JP2009157611A - 磁気ヘッド - Google Patents

磁気ヘッド Download PDF

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Publication number
JP2009157611A
JP2009157611A JP2007334490A JP2007334490A JP2009157611A JP 2009157611 A JP2009157611 A JP 2009157611A JP 2007334490 A JP2007334490 A JP 2007334490A JP 2007334490 A JP2007334490 A JP 2007334490A JP 2009157611 A JP2009157611 A JP 2009157611A
Authority
JP
Japan
Prior art keywords
firmware
magnetic head
processing unit
central processing
key
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.)
Pending
Application number
JP2007334490A
Other languages
English (en)
Japanese (ja)
Other versions
JP2009157611A5 (2
Inventor
Yasuo Izuyama
康夫 伊豆山
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.)
Cis Electronica Industria & Comercio Ltda
Original Assignee
Cis Electronica Industria & Comercio Ltda
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 Cis Electronica Industria & Comercio Ltda filed Critical Cis Electronica Industria & Comercio Ltda
Priority to JP2007334490A priority Critical patent/JP2009157611A/ja
Priority to CN2008801227284A priority patent/CN101939755A/zh
Priority to BRPI0819531A priority patent/BRPI0819531A2/pt
Priority to EP08864735A priority patent/EP2234036A1/en
Priority to PCT/JP2008/073285 priority patent/WO2009081896A1/ja
Priority to US12/810,599 priority patent/US20100265617A1/en
Publication of JP2009157611A publication Critical patent/JP2009157611A/ja
Publication of JP2009157611A5 publication Critical patent/JP2009157611A5/ja
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
    • G11B5/00804—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic sheets
    • G11B5/00808—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic sheets magnetic cards
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/08—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
    • G06K7/082—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors
    • G06K7/083—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors inductive
    • G06K7/084—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors inductive sensing magnetic material by relative movement detecting flux changes without altering its magnetised state
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/388—Payment protocols; Details thereof using mutual authentication without cards, e.g. challenge-response
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00137—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to contents recorded on or reproduced from a record carrier to authorised users
    • G11B20/00144—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to contents recorded on or reproduced from a record carrier to authorised users involving a user identifier, e.g. a unique customer ID
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0894—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3271—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using challenge-response
    • H04L9/3273—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using challenge-response for mutual authentication
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/17—Card-like record carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Accounting & Taxation (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Business, Economics & Management (AREA)
  • Strategic Management (AREA)
  • Finance (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Storage Device Security (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Digital Magnetic Recording (AREA)
JP2007334490A 2007-12-26 2007-12-26 磁気ヘッド Pending JP2009157611A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2007334490A JP2009157611A (ja) 2007-12-26 2007-12-26 磁気ヘッド
CN2008801227284A CN101939755A (zh) 2007-12-26 2008-12-22 磁头
BRPI0819531A BRPI0819531A2 (pt) 2007-12-26 2008-12-22 "cabeça magnética"
EP08864735A EP2234036A1 (en) 2007-12-26 2008-12-22 Magnetic head
PCT/JP2008/073285 WO2009081896A1 (ja) 2007-12-26 2008-12-22 磁気ヘッド
US12/810,599 US20100265617A1 (en) 2007-12-26 2008-12-22 Magnetic head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007334490A JP2009157611A (ja) 2007-12-26 2007-12-26 磁気ヘッド

Publications (2)

Publication Number Publication Date
JP2009157611A true JP2009157611A (ja) 2009-07-16
JP2009157611A5 JP2009157611A5 (2) 2011-01-27

Family

ID=40801197

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007334490A Pending JP2009157611A (ja) 2007-12-26 2007-12-26 磁気ヘッド

Country Status (6)

