claim 21, characterised in that the address detector is a decoding means connected in parallel to the store addressing circuit at the output of the addressing counter.

23. A system for storing and tranferring data in confidential manner, the system comprising:

at least one independent electronic portable article, and at least one independent transfer device, the portable article comprising;

at least one store for storing data in an easily transportable form containing enabling data, coupling means accessible from the exterior of the portable article and used for temporarily coupling the portable article to the transfer device, said coupling means comprising input means, the portable article comprising further store control circuits connected between the coupling means and the store, and identification circuit entirely contained in the portable article and connected between the store and the input means of the coupling means, the identification circuit comparing the enabling data in the store with a confidential item introduced into the transfer device by the possessor of the portable article and transferred therein through the input means;

the store and the control circuits being constructed in the form of logic microstructures;

the transfer device comprising;

means actuated by the person in possession of the portable store, so as to insert a confidential item into the tranfer device, and means for transferring data to the portable article.

24. An independent electronic portable article designed to store and transfer data in confidential manner, for coupling to a data transfer device, the portable article comprising:

at least one store for storing data in easily transportable form containing enabling data, the store being organized into m words of n bits, coupling means accessible from the exterior of the portable article and used for temporarily coupling the portable article to the transfer device, store actuating circuits connected between the coupling means and the store, and an identification circuit connected to the store and to the coupling means and comparing the enabling data in the store with a confidential item which is introduced into the tranfer device by the possessor of the portable article and transferred therein, the store and control circuits being constructed in the form of logic microstructures, and the identification circuit comprising a parallel comparator connected in parallel to the n output conductors of the store and to the data transfer device via coupling means when the portable article is coupled to the tranfer device.