SG89269A1 - Magnetic recording encoder system for a (1,7) channel having a 2/3 coding rate - Google Patents

Magnetic recording encoder system for a (1,7) channel having a 2/3 coding rate

Info

Publication number
SG89269A1
SG89269A1 SG9804423A SG1998004423A SG89269A1 SG 89269 A1 SG89269 A1 SG 89269A1 SG 9804423 A SG9804423 A SG 9804423A SG 1998004423 A SG1998004423 A SG 1998004423A SG 89269 A1 SG89269 A1 SG 89269A1
Authority
SG
Singapore
Prior art keywords
channel
magnetic recording
coding rate
encoder system
recording encoder
Prior art date
Application number
SG9804423A
Other languages
English (en)
Inventor
E Noxon James
Q Doan Toan
Jay Hogan Paul
Original Assignee
Caleb Technology 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
Application filed by Caleb Technology Corp filed Critical Caleb Technology Corp
Publication of SG89269A1 publication Critical patent/SG89269A1/en

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
    • G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M5/00—Conversion of the form of the representation of individual digits
    • H03M5/02—Conversion to or from representation by pulses
    • H03M5/04—Conversion to or from representation by pulses the pulses having two levels
    • H03M5/14—Code representation, e.g. transition, for a given bit cell depending on the information in one or more adjacent bit cells, e.g. delay modulation code, double density code
    • H03M5/145—Conversion to or from block codes or representations thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
SG9804423A 1997-11-06 1998-11-03 Magnetic recording encoder system for a (1,7) channel having a 2/3 coding rate SG89269A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/965,112 US5923629A (en) 1997-11-06 1997-11-06 Magnetic recording encoder system for a (1,7) channel having a 2/3 coding rate

Publications (1)

Publication Number Publication Date
SG89269A1 true SG89269A1 (en) 2002-06-18

Family

ID=25509469

Family Applications (1)

Application Number Title Priority Date Filing Date
SG9804423A SG89269A1 (en) 1997-11-06 1998-11-03 Magnetic recording encoder system for a (1,7) channel having a 2/3 coding rate

Country Status (5)

Country Link
US (1) US5923629A (fr)
EP (1) EP0920008A3 (fr)
JP (1) JPH11288563A (fr)
SG (1) SG89269A1 (fr)
TW (1) TW445727B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6967597B1 (en) * 2000-11-08 2005-11-22 Lg Electronics, Inc. Method and apparatus for coding information, method and apparatus for decoding information, method of fabricating a recording medium, the recording medium and modulated signal
CN100474782C (zh) * 2000-11-11 2009-04-01 Lg电子株式会社 信息编码和解码的方法和设备,记录介质及其制作方法
KR100370493B1 (ko) * 2001-02-06 2003-02-05 엘지전자 주식회사 광기록매체의 데이터 변/복조 방법 및 장치
CN101800558B (zh) * 2009-12-31 2013-03-20 苏州华芯微电子股份有限公司 Ppm编码同步解调方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0070387A2 (fr) * 1981-07-16 1983-01-26 International Business Machines Corporation Méthode et appareil pour générer un code de bloc glissant, sans bruit, pour un canal avec un taux de 2/3
DE3825960A1 (de) * 1987-09-01 1989-03-16 Hitachi Ltd Verfahren und vorrichtung zur digitalen informationscodierung
US5047767A (en) * 1990-05-21 1991-09-10 Eastman Kodak Company Apparatus utilizing a four state encoder for encoding and decoding A sliding block (1,7) code

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5537379A (en) * 1991-05-10 1996-07-16 Discovision Associates Optical data storage and retrieval system and method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0070387A2 (fr) * 1981-07-16 1983-01-26 International Business Machines Corporation Méthode et appareil pour générer un code de bloc glissant, sans bruit, pour un canal avec un taux de 2/3
DE3825960A1 (de) * 1987-09-01 1989-03-16 Hitachi Ltd Verfahren und vorrichtung zur digitalen informationscodierung
US5047767A (en) * 1990-05-21 1991-09-10 Eastman Kodak Company Apparatus utilizing a four state encoder for encoding and decoding A sliding block (1,7) code

Also Published As

Publication number Publication date
EP0920008A2 (fr) 1999-06-02
EP0920008A3 (fr) 2000-11-22
US5923629A (en) 1999-07-13
TW445727B (en) 2001-07-11
JPH11288563A (ja) 1999-10-19

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