ATE225073T1 - Mehrstufige fehlererkennungs- und korrekturtechnik für datenspeicher- aufzeichnungsvorrichtung - Google Patents

Mehrstufige fehlererkennungs- und korrekturtechnik für datenspeicher- aufzeichnungsvorrichtung

Info

Publication number
ATE225073T1
ATE225073T1 AT99955084T AT99955084T ATE225073T1 AT E225073 T1 ATE225073 T1 AT E225073T1 AT 99955084 T AT99955084 T AT 99955084T AT 99955084 T AT99955084 T AT 99955084T AT E225073 T1 ATE225073 T1 AT E225073T1
Authority
AT
Austria
Prior art keywords
data
packets
buffer
storage medium
data storage
Prior art date
Application number
AT99955084T
Other languages
English (en)
Inventor
Richard H Mcauliffe
Thomas E Zaczek
Original Assignee
Ecrix 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 Ecrix Corp filed Critical Ecrix Corp
Application granted granted Critical
Publication of ATE225073T1 publication Critical patent/ATE225073T1/de

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
    • G11B20/18—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
    • H03M13/29—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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
    • H03M13/2906—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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes using block codes
    • H03M13/2909—Product 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
    • H03M13/29—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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
    • H03M13/2906—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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes using block codes
    • H03M13/2909—Product codes
    • H03M13/2915—Product codes with an error detection code in one dimension
    • 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
    • H03M13/29—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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
    • H03M13/2906—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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes using block codes
    • H03M13/2918—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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes using block codes with error correction codes in three or more dimensions, e.g. 3-dimensional product code where the bits are arranged in a cube
    • 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
    • H03M13/29—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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
    • H03M13/2906—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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes using block codes
    • H03M13/2921—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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes using block codes wherein error correction coding involves a diagonal direction
    • 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
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/373—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35 with erasure correction and erasure determination, e.g. for packet loss recovery or setting of erasures for the decoding of Reed-Solomon 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
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • G11B2020/1062—Data buffering arrangements, e.g. recording or playback buffers
    • G11B2020/1075—Data buffering arrangements, e.g. recording or playback buffers the usage of the buffer being restricted to a specific kind of data
    • G11B2020/10759—Data buffering arrangements, e.g. recording or playback buffers the usage of the buffer being restricted to a specific kind of data content data
    • 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
    • G11B2020/1843—Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information using a cyclic redundancy check [CRC]
    • 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
    • G11B2020/1853—Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information using a product code which has inner and outer parity symbols
    • 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
    • H03M13/09—Error detection only, e.g. using cyclic redundancy check [CRC] codes or single parity bit
    • 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
    • H03M13/151—Cyclic codes, i.e. cyclic shifts of codewords produce other codewords, e.g. codes defined by a generator polynomial, Bose-Chaudhuri-Hocquenghem [BCH] codes using error location or error correction polynomials
    • H03M13/1515—Reed-Solomon codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Detection And Correction Of Errors (AREA)
AT99955084T 1998-10-20 1999-10-20 Mehrstufige fehlererkennungs- und korrekturtechnik für datenspeicher- aufzeichnungsvorrichtung ATE225073T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/176,014 US6367047B1 (en) 1998-10-20 1998-10-20 Multi-level error detection and correction technique for data storage recording device
PCT/US1999/024550 WO2000023997A2 (en) 1998-10-20 1999-10-20 Multi-level error detection and correction technique for data storage recording device

Publications (1)

Publication Number Publication Date
ATE225073T1 true ATE225073T1 (de) 2002-10-15

Family

ID=22642627

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99955084T ATE225073T1 (de) 1998-10-20 1999-10-20 Mehrstufige fehlererkennungs- und korrekturtechnik für datenspeicher- aufzeichnungsvorrichtung

Country Status (7)

Country Link
US (1) US6367047B1 (de)
EP (1) EP1125294B1 (de)
JP (1) JP2002528838A (de)
AT (1) ATE225073T1 (de)
AU (1) AU1126800A (de)
DE (1) DE69903188T2 (de)
WO (1) WO2000023997A2 (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3735498B2 (ja) * 1999-11-09 2006-01-18 株式会社東芝 情報記録媒体、情報記録装置、情報記録方法
US7356752B2 (en) * 2000-03-14 2008-04-08 Comtech Telecommunications Corp. Enhanced turbo product codes
EP1281241A2 (de) * 2000-04-04 2003-02-05 Advanced Hardware Architectures, Inc Verbessertes turboprodukt-codedecodierersystem
US7107505B2 (en) 2001-03-27 2006-09-12 Comtech Aha Corporation Concatenated turbo product codes for high performance satellite and terrestrial communications
US8656246B2 (en) * 2001-04-16 2014-02-18 Qualcomm Incorporated Method and an apparatus for use of codes in multicast transmission
US6757848B2 (en) * 2001-06-19 2004-06-29 Hewlett-Packard Development Company, L.P. Recovery of user data from partially incorrect data set in tape data storage system
US6978414B2 (en) * 2001-07-17 2005-12-20 Hewlett-Packard Development Company, L.P. Method and apparatus for protecting against errors occurring in data storage device buffers
US6958873B2 (en) * 2001-07-31 2005-10-25 Hewlett-Packard Development Company, L.P. Data rewrite control in data transfer and storage apparatus
US6883122B2 (en) * 2001-07-31 2005-04-19 Hewlett-Packard Development Company, L.P. Write pass error detection
US7042667B2 (en) * 2001-07-31 2006-05-09 Hewlett-Packard Development Company, L.P. Data storage
US6931576B2 (en) * 2002-01-07 2005-08-16 Sun Microsystems, Inc. Data integrity device providing heightened error protection in a data processing system
US7046610B2 (en) * 2002-04-24 2006-05-16 Ricoh Company, Ltd. Recording medium suitable for recording/reproducing multi-level data
DE10345438B4 (de) * 2003-09-30 2005-09-15 Siemens Ag Verfahren und Vorrichtung zum Dekodieren von mittels paketorientierten Datenübertragungsnetzen übertragenen kodierten Datenpaketen und Verfahren und Vorrichtung zum Kodieren und Dekodieren von über paketorientierte Datenübertragungsnetze zu übertragende Datenpaketen
US7437651B2 (en) * 2004-06-29 2008-10-14 Hewlett-Packard Development Company, L.P. System and method for controlling application of an error correction code (ECC) algorithm in a memory subsystem
DE102004036383B4 (de) * 2004-07-27 2006-06-14 Siemens Ag Codier-und Decodierverfahren , sowie Codier- und Decodiervorrichtungen
US20060204209A1 (en) * 2005-03-09 2006-09-14 Exabyte Corporation Pause strategy for magnetic tape recording
US7433141B2 (en) * 2005-03-09 2008-10-07 Tandberg Data Corporation Data randomization for rewriting in recording/reproduction apparatus
US7707480B2 (en) * 2005-07-01 2010-04-27 Qnx Software Systems Gmbh & Co. Kg System employing data verification operations of differing computational costs
US7836379B1 (en) * 2006-04-03 2010-11-16 Marvell International Ltd. Method for computing buffer ECC
US7840878B1 (en) 2006-04-11 2010-11-23 Marvell International Ltd. Systems and methods for data-path protection
US9564988B2 (en) * 2007-07-26 2017-02-07 The Directv Group, Inc. Method and system for forming a formatted content stream and using a cyclic redundancy check
US8181094B2 (en) * 2008-01-31 2012-05-15 International Business Machines Corporation System to improve error correction using variable latency and associated methods
US8145975B2 (en) * 2008-02-28 2012-03-27 Ip Video Communications Corporation Universal packet loss recovery system for delivery of real-time streaming multimedia content over packet-switched networks
US8719621B1 (en) 2010-05-05 2014-05-06 Marvell International Ltd. Solid-state disk cache assisted redundant array of independent disks
WO2012137256A1 (en) * 2011-04-06 2012-10-11 Hitachi, Ltd. Disk array apparatus and control method thereof
US9136873B2 (en) 2013-03-11 2015-09-15 Intel Corporation Reduced uncorrectable memory errors
JP6614145B2 (ja) * 2014-07-18 2019-12-04 ソニー株式会社 受信装置、受信方法およびコンピュータプログラム
US9553611B2 (en) * 2014-11-27 2017-01-24 Apple Inc. Error correction coding with high-degree overlap among component codes
US9632863B2 (en) 2015-01-13 2017-04-25 Western Digital Technologies, Inc. Track error-correcting code extension
CN111078460B (zh) * 2019-11-18 2020-08-25 北京中电兴发科技有限公司 一种快速纠删码计算方法

Family Cites Families (105)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3821710A (en) 1972-12-04 1974-06-28 Little Inc A Multimode search and retrieval tape system
JPS5736656B2 (de) 1973-11-20 1982-08-05
US4011587A (en) 1974-03-14 1977-03-08 International Business Machines Corporation Rotary head magnetic recorder for use with a specific record member
US4106065A (en) 1976-03-19 1978-08-08 Ampex Corporation Drive circuitry for controlling movable video head
US4175267A (en) 1976-07-30 1979-11-20 Sony Corporation Method and apparatus of inserting an address signal in a video signal
US4099211A (en) 1976-09-13 1978-07-04 Ampex Corporation Positionable transducing mounting structure and driving system therefor
US4125881A (en) 1977-05-19 1978-11-14 International Business Machines Corporation Tape motion control for reel-to-reel drive
JPS5492308A (en) 1977-12-29 1979-07-21 Sony Corp Head tracking device in recorder-reproducer
DE2841728C2 (de) 1978-09-26 1984-08-09 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und Schaltungsanordnung zur Wiedergabe eines auf Magnetband gespeicherten Videosignals mit veränderlicher Geschwindigkeit
US4215377A (en) 1978-10-10 1980-07-29 Norris Elwood G Multi-speed tape cassette system
DE2906836A1 (de) 1979-02-22 1980-09-04 Blaupunkt Werke Gmbh Informationsaufzeichnungs- und informationswiedergabegeraet
US4257075A (en) 1979-03-23 1981-03-17 Minnesota Mining And Manufacturing Company Tape magazine and recording and/or playback machine with improved magazine locating and loading structure
AU536904B2 (en) 1979-06-06 1984-05-31 Sony Corporation Magnetic tape loading apparatus
AU540275B2 (en) 1979-09-27 1984-11-08 Sony Corporation V.t.r. synchronizing system
JPS5683808A (en) 1979-12-11 1981-07-08 Sony Corp Magnetic recording and reproducing device
JPS5693157A (en) 1979-12-26 1981-07-28 Hitachi Ltd Tape sound recorder
JPS56156924A (en) 1980-05-08 1981-12-03 Sony Corp Track following device
JPS5727421A (en) 1980-07-23 1982-02-13 Sony Corp Track following device
JPS5733417A (en) 1980-07-31 1982-02-23 Fujitsu Ltd Step feed controlling system of information medium
JPS5755579A (en) 1980-09-19 1982-04-02 Sharp Corp Recorder and reproducer
US4467373A (en) 1980-10-09 1984-08-21 Micro Consultants Limited Storage and retrieval of digital data on video tape recorders
JPS5783978A (en) 1980-11-12 1982-05-26 Sony Corp Video signal recorder and reproducer
JPS5786161A (en) 1980-11-17 1982-05-29 Sony Corp Tape loading device
US4412260A (en) 1981-04-24 1983-10-25 Magnetic Peripherals Inc. Cartridge receiver mechanism
JPS57203228A (en) 1981-06-09 1982-12-13 Sony Corp Tracking adjuster
GB2111288B (en) 1981-11-20 1985-04-11 Sony Corp Magnetic tape recording and reproducing arrangements
JPS58133665A (ja) 1982-02-04 1983-08-09 Pioneer Video Corp 情報再生装置における再生終了検出装置
US4544967A (en) 1982-04-02 1985-10-01 Ampex Corporation Automatic scan tracking servo system
JPS58185009A (ja) 1982-04-23 1983-10-28 Sony Corp 磁気記録再生装置
JPS58194480A (ja) 1982-05-07 1983-11-12 Matsushita Electric Ind Co Ltd 磁気録画再生装置
JPS5937783A (ja) 1982-08-25 1984-03-01 Sony Corp 映像信号の記録装置
JPS59112406A (ja) 1982-12-17 1984-06-28 Sony Corp Ｐｃｍ信号の記録再生方法
JPS59139157A (ja) 1983-01-26 1984-08-09 Sony Corp キユ−信号の記録方法
US4628383A (en) 1983-01-28 1986-12-09 Victor Company Of Japan, Ltd. Tape cassette loading device in a magnetic recording and/or reproducing apparatus
US4642714A (en) 1983-02-08 1987-02-10 Victor Company Of Japan, Ltd. Tape cassette loading and ejecting device in a magnetic recording and/or reproducing apparatus
US4637023A (en) 1983-02-14 1987-01-13 Prime Computer, Inc. Digital data error correction method and apparatus
JPS59151348A (ja) 1983-02-16 1984-08-29 Sanyo Electric Co Ltd 記録モ−ド判別回路
JPS59157810A (ja) 1983-02-28 1984-09-07 Sony Corp デジタル信号の再生方法
JPS59185019A (ja) 1983-04-04 1984-10-20 Nec Corp 特殊再生装置
JPS59213057A (ja) 1983-05-16 1984-12-01 Sony Corp テ−プロ−デイング装置
US4564945A (en) * 1983-06-20 1986-01-14 Reference Technology, Inc. Error-correction code for digital data on video disc
JPS6025062A (ja) 1983-07-21 1985-02-07 Sony Corp 番地信号の記録方法
JPS6032110A (ja) 1983-08-03 1985-02-19 Victor Co Of Japan Ltd ヘツド位置制御装置
EP0137311B1 (de) 1983-09-08 1988-12-14 Fuji Photo Film Co., Ltd. Gerät zum Laden oder Entladen einer Magnetplattenpackung
US4641210A (en) 1983-09-24 1987-02-03 Sony Corporation Magnetic recording and reproducing apparatus
JPS6064441U (ja) 1983-10-05 1985-05-07 日本ビクター株式会社 テ−プ収納筐体挿入口蓋ロツク機構
JPS60197969A (ja) 1984-03-19 1985-10-07 Sanyo Electric Co Ltd テ−プ速度判別回路
US4554598A (en) 1984-05-25 1985-11-19 Honeywell Information Systems, Inc. Single revolution disk sector formatter
JPS60194793U (ja) 1984-06-01 1985-12-25 ソニー株式会社 カセツトテ−プレコ−ダ
JPH0687330B2 (ja) 1984-08-06 1994-11-02 ソニー株式会社 ディジタル信号の再生装置
JPS6166250A (ja) 1984-09-07 1986-04-05 Sony Corp トラツキング制御回路
AT382475B (de) 1984-11-15 1987-02-25 Philips Nv Aufzeichnungs- und/oder wiedergabegeraet
JPS61196422A (ja) 1985-02-25 1986-08-30 Sony Corp ビデオ信号の記録装置
JPH0792958B2 (ja) 1985-05-27 1995-10-09 ソニー株式会社 カセツト式記録再生装置
JPS629552A (ja) 1985-07-08 1987-01-17 Canon Inc 信号再生装置
JP2606186B2 (ja) 1985-07-09 1997-04-30 ソニー株式会社 記録再生装置
US4935824A (en) 1985-07-19 1990-06-19 Sony Corporation Information recording apparatus
JPS6252752A (ja) 1985-08-30 1987-03-07 Sony Corp 記録再生装置
JPH0664893B2 (ja) 1985-11-12 1994-08-22 ソニー株式会社 磁気テ−プ記録再生装置
US4731878A (en) 1985-11-29 1988-03-15 American Telephone And Telegraph Company, At&T Bell Laboratories Self-routing switch node combining electronic and photonic switching
US4757911A (en) 1985-12-09 1988-07-19 Abbott Laboratories Container and closure construction
JPS62140203A (ja) 1985-12-13 1987-06-23 Pioneer Electronic Corp 回転ヘツド式デジタル信号再生装置
JPH07107782B2 (ja) 1986-02-28 1995-11-15 ソニー株式会社 ディジタルテープレコーダ
DE3776161D1 (de) 1986-03-04 1992-03-05 Sony Corp Digitalwiedergabegeraet.
JP2751150B2 (ja) 1986-03-11 1998-05-18 ソニー株式会社 磁気テープの記録装置および再生装置
US4897739A (en) 1986-04-07 1990-01-30 Canon Kabushiki Kaisha Multi-channel recording apparatus using a plurality of heads in turn
US4717974A (en) 1986-05-19 1988-01-05 Eastman Kodak Company Waveguide apparatus for coupling a high data rate signal to and from a rotary head scanner
US4821129A (en) 1986-11-21 1989-04-11 Hewlett-Packard Company Tape positioning using reverse boundary capture: tape drive system and method
KR970008628B1 (ko) 1986-12-26 1997-05-27 소니 가부시키사이샤 테이프형상체의 로딩장치
US4769811A (en) 1986-12-31 1988-09-06 American Telephone And Telegraph Company, At&T Bell Laboratories Packet switching system arranged for congestion control
US4947272A (en) 1987-03-30 1990-08-07 Pioneer Electronic Corporation Signal reproducing device which offsets the tracking error signal for a digital tape player
US4845577A (en) 1987-05-11 1989-07-04 Exabyte Corporation Apparatus and method for enabling rapid searching of helically recorded magnetic tape
US4835628A (en) 1987-05-11 1989-05-30 Exabyte Corporation Apparatus and method for formatting and recording digital data on magnetic tape
US4843495A (en) 1987-05-11 1989-06-27 Exabyte Corporation Cyclical servo zone tracking method and apparatus for helical scan recording devices
US4908826A (en) 1988-01-05 1990-03-13 Digital Equipment Corporation Stored data error correction system
US5115500A (en) 1988-01-11 1992-05-19 International Business Machines Corporation Plural incompatible instruction format decode method and apparatus
US5003411A (en) 1988-02-26 1991-03-26 Pioneer Electronic Corporation Method for recording/reproducing and searching digital signals using a helical scan type rotary head
NL8800856A (nl) 1988-04-05 1989-11-01 Philips Nv Magneetbandapparaat voorzien van een regeleenheid ter sturing van bandbuffers, de bandspanning en het bandtransport.
US4933784A (en) 1988-10-31 1990-06-12 Ampex Corporation Automatic head position tracking system for video signals recorded in a segmented format
US4935827A (en) 1988-11-09 1990-06-19 Ampex Corporation Dynamic head position tracking control for a magnetic tape playback system
US4930027A (en) 1988-11-23 1990-05-29 Ampex Corporation Method and apparatus for tape speed override operation when recovering helical audio
US5103355A (en) 1989-04-11 1992-04-07 Ampex Corporation System for correlating head scan tracking and tape timer transitions
JP2554743B2 (ja) * 1989-05-19 1996-11-13 シャープ株式会社 再生のための誤り訂正装置
US5274772A (en) 1989-06-28 1993-12-28 International Business Machines Corporation Data processing systems having means for selectively combining records into signal blocks for recording in a record medium
US5034833A (en) 1989-11-09 1991-07-23 Exabyte Corporation Method and apparatus for loading data cartridge about two pivot axes into cartridge drive
US5068757A (en) 1989-11-09 1991-11-26 Exabyte Corporation Servo tracking for helical scan recorder
US5142422A (en) 1989-11-09 1992-08-25 Exabyte Corporation Dual channel helical recorder
JP2940033B2 (ja) 1989-12-07 1999-08-25 ソニー株式会社 走査軌跡評定装置
US5050018A (en) 1990-04-19 1991-09-17 Exabyte Corporation Apparatus and method for reading helically recorded tracks and rereading tracks as necessary
JPH0447568A (ja) 1990-06-15 1992-02-17 Teac Corp 磁気テープ装置におけるデータ読み取り方法
US5220569A (en) 1990-07-09 1993-06-15 Seagate Technology, Inc. Disk array with error type indication and selection of error correction method
US5191491A (en) 1990-11-09 1993-03-02 Exabyte Corporation Method and apparatus for reading distorted helical stripes
US5392299A (en) * 1992-01-15 1995-02-21 E-Systems, Inc. Triple orthogonally interleaed error correction system
US5327305A (en) 1992-08-14 1994-07-05 Conner Peripherals, Inc. Tape format detection system
US5349481A (en) 1993-06-10 1994-09-20 Exabyte Corporation Apparatus and method for distorted track data recovery by rewinding and re-reading the tape at a slower than nominal speed
US5369652A (en) 1993-06-14 1994-11-29 International Business Machines Corporation Error detection and correction having one data format recordable on record media using a diverse number of concurrently recorded tracks
JPH09509276A (ja) 1993-11-12 1997-09-16 エクサバイト コーポレイション キャプスタンレスヘリカルドライブシステム
JP3109363B2 (ja) 1993-12-28 2000-11-13 松下電器産業株式会社 磁気記録再生装置
KR100197594B1 (ko) 1995-10-24 1999-06-15 윤종용 배속재생을 위한 가변콘트롤신호 기록/재생장치 및 그 방법
US5872997A (en) 1997-02-14 1999-02-16 Exabyte Corporation System for dynamically determining motion and reconnect thresholds of a storage media based on the effective transfer rate
US5953177A (en) 1997-03-24 1999-09-14 Exabyte Corporation Write splicing for helical scan recorder
US6048090A (en) * 1997-04-23 2000-04-11 Cirrus Logic, Inc. Error correction and concurrent verification of a product code
TW334533B (en) * 1997-06-28 1998-06-21 United Microelectronics Corp The control circuit apparatus for CD-ROM optical disk driver
US6052815A (en) * 1997-11-14 2000-04-18 Cirrus Logic, Inc. ECC system for generating a CRC syndrome over randomized data in a computer storage device
US6272659B1 (en) * 1998-05-18 2001-08-07 Cirrus Logic, Inc. Error correction code processor employing adjustable correction power for miscorrection minimization

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WO2000023997A9 (en) 2000-09-14
DE69903188D1 (de) 2002-10-31
AU1126800A (en) 2000-05-08
WO2000023997A2 (en) 2000-04-27
DE69903188T2 (de) 2003-05-28
EP1125294A2 (de) 2001-08-22
JP2002528838A (ja) 2002-09-03
WO2000023997A3 (en) 2000-07-27
US6367047B1 (en) 2002-04-02
EP1125294B1 (de) 2002-09-25

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