CN1183484C - 用于数据载体的通信触点的输出级 - Google Patents
用于数据载体的通信触点的输出级 Download PDFInfo
- Publication number
- CN1183484C CN1183484C CNB018014720A CN01801472A CN1183484C CN 1183484 C CN1183484 C CN 1183484C CN B018014720 A CNB018014720 A CN B018014720A CN 01801472 A CN01801472 A CN 01801472A CN 1183484 C CN1183484 C CN 1183484C
- Authority
- CN
- China
- Prior art keywords
- data carrier
- communication
- output stage
- transistor
- contact
- 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
Links
Images
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
- G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory
Abstract
Description
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00890108 | 2000-04-04 | ||
EP00890108.4 | 2000-04-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1381021A CN1381021A (zh) | 2002-11-20 |
CN1183484C true CN1183484C (zh) | 2005-01-05 |
Family
ID=8175923
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB018014720A Expired - Fee Related CN1183484C (zh) | 2000-04-04 | 2001-03-26 | 用于数据载体的通信触点的输出级 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6581844B2 (zh) |
EP (1) | EP1272973B1 (zh) |
JP (1) | JP2003529986A (zh) |
CN (1) | CN1183484C (zh) |
AT (1) | ATE557361T1 (zh) |
WO (1) | WO2001075786A1 (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003529855A (ja) * | 2000-04-04 | 2003-10-07 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | データキャリアの更なる構成要素に電圧源を制御可能にする手段を含むチップを有するデータキャリア |
ATE316270T1 (de) * | 2001-08-08 | 2006-02-15 | Koninkl Philips Electronics Nv | Datenträger mit einer aktiven signalverarbeitungsschaltung und einer passiven signalverarbeitungsschaltung |
US7113547B2 (en) * | 2001-08-24 | 2006-09-26 | Matsushita Electric Industrial Co., Ltd. | Data communication system, controller device and data communication method |
US6780653B2 (en) | 2002-06-06 | 2004-08-24 | Micron Technology, Inc. | Methods of forming magnetoresistive memory device assemblies |
JP2005327104A (ja) * | 2004-05-14 | 2005-11-24 | Oki Electric Ind Co Ltd | 非接触データキャリア、質問器、非接触データキャリアシステム、非接触データキャリアのデータ取得方法、及び、非接触データキャリアのデータ取得用プログラム |
KR20090010109A (ko) * | 2006-05-10 | 2009-01-28 | 엔엑스피 비 브이 | 신호 전송 라인에 대한 공격을 검출하는 센서 |
US8334705B1 (en) | 2011-10-27 | 2012-12-18 | Certicom Corp. | Analog circuitry to conceal activity of logic circuitry |
US8635467B2 (en) | 2011-10-27 | 2014-01-21 | Certicom Corp. | Integrated circuit with logic circuitry and multiple concealing circuits |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2617976B1 (fr) * | 1987-07-10 | 1989-11-10 | Thomson Semiconducteurs | Detecteur electrique de niveau logique binaire |
FR2638869B1 (fr) * | 1988-11-10 | 1990-12-21 | Sgs Thomson Microelectronics | Dispositif de securite contre la detection non autorisee de donnees protegees |
DE19505097C1 (de) * | 1995-02-15 | 1996-06-05 | Siemens Ag | Verschlüsselungsvorrichtung |
EP1376460B1 (de) | 1995-06-02 | 2008-04-09 | Nxp B.V. | Chipkarte |
CA2171052C (en) * | 1995-09-29 | 2001-05-15 | Colin Harris | A tristatable output driver for use with 3.3 or 5 volt cmos logic |
US5847447A (en) * | 1996-07-09 | 1998-12-08 | Ambient Corporation | Capcitively coupled bi-directional data and power transmission system |
US6064740A (en) * | 1997-11-12 | 2000-05-16 | Curiger; Andreas | Method and apparatus for masking modulo exponentiation calculations in an integrated circuit |
DE19752695A1 (de) * | 1997-11-28 | 1999-06-02 | Angewandte Digital Elektronik | Elektronisches Schaltelement zur Sperrung von elektronischen Teilen in einer Chipkarte |
FR2776410B1 (fr) * | 1998-03-20 | 2002-11-15 | Gemplus Card Int | Dispositifs pour masquer les operations effectuees dans une carte a microprocesseur |
CA2333095C (en) * | 1998-06-03 | 2005-05-10 | Cryptography Research, Inc. | Improved des and other cryptographic processes with leak minimization for smartcards and other cryptosystems |
WO1999063696A1 (en) * | 1998-06-03 | 1999-12-09 | Cryptography Research, Inc. | Using unpredictable information to minimize leakage from smartcards and other cryptosystems |
US5998978A (en) * | 1998-06-29 | 1999-12-07 | Motorola, Inc. | Apparatus and method for reducing energy fluctuations in a portable data device |
US6298135B1 (en) * | 1999-04-29 | 2001-10-02 | Motorola, Inc. | Method of preventing power analysis attacks on microelectronic assemblies |
US6419159B1 (en) * | 1999-06-14 | 2002-07-16 | Microsoft Corporation | Integrated circuit device with power analysis protection circuitry |
US6308256B1 (en) * | 1999-08-18 | 2001-10-23 | Sun Microsystems, Inc. | Secure execution of program instructions provided by network interactions with processor |
-
2001
- 2001-03-26 WO PCT/EP2001/003447 patent/WO2001075786A1/en active Application Filing
- 2001-03-26 EP EP01917120A patent/EP1272973B1/en not_active Expired - Lifetime
- 2001-03-26 AT AT01917120T patent/ATE557361T1/de active
- 2001-03-26 JP JP2001573388A patent/JP2003529986A/ja not_active Withdrawn
- 2001-03-26 CN CNB018014720A patent/CN1183484C/zh not_active Expired - Fee Related
- 2001-04-03 US US09/825,275 patent/US6581844B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1272973A1 (en) | 2003-01-08 |
WO2001075786A1 (en) | 2001-10-11 |
US20020014536A1 (en) | 2002-02-07 |
ATE557361T1 (de) | 2012-05-15 |
US6581844B2 (en) | 2003-06-24 |
CN1381021A (zh) | 2002-11-20 |
JP2003529986A (ja) | 2003-10-07 |
EP1272973B1 (en) | 2012-05-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: NXP CO., LTD. Free format text: FORMER OWNER: ROYAL PHILIPS ELECTRONICS CO., LTD. Effective date: 20070914 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20070914 Address after: Holland Ian Deho Finn Patentee after: Koninkl Philips Electronics NV Address before: Holland Ian Deho Finn Patentee before: Koninklike Philips Electronics N. V. |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050105 Termination date: 20130326 |