DE68918747D1 - IC-Karte mit Sicherungsmitteln gegen fehlerhaften Betrieb. - Google Patents

IC-Karte mit Sicherungsmitteln gegen fehlerhaften Betrieb.

Info

Publication number
DE68918747D1
DE68918747D1 DE68918747T DE68918747T DE68918747D1 DE 68918747 D1 DE68918747 D1 DE 68918747D1 DE 68918747 T DE68918747 T DE 68918747T DE 68918747 T DE68918747 T DE 68918747T DE 68918747 D1 DE68918747 D1 DE 68918747D1
Authority
DE
Germany
Prior art keywords
card
security devices
incorrect operation
devices against
against incorrect
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 - Fee Related
Application number
DE68918747T
Other languages
English (en)
Other versions
DE68918747T2 (de
Inventor
Nobuhiro Oki Electric I Tomari
Kouji Oki Electric In Tanagawa
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry Co 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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Publication of DE68918747D1 publication Critical patent/DE68918747D1/de
Application granted granted Critical
Publication of DE68918747T2 publication Critical patent/DE68918747T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G06K19/0701—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 at least one of the integrated circuit chips comprising an arrangement for power management
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • General Engineering & Computer Science (AREA)
  • Credit Cards Or The Like (AREA)
  • Debugging And Monitoring (AREA)
DE68918747T 1988-05-13 1989-05-11 IC-Karte mit Sicherungsmitteln gegen fehlerhaften Betrieb. Expired - Fee Related DE68918747T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63114709A JP2563475B2 (ja) 1988-05-13 1988-05-13 マイクロコンピュータ及びマイクロコンピュータを内蔵したｉｃカード

Publications (2)

Publication Number Publication Date
DE68918747D1 true DE68918747D1 (de) 1994-11-17
DE68918747T2 DE68918747T2 (de) 1995-05-04

Family

ID=14644660

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68918747T Expired - Fee Related DE68918747T2 (de) 1988-05-13 1989-05-11 IC-Karte mit Sicherungsmitteln gegen fehlerhaften Betrieb.

Country Status (4)

Country Link
US (1) US4990760A (de)
EP (1) EP0341712B1 (de)
JP (1) JP2563475B2 (de)
DE (1) DE68918747T2 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5245582A (en) * 1987-10-27 1993-09-14 Mitsubishi Denki Kabushiki Kaisha Memory card circuit with power-down control of access buffer
US5537584A (en) * 1989-06-13 1996-07-16 Hitachi Maxell, Ltd. Power instability control of a memory card and a data processing device therefor
JPH0366420U (de) * 1989-10-31 1991-06-27
FR2654235B1 (fr) * 1989-11-07 1992-01-17 Europ Rech Electr Lab Lecteur de carte a circuit integre a contacts.
US5625593A (en) * 1990-03-28 1997-04-29 Mitsubishi Denki Kabushiki Kaisha Memory card circuit with separate buffer chips
US5438185A (en) * 1990-06-27 1995-08-01 Brother Kogyo Kabushiki Kaisha IC card apparatus for connecting a reference potential terminal of a card connector to a main frame without a data transfer control portion being connected therebetween
FR2668274B1 (fr) * 1990-10-19 1992-12-31 Gemplus Card Int Circuit integre a securite d'acces amelioree.
JP2746801B2 (ja) * 1992-08-27 1998-05-06 三菱電機株式会社 Ｉｃカード及びｉｃカードの暗証番号照合方法
DE4230148C2 (de) * 1992-09-09 1994-08-25 Angewandte Digital Elektronik Schaltungsanordnung zum Nachweis einer Unterbrechung der elektrischen Verbindung von kontaktfrei arbeitenden Chipkarten zu ihrem Schreib/Lesegerät
JPH0721336A (ja) * 1993-07-05 1995-01-24 Mitsubishi Electric Corp 接触型携帯機器及び非接触型携帯機器
US5612634A (en) * 1994-09-26 1997-03-18 Zilog, Inc. Circuit for sensing whether or not an add-in board is inserted into a bus connector of a mother board
DE19531372A1 (de) * 1995-08-25 1997-02-27 Siemens Ag Chipkarte
CN1126056C (zh) * 1995-12-22 2003-10-29 汤姆森消费电子有限公司 故障检测和修正电路
US6164550A (en) * 1995-12-22 2000-12-26 Thomson Licensing S.A. Fault detection and modification circuit
JP3351498B2 (ja) * 1996-06-10 2002-11-25 株式会社日本コンラックス Ｉｃカードリーダライタ
JP3486057B2 (ja) * 1996-06-21 2004-01-13 株式会社東芝 半導体集積回路及び接触式ｉｃカード
JP3173438B2 (ja) 1997-06-04 2001-06-04 ソニー株式会社 メモリカード及び装着装置
JPH10340575A (ja) * 1997-06-04 1998-12-22 Sony Corp 外部記憶装置及びその制御装置、データ送受信装置
US6786417B1 (en) 1997-06-04 2004-09-07 Sony Corporation Memory card with write protection switch
US6802453B1 (en) 1997-06-04 2004-10-12 Sony Corporation External storage apparatus and control apparatus thereof, and data transmission reception apparatus
KR20030005822A (ko) * 2001-07-10 2003-01-23 삼성전자 주식회사 스마트카드 보호용 리세트 장치
KR100517554B1 (ko) * 2002-12-05 2005-09-28 삼성전자주식회사 보안 기능을 갖는 반도체 집적 회로
US7912439B2 (en) 2005-11-25 2011-03-22 Semiconductor Energy Laboratory Co., Ltd. Semiconductor device and operating method thereof
JP5072330B2 (ja) * 2005-11-25 2012-11-14 株式会社半導体エネルギー研究所 半導体装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6146576A (ja) * 1984-08-10 1986-03-06 Omron Tateisi Electronics Co Ｉｃカ−ドの不正アクセス防止システム
JPS625363U (de) * 1985-03-25 1987-01-13
JPS61229131A (ja) * 1985-04-03 1986-10-13 Nec Corp デバツグ装置
JPS62237592A (ja) * 1986-04-08 1987-10-17 Casio Comput Co Ltd Ｉｃカ−ドにおけるクロツク切換方式
FR2604555B1 (fr) * 1986-09-30 1988-11-10 Eurotechnique Sa Circuit integre du type circuit logique comportant une memoire non volatile programmable electriquement
FR2606199B1 (fr) * 1986-11-04 1988-12-09 Eurotechnique Sa Circuit integre du type circuit logique comportant une memoire non volatile programmable electriquement

Also Published As

Publication number Publication date
EP0341712A3 (en) 1990-06-06
JPH01286046A (ja) 1989-11-17
US4990760A (en) 1991-02-05
EP0341712B1 (de) 1994-10-12
EP0341712A2 (de) 1989-11-15
DE68918747T2 (de) 1995-05-04
JP2563475B2 (ja) 1996-12-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee