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BR9100514A - Aparelho,sistema e metodo para a descodificacao de um sinal de dados - Google Patents

Aparelho,sistema e metodo para a descodificacao de um sinal de dados

Info

Publication number
BR9100514A
BR9100514A BR919100514A BR9100514A BR9100514A BR 9100514 A BR9100514 A BR 9100514A BR 919100514 A BR919100514 A BR 919100514A BR 9100514 A BR9100514 A BR 9100514A BR 9100514 A BR9100514 A BR 9100514A
Authority
BR
Brazil
Prior art keywords
decoding
data signal
signal
data
Prior art date
Application number
BR919100514A
Other languages
English (en)
Inventor
Clarence Harrison
Mark Douglas Marik
Roger Louis Posthumus
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of BR9100514A publication Critical patent/BR9100514A/pt

Links

Classifications

    • 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
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1407—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol
    • G11B20/1419—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol to or from biphase level coding, i.e. to or from codes where a one is coded as a transition from a high to a low level during the middle of a bit cell and a zero is encoded as a transition from a low to a high level during the middle of a bit cell or vice versa, e.g. split phase code, Manchester code conversion to or from biphase space or mark coding, i.e. to or from codes where there is a transition at the beginning of every bit cell and a one has no second transition and a zero has a second transition one half of a bit period later or vice versa, e.g. double frequency code, FM code

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Dc Digital Transmission (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
BR919100514A 1990-02-07 1991-02-06 Aparelho,sistema e metodo para a descodificacao de um sinal de dados BR9100514A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/477,320 US5168275A (en) 1990-02-07 1990-02-07 Method and apparatus for decoding two frequency (f/2f) data signals

Publications (1)

Publication Number Publication Date
BR9100514A true BR9100514A (pt) 1991-10-29

Family

ID=23895432

Family Applications (1)

Application Number Title Priority Date Filing Date
BR919100514A BR9100514A (pt) 1990-02-07 1991-02-06 Aparelho,sistema e metodo para a descodificacao de um sinal de dados

Country Status (5)

Country Link
US (3) US5168275A (pt)
EP (1) EP0441280A1 (pt)
JP (3) JP2584132B2 (pt)
BR (1) BR9100514A (pt)
CA (1) CA2032414C (pt)

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US20030132293A1 (en) * 2002-01-11 2003-07-17 Hand Held Products, Inc. Transaction terminal including raised surface peripheral to touch screen
US7451917B2 (en) 2002-01-11 2008-11-18 Hand Held Products, Inc. Transaction terminal comprising imaging module
US7472825B2 (en) * 2002-01-11 2009-01-06 Hand Held Products, Inc. Transaction terminal
US7479946B2 (en) * 2002-01-11 2009-01-20 Hand Held Products, Inc. Ergonomically designed multifunctional transaction terminal
US8082575B2 (en) 2002-03-28 2011-12-20 Rampart-Id Systems, Inc. System, method and apparatus for enabling transactions using a user enabled programmable magnetic stripe
US6931413B2 (en) * 2002-06-25 2005-08-16 Microsoft Corporation System and method providing automated margin tree analysis and processing of sampled data
US7255272B2 (en) * 2003-06-09 2007-08-14 Brush Industries, Inc. Card reader/writer devices and methods
JP2005175827A (ja) * 2003-12-10 2005-06-30 Matsushita Electric Ind Co Ltd 通信装置
KR100946923B1 (ko) * 2004-03-12 2010-03-09 삼성전자주식회사 직교 주파수 분할 다중 방식을 사용하는 통신 시스템에서 채널 품질 정보의 송수신 장치 및 방법, 그리고 그에 따른 시스템
US12290337B2 (en) * 2007-12-24 2025-05-06 Dynamics Inc. Payment cards and devices operable to receive point-of-sale actions before point-of-sale and forward actions at point-of-sale
US7995675B2 (en) * 2008-02-14 2011-08-09 International Business Machines Corporation Apparatus and method to communicate information within a data storage library
US20090218402A1 (en) * 2008-02-29 2009-09-03 Andrew Graham Hodges Apparatus and method for encrypting data in a magnetic stripe reader
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US8985449B2 (en) * 2012-09-11 2015-03-24 Maxim Integrated Products, Inc. Magnetic stripe reader
JP6012074B2 (ja) * 2013-02-12 2016-10-25 Ｎｅｃプラットフォームズ株式会社 磁気データ読取装置、監視システム及びエラー検出方法
JP2015032332A (ja) * 2013-08-02 2015-02-16 日立オムロンターミナルソリューションズ株式会社 磁気カード読取装置および磁気カード読取方法
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CN114887934B (zh) * 2022-03-31 2024-03-22 蜂巢能源科技股份有限公司 电芯加工生产线

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Also Published As

Publication number Publication date
JP2584132B2 (ja) 1997-02-19
JP2915334B2 (ja) 1999-07-05
JP2846847B2 (ja) 1999-01-13
US5168275A (en) 1992-12-01
EP0441280A1 (en) 1991-08-14
US5379037A (en) 1995-01-03
US5298897A (en) 1994-03-29
JPH08255211A (ja) 1996-10-01
JPH04348488A (ja) 1992-12-03
CA2032414C (en) 1995-09-12
JPH08273306A (ja) 1996-10-18
CA2032414A1 (en) 1991-08-08

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KF Request for proof of payment of annual fee
FD5 Application fees: dismissal - article 86 of industrial property law