DE69114731T2 - Vorrichtung zum Lesen länglicher Segmente aus einem sich bewegenden Aufzeichnungsträger. - Google Patents

Vorrichtung zum Lesen länglicher Segmente aus einem sich bewegenden Aufzeichnungsträger.

Info

Publication number
DE69114731T2
DE69114731T2 DE69114731T DE69114731T DE69114731T2 DE 69114731 T2 DE69114731 T2 DE 69114731T2 DE 69114731 T DE69114731 T DE 69114731T DE 69114731 T DE69114731 T DE 69114731T DE 69114731 T2 DE69114731 T2 DE 69114731T2
Authority
DE
Germany
Prior art keywords
reading
record carrier
elongated segments
moving record
moving
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
DE69114731T
Other languages
English (en)
Other versions
DE69114731D1 (de
Inventor
Jean-Claude Lehureau
Sophie Neubert
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
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 DE69114731D1 publication Critical patent/DE69114731D1/de
Publication of DE69114731T2 publication Critical patent/DE69114731T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10554—Moving beam scanning
    • G06K7/10594—Beam path
    • G06K7/10683—Arrangement of fixed elements
    • G06K7/10702—Particularities of propagating elements, e.g. lenses, mirrors
    • 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
    • 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
    • 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
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1362—Mirrors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/7805—Recording or playback not using inductive heads, e.g. magneto-optical, thermomagnetic, magnetostrictive, galvanomagnetic

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Toxicology (AREA)
  • Multimedia (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Lenses (AREA)
DE69114731T 1990-01-18 1991-01-11 Vorrichtung zum Lesen länglicher Segmente aus einem sich bewegenden Aufzeichnungsträger. Expired - Fee Related DE69114731T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9000546A FR2657190B1 (fr) 1990-01-18 1990-01-18 Dispositif de lecture de segments oblongs d'un support en defilement.

Publications (2)

Publication Number Publication Date
DE69114731D1 DE69114731D1 (de) 1996-01-04
DE69114731T2 true DE69114731T2 (de) 1996-04-18

Family

ID=9392892

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69114731T Expired - Fee Related DE69114731T2 (de) 1990-01-18 1991-01-11 Vorrichtung zum Lesen länglicher Segmente aus einem sich bewegenden Aufzeichnungsträger.

Country Status (6)

Country Link
US (1) US5218595A (de)
EP (1) EP0439383B1 (de)
JP (1) JP3071845B2 (de)
KR (1) KR100208543B1 (de)
DE (1) DE69114731T2 (de)
FR (1) FR2657190B1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05184178A (ja) * 1992-01-09 1993-07-23 Nissan Motor Co Ltd アクチュエータ制御装置
FR2723243B1 (fr) * 1994-07-26 1996-09-06 Thomson Csf Dispositif d'enregistrement et/ou de lecture de tetes magnetiques et son procede de realisation
FR2723242B1 (fr) * 1994-07-26 1996-08-30 Thomson Csf Tete magnetique a element saturable et dispositif matriciel comportant un ensemble de tetes magnetiques
US20030054203A1 (en) * 1997-10-22 2003-03-20 Quantum Corporation, A California Corporation Magnetic tape
US6084740A (en) 1997-12-01 2000-07-04 Storage Technology Corporation Optical servo system for a tape drive
DE19913382C2 (de) * 1998-03-24 2002-08-14 Quantum Corp Mehrkanaliges Magnetbandsystem mit einem optischen Spur-Servo
US7153366B1 (en) 1998-03-24 2006-12-26 Quantum Corporation Systems and method for forming a servo pattern on a magnetic tape
US7029726B1 (en) 1999-07-27 2006-04-18 Quantum Corporation Method for forming a servo pattern on a magnetic tape
US6246535B1 (en) * 1998-11-13 2001-06-12 Quantum Corporation Optical apparatus for tracking a magnetic tape
FR2786345B1 (fr) 1998-11-24 2001-02-09 Thomson Csf Dispositif de cryptage quantique
US20030189782A1 (en) * 2002-04-04 2003-10-09 Storage Technology Corporation Optical servo system for a tape drive
FR2797514B3 (fr) 1999-08-10 2001-10-12 Thomson Csf Dispositif de lecture magneto-optique pour bandes magnetiques multipistes
FR2802696B1 (fr) 1999-12-17 2002-07-19 Thomson Csf Lecteur magneto optique optimise par le polariseur de lumiere incidente
US6940676B1 (en) 2000-06-07 2005-09-06 Quantum Corporation Triple push-pull optical tracking system
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
FR2824905B1 (fr) * 2001-05-15 2003-08-29 Thomson Csf Gyrometre a fibre optique
US7187515B2 (en) * 2003-02-05 2007-03-06 Quantum Corporation Method and system for tracking magnetic media with embedded optical servo tracks
US6980390B2 (en) * 2003-02-05 2005-12-27 Quantum Corporation Magnetic media with embedded optical servo tracks
US8040070B2 (en) * 2008-01-23 2011-10-18 Cree, Inc. Frequency converted dimming signal generation

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2266932B1 (de) * 1973-03-02 1977-09-02 Thomson Brandt
FR2431810B1 (fr) * 1978-07-17 1985-06-28 Agfa Gevaert Ag Dispositif pour la lecture electronique de films super 8 en vue de les visionner sur un televiseur
WO1981001217A1 (en) * 1979-10-26 1981-04-30 G Bird Fluorescent soundtrack readout system
US4551827A (en) * 1979-10-26 1985-11-05 Peter A. Custer Fluorescent soundtrack readout system
EP0092420A1 (de) * 1982-04-19 1983-10-26 Xerox Corporation Vorrichtungen zur Informationsspeicherung
GB2120001B (en) * 1982-04-28 1985-10-30 Tdk Corp An optical magnetic reproduction system
FR2526987B1 (fr) * 1982-05-14 1987-07-03 Bull Sa Procede opto-electronique de lecture d'informations contenues sur un support magnetique et circuit pour le mettre en oeuvre
JPH0677351B2 (ja) * 1986-11-15 1994-09-28 ソニー株式会社 光学ピツクアツプ装置
US4835380A (en) * 1987-06-11 1989-05-30 U. S. Philips Corporation Scanning device for an optical recording and/or reproducing apparatus
US4959824A (en) * 1987-07-31 1990-09-25 Minolta Camera Kabushiki Kaisha Optical information record/pickup head assembly
DE3781157T2 (de) * 1987-10-30 1993-03-04 Ibm Deutschland Buendelanalyse-vorrichtung fuer geraete zur optischen aufzeichnung.

Also Published As

Publication number Publication date
FR2657190B1 (fr) 1995-07-21
JP3071845B2 (ja) 2000-07-31
JPH04219656A (ja) 1992-08-10
EP0439383B1 (de) 1995-11-22
KR100208543B1 (ko) 1999-07-15
DE69114731D1 (de) 1996-01-04
FR2657190A1 (fr) 1991-07-19
EP0439383A1 (de) 1991-07-31
US5218595A (en) 1993-06-08
KR910014884A (ko) 1991-08-31

Similar Documents

Publication Publication Date Title
DE69114731T2 (de) Vorrichtung zum Lesen länglicher Segmente aus einem sich bewegenden Aufzeichnungsträger.
DE69024605D1 (de) Anordnung zum Lesen einer auf einem Informationsträger aufgezeichneten digitalen Information
AT371270B (de) Vorrichtung zum auslesen eines scheibenfoermigen aufzeichnungstraegers
AT371269B (de) Vorrichtung zum auslesen eines scheibenfoermigen aufzeichnungstraegers
DE69226116T2 (de) Aufzeichnungsträger, Ausleseeinrichtung zum Auslesen des Aufzeichnungsträgers, sowie Verfahren und Aufzeicheneinrichtung zum Aufzeichnen von Information auf einem Aufzeichnungsträger
DE68913637T2 (de) Vorrichtung zum Schneiden von Aufzeichnungsträgern.
DE69132080T2 (de) Vorrichtung für elektronisches Gerät zum gespeicherten Daten-Schutz
DE59105702D1 (de) Vorrichtung zum Entfernen von Zigaretten aus der diese umschliessenden Verpackung.
DE3577152D1 (de) Vorrichtung zum reibschluessigen transport eines kartenfoermigen aufzeichnungstraegers.
DE69112493T2 (de) Gerät zum Lesen eines Fluorenszenzmusters.
DE69207156T2 (de) Vorrichtung zum Auswerfen der Submunitionen aus einem Trägergeschoss
DE68922170T2 (de) Gerät zum Empfangen eines Digitalsignals.
DE69219970D1 (de) Vorrichtung zum Aufzeichnen/Wiedergeben von digitalen Signalen
DE69021011T2 (de) Vorrichtung zum Aufzeichnen auf Magnetband.
DE59104056D1 (de) Kassette für einen Aufzeichnungsträger.
AT378459B (de) Vorrichtung zum auslesen eines scheibenfoermigen aufzeichnungstraegers
DE212080T1 (de) Vorrichtung zum ausziehen eines elementes aus einem zusammenbau.
DE68917395T2 (de) Vorrichtung zum Transportieren von Aufzeichnungsträgern.
DE600238T1 (de) Vorrichtung zum Beschreiben/Lesen einer optischen Platte.
DE3775136D1 (de) Vorrichtung zum halten eines bandes.
DE68922777D1 (de) Vorrichtung zum Laden einer Kassette.
DE68910646D1 (de) Verfahren zum Trocknen für Aufnahme-/Wiedergabegerät.
DE69526533D1 (de) Gerät zum Auslesen von optischer Information aus einem Kinofilm
AT397737B (de) Gerät zum abspielen eines kreisscheibenförmigen aufzeichnungsträgers
DE69022229T2 (de) Einrichtung zum Auslesen digitaler Daten von einem Band.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee