DK700988A - Fremgangsmaade og kredsloeb til manipuleringsbeskyttet sletning af ee-prom lagre - Google Patents

Fremgangsmaade og kredsloeb til manipuleringsbeskyttet sletning af ee-prom lagre

Info

Publication number
DK700988A
DK700988A DK700988A DK700988A DK700988A DK 700988 A DK700988 A DK 700988A DK 700988 A DK700988 A DK 700988A DK 700988 A DK700988 A DK 700988A DK 700988 A DK700988 A DK 700988A
Authority
DK
Denmark
Prior art keywords
procedure
delete
cycle
prom
prom storage
Prior art date
Application number
DK700988A
Other languages
English (en)
Other versions
DK700988D0 (da
DK170009B1 (da
Inventor
Hartmut Schrenk
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of DK700988D0 publication Critical patent/DK700988D0/da
Publication of DK700988A publication Critical patent/DK700988A/da
Application granted granted Critical
Publication of DK170009B1 publication Critical patent/DK170009B1/da

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C16/00—Erasable programmable read-only memories
    • G11C16/02—Erasable programmable read-only memories electrically programmable
    • G11C16/06—Auxiliary circuits, e.g. for writing into memory
    • G11C16/10—Programming or data input circuits
    • G11C16/14—Circuits for erasing electrically, e.g. erase voltage switching circuits
    • G11C16/16—Circuits for erasing electrically, e.g. erase voltage switching circuits for erasing blocks, e.g. arrays, words, groups
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • G07F7/0866—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means by active credit-cards adapted therefor
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C16/00—Erasable programmable read-only memories
    • G11C16/02—Erasable programmable read-only memories electrically programmable
    • G11C16/06—Auxiliary circuits, e.g. for writing into memory
    • G11C16/10—Programming or data input circuits

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Storage Device Security (AREA)
  • Read Only Memory (AREA)
  • Communication Control (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Credit Cards Or The Like (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
DK700988A 1987-12-17 1988-12-16 Fremgangsmåde og kredsløb til manipuleringsbeskyttet sletning af EE-PROM lagre DK170009B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3742894 1987-12-17
DE3742894 1987-12-17

Publications (3)

Publication Number Publication Date
DK700988D0 DK700988D0 (da) 1988-12-16
DK700988A true DK700988A (da) 1989-06-18
DK170009B1 DK170009B1 (da) 1995-04-24

Family

ID=6342886

Family Applications (1)

Application Number Title Priority Date Filing Date
DK700988A DK170009B1 (da) 1987-12-17 1988-12-16 Fremgangsmåde og kredsløb til manipuleringsbeskyttet sletning af EE-PROM lagre

Country Status (8)

Country Link
US (1) US5001332A (da)
EP (1) EP0321727B1 (da)
JP (1) JP2684606B2 (da)
AT (1) ATE73946T1 (da)
DE (1) DE3869366D1 (da)
DK (1) DK170009B1 (da)
ES (1) ES2029710T3 (da)
FI (1) FI98769C (da)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2524321Y2 (ja) * 1990-08-09 1997-01-29 日本信号株式会社 Ｉｃカード
US6166650A (en) * 1991-05-29 2000-12-26 Microchip Technology, Inc. Secure self learning system
FR2686989B1 (fr) * 1992-01-30 1997-01-17 Gemplus Card Int Procede de comptage de securite pour un compteur electronique binaire.
DK0570828T3 (da) * 1992-05-20 1999-05-10 Siemens Ag Fremgangsmåde og databærerindretning til ægthedsgenkendelse af lagerchips
FR2700864B1 (fr) * 1993-01-26 1995-04-14 Monetel Système détecteur de falsification d'informations mémorisées.
FR2703501B1 (fr) * 1993-04-01 1995-05-19 Gemplus Card Int Circuit intégré pour carte à mémoire et procédé de décomptage d'unités dans une carte à mémoire.
DE59406992D1 (de) * 1993-05-10 1998-11-05 Siemens Ag Verfahren und Schaltungsanordnung zum Entwerten einer Debit-Karte
PT681274E (pt) * 1994-05-06 2005-10-31 Ipm Internat S A Cartao pre-comprado com unidades de valor binarias e metodo para mudar no cartao uma quantidade representada por unidades de valor binario
EP0783741B1 (de) * 1994-09-30 1998-03-04 Siemens Aktiengesellschaft Datenübertragungssystem mit einem terminal und einer tragbaren datenträgeranordnung und verfahren zum wiederaufladen der tragbaren datenträgeranordnung mittels des terminals
US5841866A (en) * 1994-09-30 1998-11-24 Microchip Technology Incorporated Secure token integrated circuit and method of performing a secure authentication function or transaction
ES2130814T3 (es) * 1995-04-20 1999-07-01 Siemens Ag Tarjeta de credito electronica y procedimiento para recargar una tarjeta de credito electronica.
CA2193846C (en) 1995-05-17 2004-02-17 Bradford L. Farris Rolling code security system
US6980655B2 (en) * 2000-01-21 2005-12-27 The Chamberlain Group, Inc. Rolling code security system
US6690796B1 (en) 1995-05-17 2004-02-10 The Chamberlain Group, Inc. Rolling code security system
US7492905B2 (en) 1995-05-17 2009-02-17 The Chamberlain Group, Inc. Rolling code security system
GB2321738A (en) * 1997-01-30 1998-08-05 Motorola Inc Circuit and method of erasing a byte in a non-volatile memory
US6108326A (en) * 1997-05-08 2000-08-22 Microchip Technology Incorporated Microchips and remote control devices comprising same
DE19823955A1 (de) 1998-05-28 1999-12-02 Siemens Ag Verfahren und Anordnung zum Betreien eines mehrstufigen Zählers in einer Zählrichtung
EP1118065B1 (de) * 1998-09-30 2008-09-03 Infineon Technologies AG Schaltungsanordnung und verfahren zum authentifizieren des inhalts eines speicherbereichs
ES2222941T3 (es) 1999-11-29 2005-02-16 Infineon Technologies Ag Procedimiento y disposicion para el funcionamiento de un contador de etapas multiples en un sentido de recuento.
US9148409B2 (en) 2005-06-30 2015-09-29 The Chamberlain Group, Inc. Method and apparatus to facilitate message transmission and reception using different transmission characteristics
US8422667B2 (en) 2005-01-27 2013-04-16 The Chamberlain Group, Inc. Method and apparatus to facilitate transmission of an encrypted rolling code
US12149618B2 (en) 2005-01-27 2024-11-19 The Chamberlain Group Llc Method and apparatus to facilitate transmission of an encrypted rolling code
EP2498259B1 (en) * 2011-03-08 2018-11-07 Linear Technology Corporation Methods and system for erasing data stored in nonvolatile memory in low power applications
US9397500B2 (en) * 2013-06-28 2016-07-19 Solantro Semiconductor Corp. Inverter with extended endurance memory
US10652743B2 (en) 2017-12-21 2020-05-12 The Chamberlain Group, Inc. Security system for a moveable barrier operator
US11074773B1 (en) 2018-06-27 2021-07-27 The Chamberlain Group, Inc. Network-based control of movable barrier operators for autonomous vehicles
US11423717B2 (en) 2018-08-01 2022-08-23 The Chamberlain Group Llc Movable barrier operator and transmitter pairing over a network
US10997810B2 (en) 2019-05-16 2021-05-04 The Chamberlain Group, Inc. In-vehicle transmitter training

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPS5671885A (en) * 1979-11-15 1981-06-15 Nec Corp Semiconductor memory
JPS5943471A (ja) * 1982-09-06 1984-03-10 Nippon Telegr & Teleph Corp <Ntt> 支払いシステム
DE3315047A1 (de) * 1983-04-26 1984-10-31 Siemens AG, 1000 Berlin und 8000 München Integrierte schaltung mit einem als nichtfluechtiger schreib-lese-speicher ausgestalteten anwendungsspeicher
DE3318101A1 (de) * 1983-05-18 1984-11-22 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordung mit einem speicher und einer zugriffskontrolleinheit
DE3318123A1 (de) * 1983-05-18 1984-11-22 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung mit einem datenspeicher und einer ansteuereinheit zum auslesen, schreiben und loeschen des speichers
JPS61103761U (da) * 1984-12-13 1986-07-02
JPS62239286A (ja) * 1986-04-10 1987-10-20 Mitsubishi Electric Corp Ｉｃカ−ドシステム
DE3638505C2 (de) * 1986-11-11 1995-09-07 Gao Ges Automation Org Datenträger mit integriertem Schaltkreis

Also Published As

Publication number Publication date
US5001332A (en) 1991-03-19
FI885844L (fi) 1989-06-18
ES2029710T3 (es) 1992-09-01
ATE73946T1 (de) 1992-04-15
FI98769B (fi) 1997-04-30
EP0321727A1 (de) 1989-06-28
JP2684606B2 (ja) 1997-12-03
DK700988D0 (da) 1988-12-16
EP0321727B1 (de) 1992-03-18
JPH022099A (ja) 1990-01-08
FI885844A0 (fi) 1988-12-16
DK170009B1 (da) 1995-04-24
FI98769C (fi) 1997-08-11
DE3869366D1 (de) 1992-04-23

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Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
PBP Patent lapsed

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