JP2002522870A - ディジタルデータ記憶のための書込みフォーマット - Google Patents

ディジタルデータ記憶のための書込みフォーマット

Info

Publication number
JP2002522870A
JP2002522870A JP2000565538A JP2000565538A JP2002522870A JP 2002522870 A JP2002522870 A JP 2002522870A JP 2000565538 A JP2000565538 A JP 2000565538A JP 2000565538 A JP2000565538 A JP 2000565538A JP 2002522870 A JP2002522870 A JP 2002522870A
Authority
JP
Japan
Prior art keywords
bit
bits
data stream
metric
input data
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
JP2000565538A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002522870A5 (enExample
Inventor
ディー． グレイ，マーティン
Original Assignee
オーバーランド データ，インコーポレイティド
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 オーバーランド データ，インコーポレイティド filed Critical オーバーランド データ，インコーポレイティド
Publication of JP2002522870A publication Critical patent/JP2002522870A/ja
Publication of JP2002522870A5 publication Critical patent/JP2002522870A5/ja
Pending legal-status Critical Current

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
    • 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
    • G11B20/14—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
    • 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
    • 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
    • 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
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • 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
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1833—Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
    • H03M13/13—Linear codes
    • H03M13/15—Cyclic codes, i.e. cyclic shifts of codewords produce other codewords, e.g. codes defined by a generator polynomial, Bose-Chaudhuri-Hocquenghem [BCH] codes
    • 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
    • G11B2020/1434—8 to 9 modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Television Signal Processing For Recording (AREA)
JP2000565538A 1998-08-14 1999-08-12 ディジタルデータ記憶のための書込みフォーマット Pending JP2002522870A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/133,982 US6167550A (en) 1996-02-09 1998-08-14 Write format for digital data storage
US09/133,982 1998-08-14
PCT/US1999/018404 WO2000010168A1 (en) 1998-08-14 1999-08-12 Write format for digital data storage

Publications (2)

Publication Number Publication Date
JP2002522870A true JP2002522870A (ja) 2002-07-23
JP2002522870A5 JP2002522870A5 (enExample) 2006-01-05

Family

ID=22461222

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000565538A Pending JP2002522870A (ja) 1998-08-14 1999-08-12 ディジタルデータ記憶のための書込みフォーマット

Country Status (8)

Country Link
US (1) US6167550A (enExample)
EP (2) EP1110217B1 (enExample)
JP (1) JP2002522870A (enExample)
AT (1) ATE237862T1 (enExample)
AU (1) AU6312899A (enExample)
DE (1) DE69906996T2 (enExample)
DK (1) DK1110217T3 (enExample)
WO (1) WO2000010168A1 (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5931968A (en) * 1996-02-09 1999-08-03 Overland Data, Inc. Digital data recording channel
US6272176B1 (en) * 1998-07-16 2001-08-07 Nielsen Media Research, Inc. Broadcast encoding system and method
US6590929B1 (en) * 1999-06-08 2003-07-08 International Business Machines Corporation Method and system for run-time logic verification of operations in digital systems
US6587977B1 (en) * 1999-12-06 2003-07-01 Maxtor Corporation o,k,m,/m recording code
US6912683B2 (en) 2000-02-17 2005-06-28 Analog Devices, Inc. Method, apparatus, and product for use in generating CRC and other remainder based codes
US7012883B2 (en) * 2001-11-21 2006-03-14 Qualcomm Incorporated Rate selection for an OFDM system
WO2004034227A2 (en) * 2002-10-11 2004-04-22 Quicksilver Technology, Inc. Reconfigurable bit-manipulation node
US6819512B2 (en) 2003-02-18 2004-11-16 Protoscience, Inc. Triple-attribute method of encoding and decoding magnetic data
US7019922B2 (en) * 2003-04-29 2006-03-28 International Business Machines Corporation Apparatus and method to read information from a tape storage medium
US7139142B2 (en) * 2004-10-29 2006-11-21 International Business Machines Corporation Determination of magnetic tape write quality employing write equalization transitions
US7612959B2 (en) * 2006-11-15 2009-11-03 Samsung Electronics Co., Ltd. Method for correcting added and lost bits in a hard disk drive using error correction codes
US8131920B2 (en) * 2007-12-06 2012-03-06 Hitachi Global Storage Technologies, Netherlands B.V. Method and system for dynamically allocating read and write sequence randomizer
DE102009033085B4 (de) 2009-07-14 2012-04-19 Infineon Technologies Ag Schaltungsanordnung, Vorrichtung zum Übertragen eines seriellen Datenstroms und Pixel-Matrix-Anzeige
US10372527B2 (en) 2013-07-15 2019-08-06 Intel Corporation Method of encoding data
US9654407B2 (en) 2014-12-31 2017-05-16 Infineon Technologies Ag Communication systems and methods having reduced frame duration
KR102368864B1 (ko) * 2015-10-22 2022-03-03 삼성전자주식회사 위상 고정 루프의 출력의 락을 감지하는 클록 및 데이터 복원 회로
US10734016B2 (en) * 2018-08-21 2020-08-04 Marvell Asia Pte, Ltd. Pulse-based writing for magnetic storage media

Family Cites Families (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3689899A (en) * 1971-06-07 1972-09-05 Ibm Run-length-limited variable-length coding with error propagation limitation
JPS5746553A (en) * 1980-09-05 1982-03-17 Hitachi Ltd Code synchronizing device
CA1203019A (en) * 1982-01-19 1986-04-08 Tetsu Watanabe Apparatus for recording and reproducing a digital signal
JPS58153434A (ja) * 1982-03-09 1983-09-12 Nec Corp 多重変換方式
US4556983A (en) * 1982-11-11 1985-12-03 Robert Bosch Gmbh Method and apparatus for pre-emphasis counteraction of variations in amplitude of received or reproduced serial binary signals
US4680791A (en) * 1984-05-31 1987-07-14 Nec Corporation Digital video signal process apparatus for use in a video tape recorder
CA1259386A (en) * 1985-03-30 1989-09-12 Nec Corporation Synchronization circuit for digital communication systems
US4731676A (en) * 1985-12-13 1988-03-15 Cyclotomics, Inc. Transparent synchronization of multiple channel data
US4736377A (en) * 1986-02-11 1988-04-05 Bradley Telcom Corp. Method for determining reliability of high speed digital transmission by use of a synchronized low speed side channel
WO1987006086A1 (en) * 1986-03-28 1987-10-08 Ampex Corporation Digital data block synchronizer
DE3788532T2 (de) * 1986-03-31 1994-04-21 Nippon Electric Co Funkübertragungssystem mit vereinfachter Fehlerkorrekturschaltung und schneller Kanalumschaltung.
US4907225A (en) * 1987-04-03 1990-03-06 Advanced Micro Devices, Inc. Data protocol controller
JPS6490621A (en) * 1987-09-30 1989-04-07 Nec Corp Decoder
US4908826A (en) * 1988-01-05 1990-03-13 Digital Equipment Corporation Stored data error correction system
JPH0823971B2 (ja) * 1988-04-08 1996-03-06 日本ビクター株式会社 符号訂正装置
JP2666367B2 (ja) * 1988-05-24 1997-10-22 ソニー株式会社 Ｍスクランブル回路
JP2974678B2 (ja) * 1988-06-23 1999-11-10 ソニー株式会社 データ誤り検出方式
US4993029A (en) * 1989-03-13 1991-02-12 International Business Machines Corporation Method and apparatus for randomizing data in a direct access storage device
US5109385A (en) * 1989-04-27 1992-04-28 International Business Machines Corporation Enhanced data formats and machine operations for enabling error correction
US5172381A (en) * 1989-04-27 1992-12-15 International Business Machines Corporation Enhanced data formats and machine operations for enabling error correction
US4978955A (en) * 1989-11-09 1990-12-18 Archive Corporation Data randomizing/de-randomizing circuit for randomizing and de-randomizing data
US5068878A (en) * 1990-02-06 1991-11-26 Eastman Kodak Company Method and apparatus for data interleave with pseudo-randomized resynchronization
JP3053106B2 (ja) * 1990-11-02 2000-06-19 株式会社日立製作所 暗号化処理装置、及び復号化処理装置
US5255130A (en) * 1991-03-29 1993-10-19 Archive Corporation Adjustable write equalization for tape drives
EP0511498B1 (en) * 1991-03-30 1998-12-09 Kabushiki Kaisha Toshiba Encoding apparatus for digital signal with improved block channel coding
GB2255482B (en) * 1991-05-01 1995-05-10 Silicon Systems Inc Maximum likelihood sequence metric calculator
US5369641A (en) * 1991-11-12 1994-11-29 Storage Technology Corporation Method and apparatus for detecting and correcting errors in data on magnetic tape media
US5325370A (en) * 1991-11-12 1994-06-28 Storage Technology Corporation Method and apparatus for recording data on magnetic tape media
US5629983A (en) * 1991-12-17 1997-05-13 Fujitsu Limited Parallel transmission through plurality of optical fibers
JP2648554B2 (ja) * 1992-08-13 1997-09-03 インターナショナル・ビジネス・マシーンズ・コーポレイション Ｐｒｍｌディスク駆動システムの非同期ゲイン調整方法および装置
US5255131A (en) * 1992-08-13 1993-10-19 International Business Machines Corporation Asynchronous servo identification/address mark detection for PRML disk drive ssytem
US5341249A (en) * 1992-08-27 1994-08-23 Quantum Corporation Disk drive using PRML class IV sampling data detection with digital adaptive equalization
ATE202252T1 (de) * 1992-09-22 2001-06-15 Sony Corp Gerät und verfahren zur verarbeitung von digitalen videosignalen
JP3429795B2 (ja) * 1992-10-08 2003-07-22 株式会社デノン 光ディスク装置及び光ディスク
EP0593173B1 (en) * 1992-10-16 1998-11-11 Matsushita Electric Industrial Co., Ltd. Apparatus for recording digital signals by controlling frequency characteristics of digital signals
JPH06197024A (ja) * 1992-11-09 1994-07-15 Sony Corp 変調方法、変調装置及び復調装置
JP2818534B2 (ja) * 1993-09-28 1998-10-30 日本電気株式会社 符号化変調方式
SE501884C2 (sv) * 1993-10-12 1995-06-12 Ellemtel Utvecklings Ab Synkroniserande kretsarrangemang fastställer gräns mellan konsekutiva paket
JP2780612B2 (ja) * 1993-10-13 1998-07-30 富士通株式会社 磁気記録再生装置
US5619539A (en) * 1994-02-28 1997-04-08 International Business Machines Corporation Data detection methods and apparatus for a direct access storage device
US5566208A (en) * 1994-03-17 1996-10-15 Philips Electronics North America Corp. Encoder buffer having an effective size which varies automatically with the channel bit-rate
US5404377A (en) * 1994-04-08 1995-04-04 Moses; Donald W. Simultaneous transmission of data and audio signals by means of perceptual coding
DE69526392D1 (de) * 1994-07-08 2002-05-23 Victor Company Of Japan Verfahren zur digitalen Modulation/Demodulation und Gerät zur Verwendung desselben
US5534944A (en) * 1994-07-15 1996-07-09 Matsushita Electric Corporation Of America Method of splicing MPEG encoded video
EP0702465A1 (fr) * 1994-09-13 1996-03-20 T.R.T. Telecommunications Radioelectriques Et Telephoniques Système de transmission et équipement de multiplexage-démultiplexage impliquant un flux d'éléments binaires pouvant être justifié
US5528607A (en) * 1995-02-02 1996-06-18 Quantum Corporation Method and apparatus for protecting data from mis-synchronization errors
EP1256951A1 (en) * 1996-02-09 2002-11-13 Overland Data, Inc. Encoder for digital data storage
US5815514A (en) * 1996-02-09 1998-09-29 Overland Data, Inc. Variable rate bit inserter for digital data storage
US5712863A (en) * 1996-02-09 1998-01-27 Overland Data Inc Randomizing encoder for digital data storage
US5889796A (en) * 1996-10-17 1999-03-30 Maxtor Corporation Method of insuring data integrity with a data randomizer

