DE60138051D1 - Magnetkartenleser sowie Wiedergabe- und Demodulationsverfahren - Google Patents

Magnetkartenleser sowie Wiedergabe- und Demodulationsverfahren

Info

Publication number
DE60138051D1
DE60138051D1 DE60138051T DE60138051T DE60138051D1 DE 60138051 D1 DE60138051 D1 DE 60138051D1 DE 60138051 T DE60138051 T DE 60138051T DE 60138051 T DE60138051 T DE 60138051T DE 60138051 D1 DE60138051 D1 DE 60138051D1
Authority
DE
Germany
Prior art keywords
playback
card reader
magnetic card
demodulation method
demodulation
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 - Lifetime
Application number
DE60138051T
Other languages
English (en)
Inventor
Mitsuo Yokozawa
Hiroshi Nakamura
Shinya Morozumi
Keiji Hoson
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.)
Nidec Instruments Corp
Original Assignee
Nidec Sankyo Corp
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
Priority claimed from JP2000015010A external-priority patent/JP2001209903A/ja
Priority claimed from JP2000179431A external-priority patent/JP3869186B2/ja
Priority claimed from JP2000324439A external-priority patent/JP3711232B2/ja
Priority claimed from JP2000338901A external-priority patent/JP3963643B2/ja
Application filed by Nidec Sankyo Corp filed Critical Nidec Sankyo Corp
Application granted granted Critical
Publication of DE60138051D1 publication Critical patent/DE60138051D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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; CALCULATING OR 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
    • 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
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • 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
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
    • G11B20/10203—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter baseline correction
    • 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
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10305—Improvement or modification of read or write signals signal quality assessment
    • G11B20/10314—Improvement or modification of read or write signals signal quality assessment amplitude of the recorded or reproduced signal
    • 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
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • 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
    • 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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • 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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/09—Digital recording
    • 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
    • G11B20/00007—Time or data compression or expansion
    • 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
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • G11B2020/1062—Data buffering arrangements, e.g. recording or playback buffers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Digital Magnetic Recording (AREA)
DE60138051T 2000-01-24 2001-01-23 Magnetkartenleser sowie Wiedergabe- und Demodulationsverfahren Expired - Lifetime DE60138051D1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2000015010A JP2001209903A (ja) 2000-01-24 2000-01-24 磁気カードリーダ及び磁気データの再生方法
JP2000179431A JP3869186B2 (ja) 2000-06-15 2000-06-15 磁気記録データのデータ復調方法
JP2000324439A JP3711232B2 (ja) 2000-10-24 2000-10-24 磁気記録データのデータ復調方法及び復調装置
JP2000338901A JP3963643B2 (ja) 2000-11-07 2000-11-07 磁気記録データのデータ復調方法

Publications (1)

Publication Number Publication Date
DE60138051D1 true DE60138051D1 (de) 2009-04-30

Family

ID=27480950

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60138051T Expired - Lifetime DE60138051D1 (de) 2000-01-24 2001-01-23 Magnetkartenleser sowie Wiedergabe- und Demodulationsverfahren

Country Status (3)

Country Link
US (3) US6570722B2 (de)
EP (4) EP1605389B1 (de)
DE (1) DE60138051D1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6674786B1 (en) * 1999-04-23 2004-01-06 Sankyo Seiki Mfg. Co., Ltd. Data demodulation
JP2002169597A (ja) * 2000-09-05 2002-06-14 Victor Co Of Japan Ltd 音声信号処理装置、音声信号処理方法、音声信号処理のプログラム、及び、そのプログラムを記録した記録媒体
GB2377317B (en) * 2001-07-07 2004-09-08 Hewlett Packard Co A data read channel and method of controlling the same
KR100435494B1 (ko) * 2001-11-21 2004-06-09 한국전자통신연구원 디지털 통신에서의 동기 수행 시스템 및 그 방법
US20030132919A1 (en) * 2002-01-16 2003-07-17 Compal Electronics, Inc. Assembly of a computerized device capable of further operation only after identifying a touch pen exclusive thereto
EP1394555B1 (de) * 2002-08-30 2012-04-25 STMicroelectronics S.r.l. Grenzbeschleunigungsaufnehmer
US7837110B1 (en) * 2005-05-28 2010-11-23 Maxim Integrated Products, Inc. Magnetic stripe reader having digital peak detector
JP4797136B2 (ja) * 2005-09-27 2011-10-19 日本電産サンキョー株式会社 磁気データ読取回路及びカード処理装置
US7487067B2 (en) * 2005-12-19 2009-02-03 L-3 Integrated Systems Company Signal-driven recovery of a digital pulse stream
JP2007311002A (ja) * 2006-05-22 2007-11-29 Nidec Sankyo Corp 磁気データの復調方法
US7557745B2 (en) * 2006-09-12 2009-07-07 Texas Instruments Incorporated Apparatus and method for managing access to the analog-to-digital conversion results
EP1993077B1 (de) * 2007-05-17 2011-12-14 Nidec Sankyo Corporation Verfahren und Vorrichtung zur magnetischen Zeichenerkennung
US8011577B2 (en) * 2007-12-24 2011-09-06 Dynamics Inc. Payment cards and devices with gift card, global integration, and magnetic stripe reader communication functionality
WO2010038413A1 (ja) * 2008-09-30 2010-04-08 日本電産サンキョー株式会社 磁気カードリーダ及び磁気データ読取方法
US8727219B1 (en) * 2009-10-12 2014-05-20 Dynamics Inc. Magnetic stripe track signal having multiple communications channels
JP6169322B2 (ja) * 2012-03-30 2017-07-26 日本電産サンキョー株式会社 情報再生装置および情報再生方法
US8534555B1 (en) * 2012-05-15 2013-09-17 Cypress Semiconductor Corporation Reconfiguration of a card reader for wake-on-swipe
JP6050059B2 (ja) * 2012-08-30 2016-12-21 日本電産サンキョー株式会社 データ復調装置、データ復調方法、磁気記録データ再生装置、およびプログラム
WO2014121732A1 (en) * 2013-02-06 2014-08-14 BBPOS Limited Magnetic stripe reader with card swipe information feedback

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5786121A (en) * 1980-11-14 1982-05-29 Nippon Shiyuuhenki Kk Data reproducing circuit of magnetic recorder and reproducer
JPS59257A (ja) * 1982-06-25 1984-01-05 Pioneer Electronic Corp デイジタル変調信号読取装置
JPS5930217A (ja) * 1982-08-06 1984-02-17 インタ−ナシヨナル　ビジネス　マシ−ンズ　コ−ポレ−シヨン 誤り検出機能を有する復調器
US4626670A (en) * 1983-06-16 1986-12-02 Xico, Inc. Method and system for decoding time-varying, two-frequency, coherent-phase data
JPS61261917A (ja) * 1985-05-15 1986-11-20 Mitsubishi Electric Corp 直流再生回路
IT1185412B (it) * 1985-10-10 1987-11-12 Honeywell Inf Systems Tseparatore digitale di dati
DE3714244C2 (de) * 1987-04-29 2001-05-17 Wilfried Rinas Verfahren zum Erfassen und Darstellen von Lesesignalen von Magnetstreifenspuren
JP2664160B2 (ja) * 1987-09-24 1997-10-15 株式会社日立製作所 磁気記録再生装置の再生回路
JPH038101A (ja) * 1989-06-05 1991-01-16 Omron Corp 磁気データ読取装置
DE4006426C2 (de) * 1990-03-01 1993-11-18 Siemens Nixdorf Inf Syst Verfahren zum Auswerten binärer Informationen einer Magnetspeicherkarte
GB9209535D0 (en) * 1992-05-01 1992-06-17 Questech Ltd Data signal decoding device
JP3639618B2 (ja) * 1994-08-25 2005-04-20 キヤノン株式会社 信号処理装置
JP3299082B2 (ja) * 1995-07-14 2002-07-08 ソニー株式会社 信号２値化回路及びデイジタル信号処理装置
US6049478A (en) * 1999-03-04 2000-04-11 Hewlett Packard Company Digital magnetic read channel and method

Also Published As

Publication number Publication date
EP1605389A2 (de) 2005-12-14
EP1605389A3 (de) 2006-11-15
US20020191312A1 (en) 2002-12-19
US20010017742A1 (en) 2001-08-30
US6781776B2 (en) 2004-08-24
US6570723B2 (en) 2003-05-27
EP1126398A2 (de) 2001-08-22
EP1615157A3 (de) 2006-10-25
EP1605390A3 (de) 2006-10-25
US20030117734A1 (en) 2003-06-26
US6570722B2 (en) 2003-05-27
EP1615157A2 (de) 2006-01-11
EP1605389B1 (de) 2009-03-18
EP1126398A3 (de) 2002-08-21
EP1605390A2 (de) 2005-12-14

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Legal Events

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