DE60226170D1 - Wiedergabe- oder aufzeichnungsgerät für verschiedene optische aufzeichnungsmedien - Google Patents

Wiedergabe- oder aufzeichnungsgerät für verschiedene optische aufzeichnungsmedien

Info

Publication number
DE60226170D1
DE60226170D1 DE60226170T DE60226170T DE60226170D1 DE 60226170 D1 DE60226170 D1 DE 60226170D1 DE 60226170 T DE60226170 T DE 60226170T DE 60226170 T DE60226170 T DE 60226170T DE 60226170 D1 DE60226170 D1 DE 60226170D1
Authority
DE
Germany
Prior art keywords
playing
various optical
recording device
optical recording
recording media
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
DE60226170T
Other languages
English (en)
Other versions
DE60226170T2 (de
Inventor
Juergen Kaaden
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.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
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 Licensing SAS filed Critical Thomson Licensing SAS
Publication of DE60226170D1 publication Critical patent/DE60226170D1/de
Application granted granted Critical
Publication of DE60226170T2 publication Critical patent/DE60226170T2/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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/127—Lasers; Multiple laser arrays
    • 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
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/128—Modulators
    • 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
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • 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
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
DE60226170T 2001-12-10 2002-11-27 Wiedergabe- oder aufzeichnungsgerät für verschiedene optische aufzeichnungsmedien Expired - Lifetime DE60226170T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10160378A DE10160378A1 (de) 2001-12-10 2001-12-10 Wiedergabe- oder Aufzeichnungsgerät für unterschiedliche optische Aufzeichnungsträger
DE10160378 2001-12-10
PCT/EP2002/013341 WO2003050808A1 (en) 2001-12-10 2002-11-27 Reproduction or recording apparatus for different optical recording media

Publications (2)

Publication Number Publication Date
DE60226170D1 true DE60226170D1 (de) 2008-05-29
DE60226170T2 DE60226170T2 (de) 2009-07-23

Family

ID=7708527

Family Applications (2)

Application Number Title Priority Date Filing Date
DE10160378A Withdrawn DE10160378A1 (de) 2001-12-10 2001-12-10 Wiedergabe- oder Aufzeichnungsgerät für unterschiedliche optische Aufzeichnungsträger
DE60226170T Expired - Lifetime DE60226170T2 (de) 2001-12-10 2002-11-27 Wiedergabe- oder aufzeichnungsgerät für verschiedene optische aufzeichnungsmedien

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE10160378A Withdrawn DE10160378A1 (de) 2001-12-10 2001-12-10 Wiedergabe- oder Aufzeichnungsgerät für unterschiedliche optische Aufzeichnungsträger

Country Status (9)

Country Link
US (1) US7130254B2 (de)
EP (1) EP1451815B1 (de)
JP (1) JP4158702B2 (de)
KR (1) KR100885688B1 (de)
CN (1) CN1254801C (de)
AU (1) AU2002366664A1 (de)
DE (2) DE10160378A1 (de)
TW (1) TWI260628B (de)
WO (1) WO2003050808A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10229234A1 (de) * 2002-06-28 2004-02-12 Deutsche Thomson-Brandt Gmbh Eigensicherer Pickup für Wiedergabe- oder Aufzeichnungsgeräte unterschiedlicher optischer Aufzeichnungsträger
JP4309212B2 (ja) * 2003-09-04 2009-08-05 パナソニック株式会社 レーザパワー制御装置
DE102004023167A1 (de) * 2004-05-07 2005-12-15 Deutsche Thomson-Brandt Gmbh Aufzeichnungs- oder Wiedergabegerät für optische Aufzeichnungsträger mit einem Laserdiodenschaltkreis
KR100621376B1 (ko) * 2005-05-11 2006-09-15 삼성전자주식회사 모니터링용 광검출장치 및 이를 적용한 광픽업장치
WO2009012106A1 (en) * 2007-07-13 2009-01-22 Vincent Chow System and method for the attenuation of electrical noise

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3635859A1 (de) * 1986-10-22 1988-05-05 Thomson Brandt Gmbh Verfahren und schaltungsanordnung zur automatischen einstellung der regelverstaerkung in einem regelkreis
JP2576542B2 (ja) * 1987-11-16 1997-01-29 ソニー株式会社 光記録情報再生装置
JP2887277B2 (ja) 1989-06-14 1999-04-26 富士通株式会社 レーザダイオード制御装置及び制御方法
JP2934264B2 (ja) 1989-11-02 1999-08-16 シャープ株式会社 光ピックアップ
EP0508522A3 (en) * 1991-04-08 1993-03-03 N.V. Philips' Gloeilampenfabrieken Optical recording and/or reading apparatus
JP3476879B2 (ja) * 1992-12-09 2003-12-10 パイオニア株式会社 複数の読取または記録ビームを有する光ディスク情報記録装置及び再生装置
JP2000151290A (ja) * 1998-11-05 2000-05-30 Nec Corp 初段増幅回路
DE60034829T2 (de) * 1999-01-22 2008-01-31 Konica Minolta Opto, Inc., Hachioji Optische Abtastvorrichtung zur Informationsaufzeichnung und Informationswiedergabe
JP4604304B2 (ja) * 1999-07-09 2011-01-05 ソニー株式会社 レーザ装置、光学ヘッド及び光記録再生装置
JP2001056952A (ja) * 1999-08-19 2001-02-27 Hitachi Ltd 光ヘッド装置およびその製造方法
KR100350983B1 (ko) * 2000-02-03 2002-08-28 삼성전자 주식회사 레이저 다이오드 드라이버, 이에 적합한 광기록/재생기기의 초기화 방법, 그리고 레이저 다이오드 드라이버의구동 방법
JP2001244555A (ja) 2000-03-01 2001-09-07 Pioneer Electronic Corp 自動電力制御回路
JP2001266388A (ja) 2000-03-21 2001-09-28 Matsushita Electric Ind Co Ltd レーザー駆動装置、光ヘッド装置及び光情報処理装置
US6609840B2 (en) * 2001-04-05 2003-08-26 Alan Y. Chow Wave length associative addressing system for WDM type light packet steering

Also Published As

Publication number Publication date
WO2003050808A1 (en) 2003-06-19
EP1451815B1 (de) 2008-04-16
US7130254B2 (en) 2006-10-31
KR20040054763A (ko) 2004-06-25
KR100885688B1 (ko) 2009-02-26
TWI260628B (en) 2006-08-21
US20050007810A1 (en) 2005-01-13
CN1602522A (zh) 2005-03-30
DE10160378A1 (de) 2003-06-18
EP1451815A1 (de) 2004-09-01
AU2002366664A1 (en) 2003-06-23
CN1254801C (zh) 2006-05-03
TW200300938A (en) 2003-06-16
JP2005512266A (ja) 2005-04-28
DE60226170T2 (de) 2009-07-23
JP4158702B2 (ja) 2008-10-01

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition