KR100251439B1 - 자기레코드캐리어상에트랙으로부터의전기신호재생장치 - Google Patents

자기레코드캐리어상에트랙으로부터의전기신호재생장치 Download PDF

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Publication number
KR100251439B1
KR100251439B1 KR1019920024274A KR920024274A KR100251439B1 KR 100251439 B1 KR100251439 B1 KR 100251439B1 KR 1019920024274 A KR1019920024274 A KR 1019920024274A KR 920024274 A KR920024274 A KR 920024274A KR 100251439 B1 KR100251439 B1 KR 100251439B1
Authority
KR
South Korea
Prior art keywords
control signal
output
input
filter means
frequency
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
KR1019920024274A
Other languages
English (en)
Korean (ko)
Other versions
KR930014434A (ko
Inventor
요제푸스아르놀두스헨리쿠스마리아칼만
알베르트마리아아르놀드리예카에르트
Original Assignee
요트.게.아. 롤페즈
코닌클리케 필립스 일렉트로닉스 엔.브이.
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 요트.게.아. 롤페즈, 코닌클리케 필립스 일렉트로닉스 엔.브이. filed Critical 요트.게.아. 롤페즈
Publication of KR930014434A publication Critical patent/KR930014434A/ko
Application granted granted Critical
Publication of KR100251439B1 publication Critical patent/KR100251439B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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)
KR1019920024274A 1991-12-18 1992-12-15 자기레코드캐리어상에트랙으로부터의전기신호재생장치 Expired - Fee Related KR100251439B1 (ko)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
KR930014434A KR930014434A (ko) 1993-07-23
KR100251439B1 true KR100251439B1 (ko) 2000-04-15

Family

ID=8208085

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920024274A Expired - Fee Related KR100251439B1 (ko) 1991-12-18 1992-12-15 자기레코드캐리어상에트랙으로부터의전기신호재생장치

Country Status (8)

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

Families Citing this family (8)

* 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
JP2000306336A (ja) * 1999-04-19 2000-11-02 Sony Corp 波形等化装置、波形等化装置の最適化方法、及びデータ再生装置
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
CA2464221C (en) 2002-08-22 2012-07-03 Lg Electronics Inc. High-density optical disc and recording/reproducing method thereof
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
EP0387813B1 (en) 1989-03-13 1997-06-25 Sony Corporation Automatic equalizer
US5274512A (en) 1989-03-13 1993-12-28 Sony Corporation Coefficient control system for digital equalizer using orthogonal oscillation

Also Published As

Publication number Publication date
JPH05242408A (ja) 1993-09-21
ES2101801T3 (es) 1997-07-16
US6252734B1 (en) 2001-06-26
DE69218154T2 (de) 1997-08-21
TW222029B (https=) 1994-04-01
ATE150202T1 (de) 1997-03-15
KR930014434A (ko) 1993-07-23
EP0549030A1 (en) 1993-06-30
DE69218154D1 (de) 1997-04-17
EP0549030B1 (en) 1997-03-12

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