DE69623898T2 - Verfahren zum lesen von informationen - Google Patents

Verfahren zum lesen von informationen

Info

Publication number
DE69623898T2
DE69623898T2 DE69623898T DE69623898T DE69623898T2 DE 69623898 T2 DE69623898 T2 DE 69623898T2 DE 69623898 T DE69623898 T DE 69623898T DE 69623898 T DE69623898 T DE 69623898T DE 69623898 T2 DE69623898 T2 DE 69623898T2
Authority
DE
Germany
Prior art keywords
reading information
reading
information
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 - Lifetime
Application number
DE69623898T
Other languages
English (en)
Other versions
DE69623898D1 (de
Inventor
Michel Audoin
Charaf Hanna
Joseph Colineau
Vito Mario De
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.)
Thales SA
Technicolor SA
Original Assignee
Thales SA
Thomson Multimedia SA
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 Thales SA, Thomson Multimedia SA filed Critical Thales SA
Application granted granted Critical
Publication of DE69623898D1 publication Critical patent/DE69623898D1/de
Publication of DE69623898T2 publication Critical patent/DE69623898T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10502—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing characterised by the transducing operation to be executed
    • G11B11/10515—Reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10532—Heads
    • G11B11/10541—Heads for reproducing
    • G11B11/10543—Heads for reproducing using optical beam of radiation
    • G11B11/10547—Heads for reproducing using optical beam of radiation interacting with the magnetisation of an intermediate transfer element, e.g. magnetic film, included in the head
    • 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
    • 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
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/49—Fixed mounting or arrangements, e.g. one head per track
    • G11B5/4969—Details for track selection or addressing
    • 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
    • G11B20/20—Signal processing not specific to the method of recording or reproducing; Circuits therefor for correction of skew for multitrack recording
DE69623898T 1995-04-21 1996-04-19 Verfahren zum lesen von informationen Expired - Lifetime DE69623898T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9504820A FR2733346B1 (fr) 1995-04-21 1995-04-21 Procede de lecture d'informations
PCT/FR1996/000601 WO1996033490A1 (fr) 1995-04-21 1996-04-19 Procede de lecture d'informations

Publications (2)

Publication Number Publication Date
DE69623898D1 DE69623898D1 (de) 2002-10-31
DE69623898T2 true DE69623898T2 (de) 2003-05-15

Family

ID=9478352

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69623898T Expired - Lifetime DE69623898T2 (de) 1995-04-21 1996-04-19 Verfahren zum lesen von informationen

Country Status (8)

Country Link
US (1) US5963525A (de)
EP (1) EP0766863B1 (de)
JP (1) JPH10505936A (de)
CN (1) CN1114915C (de)
DE (1) DE69623898T2 (de)
DK (1) DK0766863T3 (de)
FR (1) FR2733346B1 (de)
WO (1) WO1996033490A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6977875B1 (en) 1999-07-09 2005-12-20 Thales Tracking system for recording/reading a data medium and recording medium
FR2797514B3 (fr) * 1999-08-10 2001-10-12 Thomson Csf Dispositif de lecture magneto-optique pour bandes magnetiques multipistes
US6418101B1 (en) * 1999-09-03 2002-07-09 Zen Research (Ireland), Ltd. Digital read channel for optical disk reader
JP3486145B2 (ja) * 2000-01-17 2004-01-13 松下電器産業株式会社 デジタル記録データ再生装置
US6693872B1 (en) * 2000-08-29 2004-02-17 Eastman Kodak Company Multi-track optical data recording and readout
DE10141597B4 (de) * 2001-08-24 2017-11-09 Lantiq Deutschland Gmbh Verfahren zum Rekonstruieren von über eine Übertragungsstrecke übertragenen Daten in einem Empfänger und entsprechende Vorrichtung
JP2004079015A (ja) * 2002-08-09 2004-03-11 Fujitsu Ltd データ再生装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4707841A (en) * 1984-08-21 1987-11-17 University Of Toronto, Innovations Foundation Digital data receiver for preamble free data transmission
US4780892A (en) * 1984-10-05 1988-10-25 Willi Studer Ag Scanning frequency synchronization method and apparatus
NL8600931A (nl) * 1986-04-14 1987-11-02 Philips Nv Werkwijze en inrichting voor het restaureren van ongeldige monsters van een equidistant bemonsterd signaal.
EP0263656A3 (en) * 1986-10-06 1989-11-15 Thorn Emi Plc Tape recording
GB2224911A (en) * 1988-11-09 1990-05-16 Philips Nv Method of and apparatus for assigning binary values to sample values
DE69026726T2 (de) * 1989-10-23 1996-11-28 Matsushita Electric Ind Co Ltd Digitales signalwiedergabegerät mit variabler geschwindigkeit
JP3194752B2 (ja) * 1991-01-31 2001-08-06 パイオニア株式会社 Ｐｃｍディジタルオーディオ信号再生装置
JPH0562495A (ja) * 1991-09-02 1993-03-12 Pioneer Electron Corp サンプリング周波数変換器
US5586100A (en) * 1992-10-13 1996-12-17 Literal Corporation Transversal filter and method for cancelling intersymbol interference
FR2699724B1 (fr) * 1992-12-22 1995-01-20 Thomson Csf Procédé de lecture d'un support d'enregistrement et système appliquant ce procédé.
BE1007872A3 (nl) * 1993-12-15 1995-11-07 Philips Electronics Nv Optische aftastinrichting, alsmede een opteken- en/of uitleesinrichting voorzien van een dergelijke aftastinrichting.
JPH07220409A (ja) * 1994-02-04 1995-08-18 Pioneer Electron Corp ディジタル信号再生装置
JP2922113B2 (ja) * 1994-04-06 1999-07-19 松下電送システム株式会社 画像記録装置
US5602811A (en) * 1994-08-11 1997-02-11 Yamaha Corporation Musical information recording and reproducing technique for use with a recording medium having a UTOC area

Also Published As

Publication number Publication date
CN1114915C (zh) 2003-07-16
DK0766863T3 (da) 2003-01-27
FR2733346B1 (fr) 1997-05-23
EP0766863B1 (de) 2002-09-25
JPH10505936A (ja) 1998-06-09
WO1996033490A1 (fr) 1996-10-24
EP0766863A1 (de) 1997-04-09
CN1150857A (zh) 1997-05-28
US5963525A (en) 1999-10-05
FR2733346A1 (fr) 1996-10-25
DE69623898D1 (de) 2002-10-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition