DE69206038T2 - Verfahren zum Auslesen von Daten aus einer optischen Scheibe. - Google Patents

Verfahren zum Auslesen von Daten aus einer optischen Scheibe.

Info

Publication number
DE69206038T2
DE69206038T2 DE69206038T DE69206038T DE69206038T2 DE 69206038 T2 DE69206038 T2 DE 69206038T2 DE 69206038 T DE69206038 T DE 69206038T DE 69206038 T DE69206038 T DE 69206038T DE 69206038 T2 DE69206038 T2 DE 69206038T2
Authority
DE
Germany
Prior art keywords
optical disc
reading data
reading
data
disc
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
DE69206038T
Other languages
English (en)
Other versions
DE69206038D1 (de
Inventor
Philippe Refregier
Brigitte Loiseaux
Jean-Pierre Huignard
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.)
Callahan Cellular LLC
Original Assignee
Thomson CSF 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 Thomson CSF SA filed Critical Thomson CSF SA
Application granted granted Critical
Publication of DE69206038D1 publication Critical patent/DE69206038D1/de
Publication of DE69206038T2 publication Critical patent/DE69206038T2/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
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
DE69206038T 1991-05-07 1992-04-29 Verfahren zum Auslesen von Daten aus einer optischen Scheibe. Expired - Lifetime DE69206038T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9105605A FR2676302B1 (fr) 1991-05-07 1991-05-07 Procede de lecture des informations contenues dans un disque optique.

Publications (2)

Publication Number Publication Date
DE69206038D1 DE69206038D1 (de) 1995-12-21
DE69206038T2 true DE69206038T2 (de) 1996-04-18

Family

ID=9412612

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69206038T Expired - Lifetime DE69206038T2 (de) 1991-05-07 1992-04-29 Verfahren zum Auslesen von Daten aus einer optischen Scheibe.

Country Status (5)

Country Link
US (1) US5258969A (de)
EP (1) EP0512892B1 (de)
JP (1) JP3258072B2 (de)
DE (1) DE69206038T2 (de)
FR (1) FR2676302B1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5748598A (en) * 1995-12-22 1998-05-05 Massachusetts Institute Of Technology Apparatus and methods for reading multilayer storage media using short coherence length sources
DE4226777A1 (de) * 1992-08-13 1994-02-17 Thomson Brandt Gmbh Rauschanteilverringerung im Datensignal und optische Abtastvorrichtung
US5864530A (en) * 1993-01-04 1999-01-26 U.S. Philips Corporation Multiplane information storage system and record carrier for use in such a system
US5680386A (en) * 1993-12-23 1997-10-21 Thomson-Csf Optical method and system for writing/reading information on a recording medium
FR2722319B1 (fr) * 1994-07-08 1996-08-14 Thomson Csf Dispositif de visualisation couleurs
US5757763A (en) * 1994-07-12 1998-05-26 Massachusetts Institute Of Technology Optical information storage via amplitude modulation
FR2732783B1 (fr) * 1995-04-07 1997-05-16 Thomson Csf Dispositif compact de retroprojection
FR2742911B1 (fr) * 1995-12-21 1998-02-06 Thomson Csf Support d'enregistrement/lecture optique d'informations et procede d'enregistrement
FR2751398B1 (fr) * 1996-07-16 1998-08-28 Thomson Csf Dispositif d'eclairage et application a l'eclairage d'un ecran transmissif
FR2755516B1 (fr) 1996-11-05 1999-01-22 Thomson Csf Dispositif compact d'illumination
FR2755530B1 (fr) * 1996-11-05 1999-01-22 Thomson Csf Dispositif de visualisation et ecran plat de television utilisant ce dispositif
US7006425B1 (en) 1998-11-30 2006-02-28 Kabushiki Kaisha Toshiba Information recording and/or reproducing method and apparatus for three dimensional optical recording medium
US7149173B2 (en) * 2000-10-17 2006-12-12 Thales Medium for recording optically readable data, method for making same and optical system reproducing said data
US7038978B2 (en) * 2000-11-21 2006-05-02 Matsushita Electric Industrial Co., Ltd. Optical information recording and reproducing apparatus for recording information bits into an optical disk in a three dimensional arrangement
FR2819061B1 (fr) * 2000-12-28 2003-04-11 Thomson Csf Dispositif de controle de polarisation dans une liaison optique
US7301883B1 (en) * 2002-06-12 2007-11-27 Lsi Corporation Advanced high density data write strategy

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4845529A (en) * 1987-12-18 1989-07-04 Thomas W. Secrest Storage apparatus comprising a plurality of layers
US4090031A (en) * 1974-10-21 1978-05-16 Eli S. Jacobs Multi-layered opitcal data records and playback apparatus
US4122551A (en) * 1977-04-08 1978-10-24 Xerox Corporation Optical data storage and retrieval system
JPS5545166A (en) * 1978-09-25 1980-03-29 Matsushita Electric Ind Co Ltd Recording and reproducing method for optical information
US4232201A (en) * 1978-11-24 1980-11-04 Mca Discovision, Inc. Dithered center tracking system
US4235531A (en) * 1979-02-05 1980-11-25 Mccormick Thomas J Color movie film noise reduction system
US4290122A (en) * 1979-05-14 1981-09-15 Xerox Corporation Self-synchronizing clock source for optical memories
NL8004159A (nl) * 1979-08-03 1981-01-22 Hitachi Ltd Optische opneeminrichting.
US4445209A (en) * 1979-08-27 1984-04-24 Discovision Associates Dithered focusing systems
US4530080A (en) * 1981-04-07 1985-07-16 Tdk Electronics Co., Ltd. Optical recording/reproducing system
US4460989A (en) * 1981-06-22 1984-07-17 Eli Soloman Jacobs Apparatus for improving focus during playback of an optical data record
US4549288A (en) * 1982-12-20 1985-10-22 North American Philips Corporation Apparatus for enhancing the playback signal in an optical data recording system
US4637008A (en) * 1984-04-12 1987-01-13 Ltv Aerospace And Defense Optical erasable disk memory system utilizing duration modulated laser switching
JPS63146244A (ja) * 1986-12-10 1988-06-18 Hitachi Ltd 波長多重光記録装置
US5077719A (en) * 1987-08-28 1991-12-31 Fujitsu Limited Optical disk access system
JPH0354740A (ja) * 1989-07-24 1991-03-08 Matsushita Electric Ind Co Ltd 光学情報記録部材および光学情報記録再生装置
JPH0393045A (ja) * 1989-09-05 1991-04-18 Canon Inc 半導体レーザ光源及びそれを用いた光学的情報記録再生装置
US5121376A (en) * 1990-01-04 1992-06-09 Hoechst Celanese Corp. Optical disk memory using multi-level data recording
JP2801739B2 (ja) * 1990-05-15 1998-09-21 パイオニア株式会社 多層記録膜の記録再生方法

Also Published As

Publication number Publication date
JPH05135380A (ja) 1993-06-01
US5258969A (en) 1993-11-02
EP0512892A1 (de) 1992-11-11
JP3258072B2 (ja) 2002-02-18
FR2676302B1 (fr) 1993-07-16
DE69206038D1 (de) 1995-12-21
FR2676302A1 (fr) 1992-11-13
EP0512892B1 (de) 1995-11-15

Similar Documents

Publication Publication Date Title
DE69127224D1 (de) Verfahren zum Aufzeichnen von kodierten Bewegtbilddaten
DE68908201D1 (de) Verfahren zur befestigung von informationen an einer optischen scheibe, die ausschliesslich zum lesen vorbereitet ist.
DE69206038T2 (de) Verfahren zum Auslesen von Daten aus einer optischen Scheibe.
DE3768908D1 (de) Verfahren zur optischen informationsaufzeichnung.
DE69126349D1 (de) Verfahren zur optischen Aufzeichnung von Daten auf einem Medium
DE69021143D1 (de) Verfahren zur wirksamen Verwendung von auswechselbaren Aufzeichnungsmedien für Daten.
DE3484939D1 (de) Optisches aufzeichnungsmedium und verfahren zum optischen aufnehmen und loeschen auf diesem medium.
DE69124817T2 (de) Verfahren und Gerät zur Aufzeichnung von Daten
DE3768514D1 (de) Verfahren zur reversiblen, optischen datenspeicherung (iii).
DE3684306D1 (de) Verfahren zum aufzeichnen von optischer information.
DE3768513D1 (de) Verfahren zur reversiblen optischen datenspeicherung.
DE59205115D1 (de) Verfahren zum aufzeichnen von informationen
DE3862972D1 (de) Verfahren zum schreiben von daten auf eine optische karte.
DE58908631D1 (de) Verfahren zur erfassung von druckflächenbedeckungsdaten.
DE59108996D1 (de) Verfahren zum auswerten binärer informationen einer magnetspeicherkarte
DE3675426D1 (de) Verfahren zum lesen optisch aufgezeichneter daten und vorrichtung dafuer.
DE68905400D1 (de) Optischer aufzeichnungstraeger und verfahren zum schreiben, lesen und loeschen einer information in diesem traeger.
DE69227219D1 (de) Verfahren zur wahlweise Aufzeichnung oder Wiedergabe von Daten unter Verwendung eines Informationsverarbeitungssystems
DE69026634T2 (de) Verfahren und System zum Schreiben und Lesen von kodierten Daten
DE69328534D1 (de) Vorrichtung zur Aufzeichnung von Daten
DE69229907T2 (de) Optisches Datenaufzeichnungsmedium und Verfahren zur Aufzeichnung auf, Löschen aus und Wiedergabe von demselben
DE69701349T2 (de) Verfahren zum Lesen von seitenweise gespeicherten Daten
DE3689564D1 (de) Verfahren zur datenspeicherung auf optischen datenaufzeichnungskarten.
DE69623898T2 (de) Verfahren zum lesen von informationen
DE3850679D1 (de) Verfahren zur Aufzeichnung von Daten auf einem kartenförmigen Aufzeichnungsträger.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: THALES, NEUILLY SUR SEINE, FR

8327 Change in the person/name/address of the patent owner

Owner name: THES INVESTMENTS LLC, WILMINGTON, DEL., US

8328 Change in the person/name/address of the agent

Representative=s name: PATENTANWAELTE TERGAU & POHL, 90482 NUERNBERG

R071 Expiry of right

Ref document number: 512892

Country of ref document: EP