Country Link
US (1) US20100265617A1 (2)
EP (1) EP2234036A1 (2)
JP (1) JP2009157611A (2)
CN (1) CN101939755A (2)
BR (1) BRPI0819531A2 (2)
WO (1) WO2009081896A1 (2)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090159709A1 (en) 2007-12-24 2009-06-25 Dynamics Inc. Advanced dynamic credit cards
JP2018055757A (ja) * 2016-09-30 2018-04-05 日本電産サンキョー株式会社 磁気データ処理装置及び磁気データ処理方法
JP2018088165A (ja) * 2016-11-29 2018-06-07 日本電産サンキョー株式会社 カードリーダ及びカードリーダの制御方法
US11153074B1 (en) 2018-06-18 2021-10-19 Amazon Technologies, Inc. Trust framework against systematic cryptographic
US12335386B2 (en) 2020-03-25 2025-06-17 Nec Corporation Encryption terminal, encryption management device, encrypted communication system, and method

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11203433A (ja) * 1998-01-20 1999-07-30 Shinko Electric Co Ltd 非接触ｉｃカードシステムおよび該非接触ｉｃカードシステムにおける不具合処理方法
JP2000090597A (ja) * 1998-09-07 2000-03-31 Hitachi Ltd 磁気ディスク装置
JP2001143213A (ja) * 1999-08-30 2001-05-25 Anritsu Corp 磁気ヘッドおよびそれを用いた端末機器
JP2003100011A (ja) * 2001-09-26 2003-04-04 Nec Corp 光ディスク装置、そのファームウェア書き換え方法およびそのプログラム
JP2004005161A (ja) * 2002-05-31 2004-01-08 Mitsubishi Electric Corp セキュリティシステム
JP2004530984A (ja) * 2001-05-18 2004-10-07 オーツー マイクロ， インコーポレーテッド 起動前認証システム
JP2004318838A (ja) * 2003-03-28 2004-11-11 Ricoh Co Ltd ソフトウェア更新装置、ソフトウェア更新システム、ソフトウェア更新方法及びプログラム
JP2007287003A (ja) * 2006-04-19 2007-11-01 Cis Electronica Industria & Comercio Ltda 磁気カード読み取りシステム

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7310735B1 (en) * 1999-10-01 2007-12-18 International Business Machines Corporation Method, system, and program for distributing software between computer systems
JP2003317202A (ja) * 2002-04-11 2003-11-07 Cis Electronica Industria & Comercio Ltda 磁気読み取り装置の磁気ヘッド
US7506812B2 (en) * 2004-09-07 2009-03-24 Semtek Innovative Solutions Corporation Transparently securing data for transmission on financial networks

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11203433A (ja) * 1998-01-20 1999-07-30 Shinko Electric Co Ltd 非接触ｉｃカードシステムおよび該非接触ｉｃカードシステムにおける不具合処理方法
JP2000090597A (ja) * 1998-09-07 2000-03-31 Hitachi Ltd 磁気ディスク装置
JP2001143213A (ja) * 1999-08-30 2001-05-25 Anritsu Corp 磁気ヘッドおよびそれを用いた端末機器
JP2004530984A (ja) * 2001-05-18 2004-10-07 オーツー マイクロ， インコーポレーテッド 起動前認証システム
JP2003100011A (ja) * 2001-09-26 2003-04-04 Nec Corp 光ディスク装置、そのファームウェア書き換え方法およびそのプログラム
JP2004005161A (ja) * 2002-05-31 2004-01-08 Mitsubishi Electric Corp セキュリティシステム
JP2004318838A (ja) * 2003-03-28 2004-11-11 Ricoh Co Ltd ソフトウェア更新装置、ソフトウェア更新システム、ソフトウェア更新方法及びプログラム
JP2007287003A (ja) * 2006-04-19 2007-11-01 Cis Electronica Industria & Comercio Ltda 磁気カード読み取りシステム

Also Published As

Publication number Publication date
WO2009081896A1 (ja) 2009-07-02
US20100265617A1 (en) 2010-10-21
BRPI0819531A2 (pt) 2019-05-07
CN101939755A (zh) 2011-01-05
EP2234036A1 (en) 2010-09-29

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