JPH05242408A - 電気信号再生装置 - Google Patents

電気信号再生装置

Info

Publication number
JPH05242408A
JPH05242408A JP4339087A JP33908792A JPH05242408A JP H05242408 A JPH05242408 A JP H05242408A JP 4339087 A JP4339087 A JP 4339087A JP 33908792 A JP33908792 A JP 33908792A JP H05242408 A JPH05242408 A JP H05242408A
Authority
JP
Japan
Prior art keywords
filter
control signal
filter means
frequency
output
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
JP4339087A
Other languages
English (en)
Japanese (ja)
Inventor
Josephus A H M Kahlman
アルノルダス ヘンリカス マリア カールマン ヨセフス
Albert Maria Arnold Rijckaert
マリア アルノルド レイカエルト アルベルト
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of JPH05242408A publication Critical patent/JPH05242408A/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
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B15/05—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container
    • G11B15/087—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container by sensing recorded 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
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
    • 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
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/027—Analogue recording
    • G11B5/035—Equalising
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Networks Using Active Elements (AREA)
  • Digital Magnetic Recording (AREA)
  • Magnetic Heads (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
JP4339087A 1991-12-18 1992-12-18 電気信号再生装置 Pending JPH05242408A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP91203350 1991-12-18
NL91203350:3 1991-12-18

Publications (1)

Publication Number Publication Date
JPH05242408A true JPH05242408A (ja) 1993-09-21

Family

ID=8208085

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4339087A Pending JPH05242408A (ja) 1991-12-18 1992-12-18 電気信号再生装置

Country Status (8)

Country Link
US (1) US6252734B1 (enExample)
EP (1) EP0549030B1 (enExample)
JP (1) JPH05242408A (enExample)
KR (1) KR100251439B1 (enExample)
AT (1) ATE150202T1 (enExample)
DE (1) DE69218154T2 (enExample)
ES (1) ES2101801T3 (enExample)
TW (1) TW222029B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100712378B1 (ko) * 1999-04-19 2007-05-02 소니 가부시끼 가이샤 파형 등화 장치, 파형 등화 장치의 최적화 방법 및 데이터 재생 장치

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5943368A (en) * 1996-07-08 1999-08-24 U.S. Philips Corporation Transmission, recording and reproduction of a digital information signal
JP3459563B2 (ja) * 1998-03-06 2003-10-20 パイオニア株式会社 波形等化器および記録情報再生装置
TW480832B (en) * 1999-12-20 2002-03-21 Koninkl Philips Electronics Nv An arrangement for receiving a digital signal from a transmission medium
GB2357646B (en) 1999-12-23 2004-04-21 Ericsson Telefon Ab L M Equaliser circuits
BRPI0306145B1 (pt) 2002-08-22 2016-05-17 Lg Electronics Inc disco ótico de alta densidade e método de gravação/reprodução do mesmo
KR100932506B1 (ko) * 2003-02-27 2009-12-17 엘지전자 주식회사 고밀도 광디스크의 재생 제어정보 관리 및 데이터 재생제어방법
US9548080B2 (en) 2015-06-18 2017-01-17 International Business Machines Corporation Time-varying filter for high-frequency reel disturbance rejection

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2469043B1 (fr) * 1979-10-31 1986-01-24 Enertec Filtres accordes par commutation et utilisation dans un egalisateur d'enregistrement magnetique
US4479152A (en) * 1982-04-22 1984-10-23 Sperry Corporation Adjustable equalizer
US4564869A (en) * 1983-11-21 1986-01-14 Eastman Kodak Company Zoned equalization for a magnetic disc
JPS6152096A (ja) * 1984-08-22 1986-03-14 Victor Co Of Japan Ltd 情報信号記録媒体再生装置
KR900001594B1 (ko) * 1985-04-30 1990-03-15 가부시끼가이샤 도오시바 플로피디스크장치의 독출회로
US4945311A (en) * 1988-08-29 1990-07-31 Seagate Technology, Inc. Electronically variable equalizer
US5274512A (en) 1989-03-13 1993-12-28 Sony Corporation Coefficient control system for digital equalizer using orthogonal oscillation
US5237588A (en) 1989-03-13 1993-08-17 Sony Corporation Automatic equalizer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100712378B1 (ko) * 1999-04-19 2007-05-02 소니 가부시끼 가이샤 파형 등화 장치, 파형 등화 장치의 최적화 방법 및 데이터 재생 장치

Also Published As

Publication number Publication date
US6252734B1 (en) 2001-06-26
ATE150202T1 (de) 1997-03-15
TW222029B (enExample) 1994-04-01
ES2101801T3 (es) 1997-07-16
DE69218154D1 (de) 1997-04-17
KR930014434A (ko) 1993-07-23
EP0549030A1 (en) 1993-06-30
KR100251439B1 (ko) 2000-04-15
DE69218154T2 (de) 1997-08-21
EP0549030B1 (en) 1997-03-12

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