FI98769B - Menetelmä ja kytkentä EE-PROM-muistien manipuloinnilta suojatuksi arvon käyttämiseksi - Google Patents

Menetelmä ja kytkentä EE-PROM-muistien manipuloinnilta suojatuksi arvon käyttämiseksi

Info

Publication number
FI98769B
FI98769B FI885844A FI885844A FI98769B FI 98769 B FI98769 B FI 98769B FI 885844 A FI885844 A FI 885844A FI 885844 A FI885844 A FI 885844A FI 98769 B FI98769 B FI 98769B
Authority
FI
Finland
Prior art keywords
tamper
procedure
connection
value reduction
prom memory
Prior art date
Application number
FI885844A
Other languages
English (en)
Swedish (sv)
Other versions
FI885844A (fi
FI98769C (fi
FI885844A0 (fi
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 FI885844A0 publication Critical patent/FI885844A0/fi
Publication of FI885844A publication Critical patent/FI885844A/fi
Publication of FI98769B publication Critical patent/FI98769B/fi
Application granted granted Critical
Publication of FI98769C publication Critical patent/FI98769C/fi

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)
  • Credit Cards Or The Like (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
  • Communication Control (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
FI885844A 1987-12-17 1988-12-16 Menetelmä ja kytkentä EE-PROM-muistien manipuloinnilta suojatuksi arvon käyttämiseksi FI98769C (fi)

Applications Claiming Priority (2)

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

Publications (4)

Publication Number Publication Date
FI885844A0 FI885844A0 (fi) 1988-12-16
FI885844A FI885844A (fi) 1989-06-18
FI98769B true FI98769B (fi) 1997-04-30
FI98769C FI98769C (fi) 1997-08-11

Family

ID=6342886

Family Applications (1)

Application Number Title Priority Date Filing Date
FI885844A FI98769C (fi) 1987-12-17 1988-12-16 Menetelmä ja kytkentä EE-PROM-muistien manipuloinnilta suojatuksi arvon käyttämiseksi

Country Status (8)

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

Families Citing this family (26)

* 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.
DE59308837D1 (de) * 1992-05-20 1998-09-10 Siemens Ag Verfahren und Datenträgeranordnung zur Echtheitserkennung von Speicherchips
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
DE59511003D1 (de) * 1994-05-06 2005-07-14 Ipm Internat S A Wertkarte mit binären Werteinheiten und Verfahren zum Verschieben einer mit binären Werteinheiten dargestellten Grösse auf der Wertkarte
ES2113754T3 (es) * 1994-09-30 1998-05-01 Siemens Ag Sistema de transmision de datos con un terminal y una disposicion de soporte de datos portatil y procedimiento para recargar la disposicion de soporte de datos portatil por medio del terminal.
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
BR9606663A (pt) 1995-05-17 1997-09-16 Chamberlain Group Inc Transmissor para enviar um sinal criptografado para controlar um atuador receptor para receber um sinal criptografado de um transmissor e para gerar um sinal de atuação e receptor para receber um sinal de frequência de rádio criptografado de um transmissor e para gerar um sinal de atuação
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
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
CN1217299C (zh) * 1998-09-30 2005-08-31 因芬尼昂技术股份公司 鉴别存储区内容的电路装置和方法
WO2001039144A1 (de) 1999-11-29 2001-05-31 Infineon Technologies Ag Verfahren und anordnung zum betreiben eines mehrstufigen zählers in einer zählrichtung
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
CN102890966B (zh) * 2011-03-08 2016-12-14 凌力尔特有限公司 低电力应用中擦除储存于非易失性存储器中的数据的方法和系统
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 (fi) * 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
JP2684606B2 (ja) 1997-12-03
FI885844A (fi) 1989-06-18
ES2029710T3 (es) 1992-09-01
EP0321727B1 (de) 1992-03-18
FI98769C (fi) 1997-08-11
EP0321727A1 (de) 1989-06-28
ATE73946T1 (de) 1992-04-15
DK700988D0 (da) 1988-12-16
DK700988A (da) 1989-06-18
US5001332A (en) 1991-03-19
DE3869366D1 (de) 1992-04-23
FI885844A0 (fi) 1988-12-16
JPH022099A (ja) 1990-01-08
DK170009B1 (da) 1995-04-24

Similar Documents

Publication Publication Date Title
FI98769B (fi) Menetelmä ja kytkentä EE-PROM-muistien manipuloinnilta suojatuksi arvon käyttämiseksi
FI883531A0 (fi) Foerfarande och anordning foer framstaellning av ett kamflaensor av plast.
FI852244L (fi) Behandling av felmedia i en skivstation till ett massaminne.
FI801422A (fi) Icke-linjaer behandling av information foer en vertikal detalj i en videobild
KR890010913A (ko) 고속으로 데이타를 소거할 수 있는 반도체 메모리
SE8000735L (sv) Magnetiskt bubbelminne
DE3382017D1 (de) Kompakter festwertspeicher mit reduzierter zugriffzeit.
FI873677A (fi) Foerfarande och anordning foer kylande av en fraon en slitsdysa till ett kylsystem straengsprutad smaeltmembran.
FI843750L (fi) Anordning och foerfarande foer omvandling av ett nummer fraon binaerform till decimalform.
JPS529330A (en) Magnetic bubble cassette memory equipment
JPS5394835A (en) Memory unit
JPS54142031A (en) Memory circuit
FR2437677B1 (fr) Circuit de programmation d&#39;une memoire de lecture de microprocesseur
SU963098A1 (ru) Оптоэлектронный элемент пам ти
FI842381A0 (fi) Foerfarande foer foerflyttning av ett skyddsnaet vid ett lastutrymme pao ett fordon och anordning foer genomfoerande av foerfarandet.
JPS5216139A (en) Magnetic babble memory unit
JPS5534315A (en) Association memory device
JPS53123904A (en) Record player
JPS52107737A (en) Semiconductor memory circuit
JPS5549764A (en) Memory control system
JPS53130940A (en) Memory unit
JPS5513470A (en) Multi-channel controller
KR880013928U (ko) 엠 에프 엠 리드데이타신호 발생회로
RO71323A2 (ro) Bloc electronic de aprindere cu acumulare capacitiva de energie
IT7921864V0 (it) Raccoglitore per schede contenenti dischi magnetici per piccoli elaboratori elettronici.

Legal Events

Date Code Title Description
BB Publication of examined application
FG Patent granted

Owner name: SIEMENS AKTIENGESELLSCHAFT

MA Patent expired