DE69312527D1 - Optischer Abtastkopf für optisches Wiedergabegerät - Google Patents

Optischer Abtastkopf für optisches Wiedergabegerät

Info

Publication number
DE69312527D1
DE69312527D1 DE69312527T DE69312527T DE69312527D1 DE 69312527 D1 DE69312527 D1 DE 69312527D1 DE 69312527 T DE69312527 T DE 69312527T DE 69312527 T DE69312527 T DE 69312527T DE 69312527 D1 DE69312527 D1 DE 69312527D1
Authority
DE
Germany
Prior art keywords
optical
playback device
scanning head
optical scanning
optical playback
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
DE69312527T
Other languages
English (en)
Other versions
DE69312527T2 (de
Inventor
Naoharu Yanagawa
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic Corp
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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Application granted granted Critical
Publication of DE69312527D1 publication Critical patent/DE69312527D1/de
Publication of DE69312527T2 publication Critical patent/DE69312527T2/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
    • 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
    • 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
    • G11B11/10595—Control of operating function
    • G11B11/10597—Adaptations for transducing various formats on the same or different carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B13/00—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for
    • G11B13/04—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for magnetically or by magnetisation and optically or by radiation, for changing or sensing optical properties
    • 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
    • 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
    • G11B7/1372—Lenses
    • G11B7/1374—Objective lenses
    • 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
    • G11B7/1372—Lenses
    • G11B7/1378—Separate aberration correction lenses; Cylindrical lenses to generate astigmatism; Beam expanders
    • 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
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
DE69312527T 1992-02-27 1993-02-26 Optischer Abtastkopf für optisches Wiedergabegerät Expired - Fee Related DE69312527T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4076023A JPH05242521A (ja) 1992-02-27 1992-02-27 光ディスクプレーヤ

Publications (2)

Publication Number Publication Date
DE69312527D1 true DE69312527D1 (de) 1997-09-04
DE69312527T2 DE69312527T2 (de) 1998-03-05

Family

ID=13593233

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69312527T Expired - Fee Related DE69312527T2 (de) 1992-02-27 1993-02-26 Optischer Abtastkopf für optisches Wiedergabegerät

Country Status (4)

Country Link
US (1) US5381394A (de)
EP (1) EP0558052B1 (de)
JP (1) JPH05242521A (de)
DE (1) DE69312527T2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4308531A1 (de) * 1993-03-17 1994-09-22 Thomson Brandt Gmbh Kompatibles Aufzeichnungs- und/oder Wiedergabegerät
CN1110038C (zh) * 1995-01-31 2003-05-28 索尼公司 光记录媒体的再现设备
KR960038794A (ko) * 1995-04-14 1996-11-21 사또오 후미오 광학적 정보 재생 장치
USRE39025E1 (en) * 1995-08-30 2006-03-21 Samsung Electronics Co., Ltd. Lens device including a light controlling mechanism and an optical pickup apparatus using a lens device
KR100234257B1 (ko) * 1995-08-30 1999-12-15 윤종용 대물렌즈 장치 및 안정된 포커스 서보 신호를 얻는방법 및 이를 적용한 광픽업 장치 및 두께가 다른 디스크를 판별하는 방법 및 두께가 다른 디스크로부터 정보를 재생하고 기록하는 방법
JPH0991761A (ja) * 1995-09-28 1997-04-04 Sony Corp 光記録媒体
JP3817286B2 (ja) * 1995-11-22 2006-09-06 パイオニア株式会社 ピックアップ制御装置および情報媒体記録装置
US5673247A (en) * 1995-11-29 1997-09-30 Sharp Kabushiki Kaisha Optical pickup having two objective lenses
JPH09153229A (ja) * 1995-11-30 1997-06-10 Nec Corp 光ヘッド装置
DE19545857A1 (de) * 1995-12-08 1997-06-12 Leybold Ag Vorrichtung zum Belichten eines kreisscheibenförmigen Substrates
JP3048912B2 (ja) * 1996-02-06 2000-06-05 日本電気株式会社 光ヘッド装置
DE69731630T2 (de) * 1996-05-31 2005-12-01 Discovision Associates, Irvine System zur einstellung der punktgrösse in einem optischen aufzeichnungssystem
JP3848731B2 (ja) * 1997-04-21 2006-11-22 パイオニア株式会社 光ヘッド
WO1999052105A1 (en) * 1998-04-06 1999-10-14 Imation Corp. Reverse optical mastering for data storage disks
US20050213482A1 (en) * 2004-03-24 2005-09-29 Imation Corp. Multi-track mastering techniques
US20060073422A1 (en) * 2004-09-28 2006-04-06 Imation Corp. Portable conformable deep ultraviolet master mask
US20060110568A1 (en) * 2004-11-23 2006-05-25 Imation Corp. Multi-layers optical data storage disk masters
US7427466B2 (en) * 2004-11-29 2008-09-23 Imation Corp. Anti-reflection optical data storage disk master
US20090274020A1 (en) * 2006-11-24 2009-11-05 Nec Corporation Optical head unit and optical information recording/reproducing apparatus
JP5225005B2 (ja) * 2008-02-08 2013-07-03 三菱電機株式会社 光ピックアップ装置及び光ディスク装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2483664B1 (fr) * 1980-05-28 1985-06-28 Thomson Csf Dispositif optique d'enregistrement-lecture sur un support d'informations et systeme de memoire optique comprenant un tel dispositif
JPS6149731A (ja) * 1984-08-13 1986-03-11 Orion Mach Co Ltd 複合金属板の曲げ加工方法
NL8500153A (nl) * 1985-01-22 1986-08-18 Philips Nv Registratiedragerlichaam voorzien van een reliefstruktuur van optisch detekteerbare servospoorgedeelten en sektoradressen en inrichting voor het aanbrengen van deze struktuur.
US4712207A (en) * 1985-03-18 1987-12-08 Rca Corporation Apparatus for erasing information on a reversible optical recording medium
JPS61220173A (ja) * 1985-03-26 1986-09-30 Toshiba Corp 情報記録方法及び装置
DE3786939T2 (de) * 1986-04-02 1994-03-17 Dainippon Screen Mfg Laseraufzeichnungsvorrichtung.
US5223970A (en) * 1989-03-16 1993-06-29 Asahi Kogaku Kogyo Kabushiki Kaisha Optical axis adjusting mechanism and method for optical information recording and reproducing device, and jig therefor
US5235581A (en) * 1990-08-09 1993-08-10 Matsushita Electric Industrial Co., Ltd. Optical recording/reproducing apparatus for optical disks with various disk substrate thicknesses

Also Published As

Publication number Publication date
EP0558052A1 (de) 1993-09-01
US5381394A (en) 1995-01-10
DE69312527T2 (de) 1998-03-05
EP0558052B1 (de) 1997-07-30
JPH05242521A (ja) 1993-09-21

Similar Documents

Publication Publication Date Title
DE69326213D1 (de) Optischer Abtastkopf
DE69312527D1 (de) Optischer Abtastkopf für optisches Wiedergabegerät
DE69317731D1 (de) Optischer Abtastkopf
DE69324392T2 (de) Gerät zur Wiedergabe optischer Information
DE69420184T2 (de) Optisches Aufzeichnungs-/Wiedergabegerät
DE69516604D1 (de) Optisches Aufzeichnungs-/Wiedergabegerät
DE69433732D1 (de) Optisches Aufzeichnungs-/Wiedergabegerät
DE69224635T2 (de) Optischer prüfkopf
DE69226732D1 (de) Optisches Aufzeichnungsgerät
DE69116605D1 (de) Optischer Abtastkopf
DE69326966T2 (de) Aufzeichnungs-/Wiedergabegerät
DE69128662D1 (de) Optischer Wiedergabekopf
DE69215951D1 (de) Optischer Wiedergabekopf
DE69024739T2 (de) Optisches Aufnahme-/Wiedergabegerät
DE69511516T2 (de) Optisches Wiedergabegerät
DE69318770D1 (de) Optisches Wiedergabegerät
DE69318652T2 (de) Optimalaufzeichnungs-/-wiedergabegerät
DE69624156T2 (de) Optischer Abtaster für magnetooptisches Aufzeichnugsgerät
DE69224573T2 (de) Optisches Wiedergabegerät
DE69215828T2 (de) Optischer Abtastkopf
DK0680641T4 (da) Optisk scanningshoved
DE69120608D1 (de) Optischer Abtastkopf
DE9216220U1 (de) Optischer Abtastkopf
KR950020732U (ko) 테이프 레코더의 헤드 클리닝 장치
KR940009654U (ko) 광주사장치

Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee