ATE150202T1 - Schaltungsanordnung zum wiedergeben eines elektrischen signals von einer spur auf einem magnetischen aufzeichnungsträger - Google Patents

Schaltungsanordnung zum wiedergeben eines elektrischen signals von einer spur auf einem magnetischen aufzeichnungsträger

Info

Publication number
ATE150202T1
ATE150202T1 AT92203863T AT92203863T ATE150202T1 AT E150202 T1 ATE150202 T1 AT E150202T1 AT 92203863 T AT92203863 T AT 92203863T AT 92203863 T AT92203863 T AT 92203863T AT E150202 T1 ATE150202 T1 AT E150202T1
Authority
AT
Austria
Prior art keywords
control signal
filter means
signal input
output
filter
Prior art date
Application number
AT92203863T
Other languages
German (de)
English (en)
Inventor
Josephus Arnoldus Henr Kahlman
Albert Maria Arnold Rijckaert
Original Assignee
Philips Electronics 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 Electronics Nv filed Critical Philips Electronics Nv
Application granted granted Critical
Publication of ATE150202T1 publication Critical patent/ATE150202T1/de

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00Driving, 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
    • G11B15/02Control of operating function, e.g. switching from recording to reproducing
    • G11B15/05Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container
    • G11B15/087Control 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/10009Improvement or modification of read or write signals
    • G11B20/10046Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/10009Improvement or modification of read or write signals
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/027Analogue recording
    • G11B5/035Equalising
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03JTUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02Automatic 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)
AT92203863T 1991-12-18 1992-12-10 Schaltungsanordnung zum wiedergeben eines elektrischen signals von einer spur auf einem magnetischen aufzeichnungsträger ATE150202T1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ATE150202T1 true ATE150202T1 (de) 1997-03-15

Family

ID=8208085

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92203863T ATE150202T1 (de) 1991-12-18 1992-12-10 Schaltungsanordnung zum wiedergeben eines elektrischen signals von einer spur auf einem magnetischen aufzeichnungsträger

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)

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
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

Also Published As

Publication number Publication date
US6252734B1 (en) 2001-06-26
TW222029B (enExample) 1994-04-01
ES2101801T3 (es) 1997-07-16
DE69218154D1 (de) 1997-04-17
KR930014434A (ko) 1993-07-23
JPH05242408A (ja) 1993-09-21
EP0549030A1 (en) 1993-06-30
KR100251439B1 (ko) 2000-04-15
DE69218154T2 (de) 1997-08-21
EP0549030B1 (en) 1997-03-12

Similar Documents

Publication Publication Date Title
EP0030256B1 (en) Buried servo track data recording systems
JPS6410406A (en) Magnetic recording and reproducing device
MY128258A (en) Optical information recording medium, optical information recording apparatus, and method of recording test signal on the same
ATE154719T1 (de) Anordnung zum wiedergeben eines digitalen signals von einer spur auf einem aufzeichnungsträger unter verwendung eines schreibkopfs mit einem mr- element
GB2125656A (en) Digital modulation signal reading device
CA2063221A1 (en) Write laser power setting device and method
EP0030300A1 (en) Magnetic data recorder circuit and method of operating magnetic data recorders
ATE150202T1 (de) Schaltungsanordnung zum wiedergeben eines elektrischen signals von einer spur auf einem magnetischen aufzeichnungsträger
CA2073323A1 (en) Optical recording medium driving apparatus capable of accurately detecting position of optical head
WO1994027294A1 (en) Apparatus and method for dc restoration of optical recording read channel
US4159489A (en) Magnetic record reproducing system
US4327383A (en) Read circuit for a floppy disk drive
US5396479A (en) Apparatus and method for setting a threshold level to maintain duty cycle in a pulse width modulated optical recording system
DE69719009D1 (de) Schreibkompensationsvorrichtung für aufzeichnung auf magnetische medien
US4303951A (en) Device for compensating unequal write fields in magnetic data-storage devices, especially in disc memories
MY105166A (en) Circuit arrangement for identifying the type of an optical recording medium.
DE3850218D1 (de) Anordnung zum Wiedergeben eines binären Digitalsignals mit einem Lesekopf mit eigens gewählter Spaltlänge.
US3797038A (en) Data or audio recording and playback apparatus
DE69012231D1 (de) System zum Aufnehmen/Wiedergeben von Signalen auf einem Magnetband in einer Kassette.
EP0022108A1 (en) Means for improving the high frequency response in magnetic audio recording
JPS57141003A (en) Bias control method of and apparatus for magnetic recording
JPS56117382A (en) Read-in control system in magnetic recording and playback device
EP0312404A3 (en) Apparatus and method for improving the fidelity of audio recording on a magnetic medium
SU1476526A1 (ru) Способ снижени шумов паузы при магнитной записи фонограммы
JPS5477115A (en) Magnetic recording and reproducing device

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties