DK0624880T3 - Fremgangsmåde og kredsløb til nedtælling af værdien af et debitkort - Google Patents

Fremgangsmåde og kredsløb til nedtælling af værdien af et debitkort

Info

Publication number
DK0624880T3
DK0624880T3 DK94106764T DK94106764T DK0624880T3 DK 0624880 T3 DK0624880 T3 DK 0624880T3 DK 94106764 T DK94106764 T DK 94106764T DK 94106764 T DK94106764 T DK 94106764T DK 0624880 T3 DK0624880 T3 DK 0624880T3
Authority
DK
Denmark
Prior art keywords
circuit
value
debit card
counting down
procedure
Prior art date
Application number
DK94106764T
Other languages
English (en)
Inventor
Hartmut Dr Rer Nat 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
Application granted granted Critical
Publication of DK0624880T3 publication Critical patent/DK0624880T3/da

Links

Classifications

    • 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
    • G07F7/10—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 together with a coded signal, e.g. in the form of personal identification information, like personal identification number [PIN] or biometric data
    • G07F7/1008—Active credit-cards provided with means to personalise their use, e.g. with PIN-introduction/comparison system
    • 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
    • G06K19/06—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
    • G06K19/07—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 with integrated circuit chips
    • G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory
    • 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
    • G06K19/06—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
    • G06K19/07—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 with integrated circuit chips
    • G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory
    • G06K19/07309—Means for preventing undesired reading or writing from or onto record carriers
    • G06K19/07363—Means for preventing undesired reading or writing from or onto record carriers by preventing analysis of the circuit, e.g. dynamic or static power analysis or current analysis
    • 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
    • G06K19/06—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
    • G06K19/07—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 with integrated circuit chips
    • G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory
    • G06K19/07309—Means for preventing undesired reading or writing from or onto record carriers
    • G06K19/07372—Means for preventing undesired reading or writing from or onto record carriers by detecting tampering with the circuit
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
    • G06Q20/34—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using cards, e.g. integrated circuit [IC] cards or magnetic cards
    • G06Q20/341—Active cards, i.e. cards including their own processing means, e.g. including an IC or chip
    • 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
    • G07F7/0806—Details of the card
    • G07F7/0813—Specific details related to card security
    • G07F7/082—Features insuring the integrity of the data on or in the card
    • 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
    • G11C16/102—External programming circuits, e.g. EPROM programmers; In-circuit programming or reprogramming; EPROM emulators
    • 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
    • G11C16/102—External programming circuits, e.g. EPROM programmers; In-circuit programming or reprogramming; EPROM emulators
    • G11C16/105—Circuits or methods for updating contents of nonvolatile memory, especially with 'security' features to ensure reliable replacement, i.e. preventing that old data is lost before new data is reliably written
    • 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
    • G11C16/22—Safety or protection circuits preventing unauthorised or accidental access to memory cells
DK94106764T 1993-05-10 1994-04-29 Fremgangsmåde og kredsløb til nedtælling af værdien af et debitkort DK0624880T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4315542 1993-05-10

Publications (1)

Publication Number Publication Date
DK0624880T3 true DK0624880T3 (da) 1999-06-21

Family

ID=6487705

Family Applications (1)

Application Number Title Priority Date Filing Date
DK94106764T DK0624880T3 (da) 1993-05-10 1994-04-29 Fremgangsmåde og kredsløb til nedtælling af værdien af et debitkort

Country Status (6)

Country Link
US (1) US5511023A (da)
EP (1) EP0624880B1 (da)
AT (1) ATE171798T1 (da)
DE (1) DE59406992D1 (da)
DK (1) DK0624880T3 (da)
ES (1) ES2122075T3 (da)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19536548A1 (de) * 1995-09-29 1997-04-03 Ibm Vorrichtung und Verfahren zur vereinfachten Erzeugung von Werkzeugen zur Initialisierung und Personalisierung von und zur Kommunikation mit einer Chipkarte
US5768208A (en) * 1996-06-18 1998-06-16 Microchip Technology Incorporated Fail safe non-volatile memory programming system and method therefor
GB9925227D0 (en) 1999-10-25 1999-12-22 Internet Limited Data storage retrieval and access system
MXPA02011695A (es) * 2000-06-28 2004-02-12 Holdings Ltd G Sistema de transaccion con dispositivo personal portatil de identificacion y de control de transaccion.
AU2001258694A1 (en) * 2001-03-16 2002-10-03 G. Holdings Ltd. System and method for replacing identification data on a portable transaction device
US8626642B2 (en) 2003-08-22 2014-01-07 Compucredit Intellectual Property Holdings Corp. Iii System and method for dynamically managing a financial account
US7204412B2 (en) * 2003-10-14 2007-04-17 Compucredit Intellectual Property Holdings Corp. Iii Family stored value card program

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4301535A (en) * 1979-07-02 1981-11-17 Mostek Corporation Programmable read only memory integrated circuit with bit-check and deprogramming modes and methods for programming and testing said circuit
JPS5936393A (ja) * 1982-08-20 1984-02-28 Mitsubishi Electric Corp 不揮発性半導体メモリ装置
FR2580421A1 (fr) * 1985-04-12 1986-10-17 Eurotechnique Sa Memoire morte programmable electriquement
DE3869366D1 (de) * 1987-12-17 1992-04-23 Siemens Ag Verfahren und schaltung zum manipuliergeschuetzten entwerten von ee-prom-speichern.
US4875188A (en) * 1988-01-12 1989-10-17 Intel Corporation Voltage margining circuit for flash eprom
DK174975B1 (da) * 1988-05-06 2004-04-05 Toppan Printing Co Ltd Integreret kredsløbskort
FR2678094B1 (fr) * 1991-06-20 1993-10-08 France Telecom Carte a memoire de comptage de donnees et appareil de lecture.
FR2686998B1 (fr) * 1992-01-30 1994-03-25 Gemplus Card International Carte a puce a plusieurs protocoles de communication.
JPH05233901A (ja) * 1992-02-18 1993-09-10 Mitsubishi Electric Corp Ｉｃカード、ｉｃカード搭載用メモリｉｃ及びｉｃカードのメモリ容量の確認方法

Also Published As

Publication number Publication date
US5511023A (en) 1996-04-23
ATE171798T1 (de) 1998-10-15
ES2122075T3 (es) 1998-12-16
DE59406992D1 (de) 1998-11-05
EP0624880B1 (de) 1998-09-30
EP0624880A1 (de) 1994-11-17

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