ES2133164T3 - Metodo de codificar un dispositivo codificable. - Google Patents

Metodo de codificar un dispositivo codificable.

Info

Publication number
ES2133164T3
ES2133164T3 ES94918934T ES94918934T ES2133164T3 ES 2133164 T3 ES2133164 T3 ES 2133164T3 ES 94918934 T ES94918934 T ES 94918934T ES 94918934 T ES94918934 T ES 94918934T ES 2133164 T3 ES2133164 T3 ES 2133164T3
Authority
ES
Spain
Prior art keywords
fused
link
coding
codable
code
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES94918934T
Other languages
English (en)
Inventor
John Bellew Falck
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bewator Cotag Ltd
Original Assignee
Bewator Cotag Ltd
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 Bewator Cotag Ltd filed Critical Bewator Cotag Ltd
Application granted granted Critical
Publication of ES2133164T3 publication Critical patent/ES2133164T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Read Only Memory (AREA)
  • Error Detection And Correction (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Amplifiers (AREA)
  • Fats And Perfumes (AREA)
  • Glass Compositions (AREA)
  • Programmable Controllers (AREA)
  • Fuses (AREA)

Abstract

UN DISPOSITIVO CODIFICABLE (50) CUYO CODIGO SE DETERMINA MEDIANTE QUE ENLACES FUSIBLES HAN SIDO FUSIBLEADOS, QUE SE CODIFICA MEDIANTE LA APLICACION DE UN VOLTAJE DE FUSIBLE DESDE UNA BOBINA DE ENTRADA (21) A CADA ENLACE A SU VEZ, EL DISPOSITIVO CONSTA DE UN CIRCUITO MONITOR (18,20,5) QUE PROPORCIONA UNA INDICACION A UNA UNIDAD DE PROGRAMACION EXTERNA QUE UN ENLACE (11) HA FUSIBLEADO, ENTONCES EL SELECTOR DE DATOS (9) BUSCA EL SIGUIENTE ENLACE A FUSIBLEAR. DESPUES DE COMPLETADA LA CODIFICACION SE FUSIBLEA UN NUEVO ENLACE FUSIBLE (111) PARA PROTEGER EL CODIGO ALMACENADO.
ES94918934T 1993-06-25 1994-06-24 Metodo de codificar un dispositivo codificable. Expired - Lifetime ES2133164T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB939313187A GB9313187D0 (en) 1993-06-25 1993-06-25 Coding device

Publications (1)

Publication Number Publication Date
ES2133164T3 true ES2133164T3 (es) 1999-09-01

Family

ID=10737822

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94918934T Expired - Lifetime ES2133164T3 (es) 1993-06-25 1994-06-24 Metodo de codificar un dispositivo codificable.

Country Status (8)

Country Link
EP (1) EP0705468B1 (es)
AT (1) ATE179269T1 (es)
AU (1) AU7003294A (es)
CA (1) CA2164970A1 (es)
DE (1) DE69418041T2 (es)
ES (1) ES2133164T3 (es)
GB (2) GB9313187D0 (es)
WO (1) WO1995000925A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2835946A1 (fr) * 2002-02-11 2003-08-15 St Microelectronics Sa Transpondeur electromagnetique a code programmable

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1567750A (en) * 1975-09-19 1980-05-21 Seldown Electronics Ltd Transponders
IT1207227B (it) 1979-08-09 1989-05-17 Ates Componenti Elettron Riproducibile. scheda elettronica a celle obliterabili con chiave di riconoscimento non riproducibile per apparecchi distributori di beni o servizi e metodo per la realizzazione di detta chiave non
DE3619530A1 (de) * 1986-04-11 1987-10-15 Wolfgang Dr Hoettler Datentraeger, insbesondere in etiketten- oder kartenform
US4887241A (en) * 1986-07-31 1989-12-12 Advanced Micro Devices, Inc. ECL PROM programming method and apparatus using ECL addressing means
FR2633420B1 (fr) * 1988-06-28 1992-02-21 Schlumberger Ind Sa Support d'informations et systeme de gestion de tels supports
GB2253489B (en) * 1991-03-06 1995-06-07 Motorola Inc Programmable read only memory
US5272388A (en) * 1992-06-09 1993-12-21 Actel Corporation High-yield methods for programming antifuses

Also Published As

Publication number Publication date
DE69418041T2 (de) 1999-12-09
ATE179269T1 (de) 1999-05-15
DE69418041D1 (de) 1999-05-27
WO1995000925A1 (en) 1995-01-05
GB9412736D0 (en) 1994-08-17
AU7003294A (en) 1995-01-17
GB9313187D0 (en) 1993-08-11
CA2164970A1 (en) 1995-01-05
GB2279474A (en) 1995-01-04
EP0705468A1 (en) 1996-04-10
EP0705468B1 (en) 1999-04-21

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