Also Published As

Publication number Publication date
AU6312899A (en) 2000-03-06
DK1110217T3 (da) 2003-06-23
EP1110217B1 (en) 2003-04-16
DE69906996T2 (de) 2004-01-29
EP1306842A2 (en) 2003-05-02
US6167550A (en) 2000-12-26
DE69906996D1 (de) 2003-05-22
ATE237862T1 (de) 2003-05-15
EP1306842A3 (en) 2007-09-05
EP1110217A1 (en) 2001-06-27
WO2000010168A1 (en) 2000-02-24

Similar Documents

Publication Publication Date Title
US5931968A (en) Digital data recording channel
JP2002522870A (ja) ディジタルデータ記憶のための書込みフォーマット
US5815514A (en) Variable rate bit inserter for digital data storage
US5712863A (en) Randomizing encoder for digital data storage
JP3141011B2 (ja) 堅固な再同期を使用するランレングス限定コード化／デコード
BG64243B1 (bg) Метод и устройство за модулация/демодулация с последователно ограничаване на минималната дължина на серия от еднакви знаци в кодова дума
US6543024B2 (en) Write format for digital data storage
US6417788B1 (en) High rate runlength limited codes for 10-bit ECC symbols
US6597526B1 (en) Magnetic tape drive apparatus including a variable rate encoder
JP2002522870A5 (enExample)
JP2003536346A (ja) 一連のデータワードを変調信号に変換する方法及び装置
JPH07118657B2 (ja) ２進デ−タ符号化及び復号化方式
US6347390B1 (en) Data encoding method and device, data decoding method and device, and data supply medium
KR100408532B1 (ko) 데이타저장기기의prml코드생성방법
JP3935942B2 (ja) デジタルデータ記憶用の符号器
TW200529572A (en) Method and apparatus for rll code encoding & decoding
HK1055502A (en) Write format for digital data storage
EP1792405A1 (en) Method of converting a user bitstream into coded bitstream, method for detecting a synchronization pattern in a signal, a record carrier, a signal, a recording device and a playback device
JP4479855B2 (ja) 変調装置、変調方法、記録媒体
KR100945183B1 (ko) 정보어의 신호로의 변환 시스템
AU771221B2 (en) Encoder for digital data storage
JP4479854B2 (ja) 変調装置、変調方法、記録媒体
WO2004029961A1 (en) Short error propagation modulation coding method and device
Bessios A Class of High-Rate Low-Complexity Error-Detecting RLL Codes
JP2007184095A (ja) 変調装置、変調方法、記録媒体、復調装置、復調方法

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20050404

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20051014

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20070703

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20071001

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20071009

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20080304