FR2506982A1 - Dispositif pour l'enregistrement et/ou la lecture d'un support d'information - Google Patents

Dispositif pour l'enregistrement et/ou la lecture d'un support d'information

Info

Publication number
FR2506982A1
FR2506982A1 FR8209386A FR8209386A FR2506982A1 FR 2506982 A1 FR2506982 A1 FR 2506982A1 FR 8209386 A FR8209386 A FR 8209386A FR 8209386 A FR8209386 A FR 8209386A FR 2506982 A1 FR2506982 A1 FR 2506982A1
Authority
FR
France
Prior art keywords
track
recording
signal
reading
modulation
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.)
Granted
Application number
FR8209386A
Other languages
English (en)
Other versions
FR2506982B1 (fr
Inventor
Kurt Walter Getreuer
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 FR2506982A1 publication Critical patent/FR2506982A1/fr
Application granted granted Critical
Publication of FR2506982B1 publication Critical patent/FR2506982B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0938—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following servo format, e.g. guide tracks, pilot signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0901—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following only
    • G11B7/0904—Dithered tracking systems

Landscapes

  • Optical Recording Or Reproduction (AREA)

Abstract

DISPOSITIF POUR L'ENREGISTREMENT ETOU LA LECTURE D'INFORMATION SUR UN SUPPORT D'INFORMATION EN FORME DE DISQUE POUVANT ETRE ENREGISTRE ET LU PAR VOIE OPTIQUE ET COMPORTANT UNE CONFIGURATION DE PISTES FORMEE PREALABLEMENT, CONFIGURATION DANS LAQUELLE SONT ETABLIES UNE PREMIERE MODULATION DE PISTE POUR OBTENIR UN SIGNAL D'HORLOGE, ET UNE SECONDE MODULATION DE PISTE, SOIT UNE OSCILLATION RADIALE, POUR OBTENIR UN SIGNAL DE POURSUITE DE PISTE. PAR SYNTHETISATION DE FREQUENCE, ON DEDUIT DU SIGNAL D'HORLOGE UN SIGNAL DE REFERENCE POUR L'OBTENTION D'UN SIGNAL DE POURSUITE DE PISTE PAR DETECTION SYNCHRONE. APPLICATION AUX APPAREILS D'ENREGISTREMENT ET OU DE REPRODUCTION NUMERIQUE.
FR8209386A 1981-05-29 1982-05-28 Dispositif pour l'enregistrement et/ou la lecture d'un support d'information Expired FR2506982B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8102621A NL8102621A (nl) 1981-05-29 1981-05-29 Inrichting voor het beschrijven en/of uitlezen van een registratiedrager.

Publications (2)

Publication Number Publication Date
FR2506982A1 true FR2506982A1 (fr) 1982-12-03
FR2506982B1 FR2506982B1 (fr) 1985-10-31

Family

ID=19837585

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8209386A Expired FR2506982B1 (fr) 1981-05-29 1982-05-28 Dispositif pour l'enregistrement et/ou la lecture d'un support d'information

Country Status (10)

Country Link
US (1) US4807211A (fr)
JP (1) JPS57200952A (fr)
AT (1) AT373423B (fr)
AU (1) AU8422982A (fr)
CA (1) CA1194228A (fr)
DE (1) DE3218917A1 (fr)
FR (1) FR2506982B1 (fr)
GB (1) GB2099614B (fr)
IT (1) IT1151247B (fr)
NL (1) NL8102621A (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8103117A (nl) * 1981-06-29 1983-01-17 Philips Nv Inrichting voor het beschrijven en/of uitlezen van een registratiedrager.
JPS59191144A (ja) * 1983-04-14 1984-10-30 Sony Corp 光ピツクアツプのトラツキングサ−ボ回路
US4703408A (en) * 1983-11-28 1987-10-27 Hitachi, Ltd. Apparatus and record carrier for optically writing information
JPS63239621A (ja) * 1987-03-27 1988-10-05 Sony Corp 診断機能付光デイスク記録・再生装置
GB8719412D0 (en) * 1987-08-17 1987-09-23 Zed Instr Ltd Preparing screen
NL8702261A (nl) * 1987-09-23 1989-04-17 Philips Nv Informatie opteken en/of uitlees systeem, alsmede een registratiedrager en opteken en/of uitleesinrichting voor toepassing in een dergelijk systeem.
US5187699A (en) * 1988-01-22 1993-02-16 U.S. Philips Corporation Method and apparatus for successively recording two EFM-modulated signals enabling detection of boundary condition for transitioning between signals
US5148422A (en) * 1989-08-25 1992-09-15 Sony Corporation Optical recording medium having a data recording track with offset data storing regions
CA2054880C (fr) † 1990-11-09 1997-07-08 Shigemi Maeda Dispositif d'enregistrement et de lecture d'informations
JP3273444B2 (ja) * 1992-09-21 2002-04-08 株式会社ニコン 書込み可能な光ディスク
EP0767959B1 (fr) * 1995-04-28 2002-09-11 Koninklijke Philips Electronics N.V. Systeme pour la memorisation et la reproduction d'informations
US5835478A (en) * 1995-06-15 1998-11-10 Sony Corporation Optical disc having address information for recording and reproducing data at correct positions
JP3529937B2 (ja) * 1996-04-08 2004-05-24 ローム株式会社 光ピックアップ装置
US5809006A (en) * 1996-05-31 1998-09-15 Cagent Technologies, Inc. Optical disk with copy protection, and apparatus and method for recording and reproducing same
US6052358A (en) * 1996-10-04 2000-04-18 Sony Corporation Head feeding mechanism and optical pick-up feeding mechanism
DE19723542A1 (de) * 1997-06-05 1998-12-10 Thomson Brandt Gmbh Gerät zum Lesen und/oder Beschreiben optischer Aufzeichnungsträger
DE19937023A1 (de) 1999-08-05 2001-02-08 Heidenhain Gmbh Dr Johannes Reflexions-Maßverkörperung und Verfahren zur Herstellung einer Reflexions-Maßverkörperung
US8077417B2 (en) * 2008-12-11 2011-12-13 Seagate Technology Llc Skip block writing for bit patterned media write synchronization

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2221780A1 (fr) * 1973-02-02 1974-10-11 Hitachi Ltd
US3931460A (en) * 1974-02-04 1976-01-06 Zenith Radio Corporation Video disc with multiturn undulating storage track
GB1548115A (en) * 1976-03-31 1979-07-04 Jakobs E S Multiple beam optical record playback apparatus for simultaneous scan of plural data tracks
FR2428361A1 (fr) * 1978-06-09 1980-01-04 Hitachi Ltd Methode et dispositif d'enregistrement et de reproduction d'informations
EP0044194A1 (fr) * 1980-07-09 1982-01-20 Kabushiki Kaisha Toshiba Système optique de positionnement

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8000121A (nl) * 1980-01-09 1981-08-03 Philips Nv Schijfvormige, optische uitleesbare registratiedrager als opslagmedium voor datainformatie, inrichting voor het vervaardigen van zo'n registratiedrager, inrichting voor het optekenen van datainformatie in zo'n registratiedrager en inrichting voor het uitlezen van zo'n registratiedrager.
NL8000122A (nl) * 1980-01-09 1981-08-03 Philips Nv Schijfvormige, optisch uitleesbare registratiedrager als opslagmedium voor datainformatie, inrichting voor het vervaardigen van zo'n registratiedrager, inrichting voor het optekenen en/of weergeven van datainformatie in c.q. van zo'n registratiedrager.
NL8000123A (nl) * 1980-01-09 1981-08-03 Philips Nv Inrichting voor het schrijven van digitale informatie in een schijfvormige optisch uitleesbare registratiedrager.
NL8006165A (nl) * 1980-11-12 1982-06-01 Philips Nv Systeem voor het overdragen van digitale informatie, codeerinrichting voor toepassing in dat systeem, decodeerinrichting voor toepassing in dat systeem en registratiedrager voor toepassing in dat systeem.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2221780A1 (fr) * 1973-02-02 1974-10-11 Hitachi Ltd
US3931460A (en) * 1974-02-04 1976-01-06 Zenith Radio Corporation Video disc with multiturn undulating storage track
GB1548115A (en) * 1976-03-31 1979-07-04 Jakobs E S Multiple beam optical record playback apparatus for simultaneous scan of plural data tracks
FR2428361A1 (fr) * 1978-06-09 1980-01-04 Hitachi Ltd Methode et dispositif d'enregistrement et de reproduction d'informations
EP0044194A1 (fr) * 1980-07-09 1982-01-20 Kabushiki Kaisha Toshiba Système optique de positionnement

Also Published As

Publication number Publication date
JPH0221057B2 (fr) 1990-05-11
GB2099614B (en) 1984-09-12
IT8221490A0 (it) 1982-05-26
AU8422982A (en) 1982-12-02
US4807211A (en) 1989-02-21
AT373423B (de) 1984-01-25
IT1151247B (it) 1986-12-17
NL8102621A (nl) 1982-12-16
DE3218917C2 (fr) 1990-11-15
FR2506982B1 (fr) 1985-10-31
CA1194228A (fr) 1985-09-24
ATA207782A (de) 1983-05-15
GB2099614A (en) 1982-12-08
DE3218917A1 (de) 1983-03-10
JPS57200952A (en) 1982-12-09

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ST Notification of lapse