DE60209597D1 - Informationsaufzeichnungs-/ -Wiedergabegerät - Google Patents

Informationsaufzeichnungs-/ -Wiedergabegerät

Info

Publication number
DE60209597D1
DE60209597D1 DE60209597T DE60209597T DE60209597D1 DE 60209597 D1 DE60209597 D1 DE 60209597D1 DE 60209597 T DE60209597 T DE 60209597T DE 60209597 T DE60209597 T DE 60209597T DE 60209597 D1 DE60209597 D1 DE 60209597D1
Authority
DE
Germany
Prior art keywords
information recording
reproducing apparatus
reproducing
recording
information
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
DE60209597T
Other languages
English (en)
Other versions
DE60209597T2 (de
Inventor
Shinichi Nagahara
Ryo Sato
Ko Ishii
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 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 Corp filed Critical Pioneer Corp
Publication of DE60209597D1 publication Critical patent/DE60209597D1/de
Application granted granted Critical
Publication of DE60209597T2 publication Critical patent/DE60209597T2/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
    • G11B7/13—Optical detectors therefor
    • G11B7/131—Arrangement of detectors in a multiple array
    • 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
    • G11B7/0903—Multi-beam tracking systems
    • 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
    • G11B7/1353—Diffractive elements, e.g. holograms or gratings

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Head (AREA)
DE60209597T 2001-07-31 2002-07-30 Informationsaufzeichnungs-/Wiedergabegerät Expired - Fee Related DE60209597T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001232820 2001-07-31
JP2001232820A JP2003045051A (ja) 2001-07-31 2001-07-31 情報記録再生装置

Publications (2)

Publication Number Publication Date
DE60209597D1 true DE60209597D1 (de) 2006-05-04
DE60209597T2 DE60209597T2 (de) 2006-12-21

Family

ID=19064675

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60209597T Expired - Fee Related DE60209597T2 (de) 2001-07-31 2002-07-30 Informationsaufzeichnungs-/Wiedergabegerät

Country Status (4)

Country Link
US (1) US6980496B2 (de)
EP (1) EP1286343B1 (de)
JP (1) JP2003045051A (de)
DE (1) DE60209597T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003016666A (ja) * 2001-04-24 2003-01-17 Sony Corp 光学ピックアップ装置、光ディスク装置およびトラッキング制御方法
US7116613B2 (en) * 2003-05-22 2006-10-03 Palo Alto Research Center Incorporated Optical beam position active sensing and control using satellite beams
KR100933291B1 (ko) * 2003-09-20 2009-12-22 삼성전자주식회사 2파장 레이저 다이오드의 사용을 위한 광검출기
US7626900B2 (en) 2003-09-24 2009-12-01 Sony Corporation Optical pickup and disk drive apparatus
KR100951881B1 (ko) * 2003-11-17 2010-04-12 삼성전자주식회사 호환형 광픽업장치
TWI303061B (en) * 2004-02-19 2008-11-11 Mediatek Inc Optical pickup capable of reducing signal distortion and signal processing method thereof
US7593306B2 (en) 2004-11-18 2009-09-22 Samsung Electronics Co., Ltd. Diffraction element and optical pick-up apparatus having the same
WO2011141393A1 (en) * 2010-05-11 2011-11-17 Thomson Licensing Apparatus comprising a pickup providing multiple beams
JP2013012272A (ja) * 2011-06-29 2013-01-17 Hitachi Media Electoronics Co Ltd 光ピックアップ装置、光ディスク装置、および情報記録方法
US9917645B2 (en) * 2016-05-25 2018-03-13 Google Llc Phase sensitive beam tracking

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8601876A (nl) * 1986-07-18 1988-02-16 Philips Nv Inrichting voor het aftasten van een optische registratiedrager.
JPH01125732A (ja) * 1987-10-23 1989-05-18 Nippon Conlux Co Ltd 情報の記録再生方法および装置
JPH05325216A (ja) * 1992-05-19 1993-12-10 Sony Corp トラッキング制御装置および光磁気ディスク装置
US5412631A (en) * 1992-07-10 1995-05-02 Matsushita Electric Industrial Co., Ltd. Optical head apparatus for storing, reading or erasing information, and optical information reproducing method and optical information apparatus for optically reading information stored in an optical memory
JP2934684B2 (ja) * 1993-09-10 1999-08-16 株式会社日本コンラックス 光学式情報記録再生システム及び該システムにおけるトラッキング制御装置
JPH07105549A (ja) * 1993-09-30 1995-04-21 Canon Inc 光学的情報記録再生方法及び光学的情報記録再生装置
JPH0863749A (ja) * 1994-08-26 1996-03-08 Nippon Conlux Co Ltd 光学的情報記録装置および方法
US5828643A (en) * 1995-06-20 1998-10-27 Sankyo Seiki Mfg. Co., Ltd. Optical pickup head apparatus
JPH0991721A (ja) * 1995-09-29 1997-04-04 Nec Corp トラック誤差検出装置
JPH10149564A (ja) * 1996-11-15 1998-06-02 Teac Corp 光ピックアップ装置及びトラッキングエラー検出方法
TW444201B (en) * 1998-02-16 2001-07-01 Hitachi Ltd Optical head
JP4001196B2 (ja) * 1999-10-12 2007-10-31 パイオニア株式会社 情報記録装置及び情報再生装置
JP3988343B2 (ja) * 1999-12-28 2007-10-10 ソニー株式会社 光学ピックアップ装置、光ディスク装置及びトラック判別信号検出方法
DE10062079A1 (de) * 2000-12-13 2002-06-27 Thomson Brandt Gmbh Verfahren zum Spurzählen und entsprechendes Gerät zum Lesen und/oder Beschreiben eines optischen Aufzeichnungsträgers
JP2002216372A (ja) * 2001-01-23 2002-08-02 Pioneer Electronic Corp 光ピックアップ装置
KR100408401B1 (ko) * 2001-02-23 2003-12-06 삼성전자주식회사 광 기록/재생기기 및 트랙킹 에러신호 검출방법

Also Published As

Publication number Publication date
EP1286343A3 (de) 2004-01-28
US20030026179A1 (en) 2003-02-06
JP2003045051A (ja) 2003-02-14
EP1286343A2 (de) 2003-02-26
US6980496B2 (en) 2005-12-27
DE60209597T2 (de) 2006-12-21
EP1286343B1 (de) 2006-03-08

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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
8339 Ceased/non-payment of the annual fee