AU6312899A - Write format for digital data storage - Google Patents

Write format for digital data storage

Info

Publication number
AU6312899A
AU6312899A AU63128/99A AU6312899A AU6312899A AU 6312899 A AU6312899 A AU 6312899A AU 63128/99 A AU63128/99 A AU 63128/99A AU 6312899 A AU6312899 A AU 6312899A AU 6312899 A AU6312899 A AU 6312899A
Authority
AU
Australia
Prior art keywords
digital data
data storage
write format
bit stream
write
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.)
Abandoned
Application number
AU63128/99A
Other languages
English (en)
Inventor
Martin D. Gray
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.)
Overland Data Inc
Original Assignee
Overland Data Inc
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 Overland Data Inc filed Critical Overland Data Inc
Publication of AU6312899A publication Critical patent/AU6312899A/en
Abandoned 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)
AU63128/99A 1998-08-14 1999-08-12 Write format for digital data storage Abandoned AU6312899A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/133982 1998-08-14
US09/133,982 US6167550A (en) 1996-02-09 1998-08-14 Write format for digital data storage
PCT/US1999/018404 WO2000010168A1 (en) 1998-08-14 1999-08-12 Write format for digital data storage

Publications (1)

Publication Number Publication Date
AU6312899A true AU6312899A (en) 2000-03-06

Family

ID=22461222

Family Applications (1)

Application Number Title Priority Date Filing Date
AU63128/99A Abandoned AU6312899A (en) 1998-08-14 1999-08-12 Write format for digital data storage

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
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
JP2002522870A (ja) 2002-07-23
EP1110217A1 (en) 2001-06-27
WO2000010168A1 (en) 2000-02-24

Similar Documents

Publication Publication Date Title
AU6312899A (en) Write format for digital data storage
TW342561B (en) Encoding system
BR0304542A (pt) Método e codificador para codificar um sinal de áudio de multicanal, aparelho para fornecer um sinal de áudio, sinal de áudio codificado, meio de armazenamento, e, método e decodificador para decodificar um sinal de áudio
YU4100A (sh) Uređaj i postupak za modulaciju/demodulaciju sa uzastopnim minimalnim ograničenjem promenljive veličine
WO1997029549A1 (en) Wide band audio signal encoder, wide band audio signal decoder, wide band audio signal encoder/decoder and wide band audio signal recording medium
PL349792A1 (en) Method of converting a stream of digital information data bits into a stream of constricted binary channel data bits, encoding device, signal incorporating a stream of constricted binary channel data bits, recording medium
AU2002317513A1 (en) Data recording method, recording medium and reproduction apparatus
CA2150729A1 (en) Method of Incorporating a Variable Rate Auxiliary Data Stream with a Variable Rate Primary Data Stream
TW332961B (en) Recording media
SG84549A1 (en) Multimedia information coding apparatus, coding method of multimedia information, and recording media storing data coded by the same method
IL141740A (en) Method and system for handling optical signals
CA2407877A1 (en) Methods and apparatus for increased magnetic coding density by precise placement of magnetic transitions
ATE280460T1 (de) Transkodierer für datenströme mit festen und veränderlichen datenraten
CA2469173A1 (en) Recording medium having a data structure for managing reproduction of graphic data and recording and reproducing methods and apparatuses
WO2001011841A8 (en) sODING SYSTEM AND METHOD FOR PARTIAL RESPONSE CHANNELS
AU2003227567A1 (en) Copy protection system for optical discs
TW274137B (en) Digital signal recording apparatus
TWI265480B (en) Data recording method and device, data recording medium, and data regeneration method and device
EP0745993A3 (en) Digital signal recorder
WO1998001859A3 (en) Transmission, recording and reproduction of a digital information signal
WO2001095495A1 (en) Device for encoding a stream of databits of a binary source signal into a stream of databits of a binary channel signal, memory means, device for recording information, record carrier, device for coding and device for playing back
WO2003038822A1 (en) Data recording method, recorder, and data reproducing method and device
NZ504937A (en) A method of generating a codeword for use in error correction of digital optical media
AU2002233571A1 (en) A line coding scheme for digital communications, transmission method and apparatus
AU2002337183A1 (en) Method for recording data, and digital recorder

Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase