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DE69800600D1 - Digitalaufzeichungs-/-wiedergabegerät - Google Patents

Digitalaufzeichungs-/-wiedergabegerät

Info

Publication number
DE69800600D1
DE69800600D1 DE69800600T DE69800600T DE69800600D1 DE 69800600 D1 DE69800600 D1 DE 69800600D1 DE 69800600 T DE69800600 T DE 69800600T DE 69800600 T DE69800600 T DE 69800600T DE 69800600 D1 DE69800600 D1 DE 69800600D1
Authority
DE
Germany
Prior art keywords
playback device
digital recording
recording
digital
playback
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.)
Expired - Fee Related
Application number
DE69800600T
Other languages
English (en)
Other versions
DE69800600T2 (de
Inventor
Naoji Izumi
Hironobu Katayama
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Application granted granted Critical
Publication of DE69800600D1 publication Critical patent/DE69800600D1/de
Publication of DE69800600T2 publication Critical patent/DE69800600T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B20/10009—Improvement or modification of read or write signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Digital Magnetic Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Filters That Use Time-Delay Elements (AREA)
DE69800600T 1997-01-28 1998-01-28 Digitalaufzeichungs-/-wiedergabegerät Expired - Fee Related DE69800600T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP01410297A JP3335862B2 (ja) 1997-01-28 1997-01-28 波形等化器及びこれを備えたディジタル記録再生装置

Publications (2)

Publication Number Publication Date
DE69800600D1 true DE69800600D1 (de) 2001-04-26
DE69800600T2 DE69800600T2 (de) 2001-08-23

Family

ID=11851767

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69800600T Expired - Fee Related DE69800600T2 (de) 1997-01-28 1998-01-28 Digitalaufzeichungs-/-wiedergabegerät

Country Status (4)

Country Link
US (1) US6160673A (de)
EP (1) EP0855711B1 (de)
JP (1) JP3335862B2 (de)
DE (1) DE69800600T2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4162814B2 (ja) * 1999-10-28 2008-10-08 富士通株式会社 デジタル信号処理方法及びデジタル信号処理装置
JP3520004B2 (ja) * 1999-12-10 2004-04-19 三洋電機株式会社 ビデオテープレコーダ
US7362957B2 (en) * 2000-01-25 2008-04-22 Canon Kabushiki Kaisha Reproducing apparatus
JP3840048B2 (ja) * 2000-05-10 2006-11-01 株式会社東芝 情報再生装置又は情報記録媒体の評価方法、所定の評価基準を満たした情報記録媒体、及び所定の評価基準を満たした情報記録媒体を再生する情報再生装置
US6927932B1 (en) * 2001-08-10 2005-08-09 Lsi Logic Corporation Filter for disk drive bi-phase servo demodulation
US7239680B2 (en) * 2002-07-17 2007-07-03 Broadcom Corporation Methods for performing channel diagnostics
US7190718B2 (en) * 2002-07-17 2007-03-13 Broadcom Corporation Method and apparatus for determining a receiver sampling phase for use in diagnosing a channel
US6765741B2 (en) * 2002-11-25 2004-07-20 International Business Machines Corporation Adjusting a read detection equalizer filter of a magnetic tape drive employing a recording format required control pattern
US7274645B2 (en) * 2003-06-10 2007-09-25 Matsushita Electric Industrial Co., Ltd. Reproduction signal processing apparatus and optical disc player including the same
WO2005024822A1 (ja) * 2003-09-02 2005-03-17 Matsushita Electric Industrial Co., Ltd. 再生信号処理装置、及び再生信号処理方法
JP2005135563A (ja) * 2003-10-31 2005-05-26 Sanyo Electric Co Ltd 適応等化器
JP4121444B2 (ja) * 2003-10-31 2008-07-23 三洋電機株式会社 データ再生装置
JP4324198B2 (ja) * 2004-08-03 2009-09-02 パナソニック株式会社 再生信号処理装置
US7436615B2 (en) * 2005-12-08 2008-10-14 International Business Machines Corporation Using a measured error to determine coefficients to provide to an equalizer to use to equalize an input signal
US8331430B2 (en) * 2006-08-02 2012-12-11 Broadcom Corporation Channel diagnostic systems and methods
US8773793B1 (en) * 2012-08-03 2014-07-08 Western Digital Technologies, Inc. Disk drive selecting target response based on identified response

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01229516A (ja) * 1988-03-10 1989-09-13 Sony Corp 自動等化器
US5274512A (en) * 1989-03-13 1993-12-28 Sony Corporation Coefficient control system for digital equalizer using orthogonal oscillation
JPH0498602A (ja) * 1990-08-14 1992-03-31 Sony Corp 再生装置
DE69218514T2 (de) * 1991-08-03 1997-07-17 Sony Corp Magnetisches Wiedergabegerät
JPH05314653A (ja) * 1992-05-13 1993-11-26 Fujitsu Ltd 磁気記録再生装置
ATE172052T1 (de) * 1992-08-06 1998-10-15 Koninkl Philips Electronics Nv Empfangsanordnung zum empfang eines digitalen signals von einem übertragungsmedium mit variablen entzerrungsmitteln
JPH0676477A (ja) * 1992-08-26 1994-03-18 Hitachi Ltd 適応等化回路を有するデータ再生装置
JP3238542B2 (ja) * 1993-08-31 2001-12-17 株式会社東芝 自動等化器
JP2658895B2 (ja) * 1994-08-30 1997-09-30 日本電気株式会社 スライスレベル設定装置とこれを用いた磁気記録装置
JP3513228B2 (ja) * 1994-09-29 2004-03-31 富士通株式会社 磁気ディスク装置及び読取波形等化方法

Also Published As

Publication number Publication date
US6160673A (en) 2000-12-12
EP0855711B1 (de) 2001-03-21
EP0855711A3 (de) 1999-05-06
DE69800600T2 (de) 2001-08-23
EP0855711A2 (de) 1998-07-29
JP3335862B2 (ja) 2002-10-21
JPH10208204A (ja) 1998-08-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee