DE69724541D1 - Optische abtastvorrichtung und optisches aufzeichnungsgerät - Google Patents

Optische abtastvorrichtung und optisches aufzeichnungsgerät

Info

Publication number
DE69724541D1
DE69724541D1 DE69724541T DE69724541T DE69724541D1 DE 69724541 D1 DE69724541 D1 DE 69724541D1 DE 69724541 T DE69724541 T DE 69724541T DE 69724541 T DE69724541 T DE 69724541T DE 69724541 D1 DE69724541 D1 DE 69724541D1
Authority
DE
Germany
Prior art keywords
optical
recorder
scanner
optical scanner
optical recorder
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
DE69724541T
Other languages
English (en)
Other versions
DE69724541T2 (de
Inventor
Shojiro Kitamura
Katsumi Mori
Takayuki Kondo
Takeo Kaneko
Toshio Arimura
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.)
Seiko Epson Corp
Original Assignee
Seiko Epson 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 Seiko Epson Corp filed Critical Seiko Epson Corp
Application granted granted Critical
Publication of DE69724541D1 publication Critical patent/DE69724541D1/de
Publication of DE69724541T2 publication Critical patent/DE69724541T2/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
    • G11B7/135—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
    • 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
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/0037—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs
    • 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
    • G11B7/123—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate
    • 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
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1381—Non-lens elements for altering the properties of the beam, e.g. knife edges, slits, filters or stops
    • 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
    • G11B7/139—Numerical aperture control means
    • 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)
DE69724541T 1996-03-11 1997-03-10 Optische abtastvorrichtung und optisches aufzeichnungsgerät Expired - Lifetime DE69724541T2 (de)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP5329396 1996-03-11
JP5329396 1996-03-11
JP7186496 1996-03-27
JP7186496 1996-03-27
JP7186796 1996-03-27
JP7186796 1996-03-27
PCT/JP1997/000744 WO1997034297A1 (fr) 1996-03-11 1997-03-10 Tete de lecture optique et appareil d'enregistrement optique

Publications (2)

Publication Number Publication Date
DE69724541D1 true DE69724541D1 (de) 2003-10-09
DE69724541T2 DE69724541T2 (de) 2004-07-29

Family

ID=27294900

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69724541T Expired - Lifetime DE69724541T2 (de) 1996-03-11 1997-03-10 Optische abtastvorrichtung und optisches aufzeichnungsgerät

Country Status (4)

Country Link
US (1) US5986996A (de)
EP (1) EP0831472B1 (de)
DE (1) DE69724541T2 (de)
WO (1) WO1997034297A1 (de)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
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US6657931B1 (en) * 1959-02-02 2003-12-02 Sony Corporation Optical disc drive for performing read/write operations on optical disks
US6832724B2 (en) * 1993-03-26 2004-12-21 Symbol Technologies, Inc. Electro-optical assembly for image projection, especially in portable instruments
KR100189910B1 (ko) * 1996-05-15 1999-06-01 윤종용 광픽업장치
JP3889104B2 (ja) * 1997-02-07 2007-03-07 シャープ株式会社 光ピックアップ装置
US20010050892A1 (en) * 1997-07-11 2001-12-13 Yoshitaka Takahashi Optical disk apparatus compatible with different types of mediums
JP3697875B2 (ja) * 1997-12-25 2005-09-21 ソニー株式会社 光学ピックアップ及び光ディスク装置
FR2774207B1 (fr) * 1998-01-27 2000-04-28 Thomson Csf Dispositif d'inscription/lecture optique d'un support d'information
JPH11271608A (ja) * 1998-03-20 1999-10-08 Pioneer Electron Corp 偏光ホログラムレンズ、光ピックアップ、情報再生装置及び情報記録装置
US6043935A (en) * 1998-07-17 2000-03-28 Hoetron, Inc. Wavelength sensitive beam combiner with aberration correction
US6072579A (en) * 1998-08-27 2000-06-06 Ricoh Company, Ltd. Optical pickup apparatus having improved holographic optical element and photodetector
EP1057176A1 (de) * 1998-12-29 2000-12-06 Koninklijke Philips Electronics N.V. Optischer abtastkopf
JP4288768B2 (ja) * 1999-07-08 2009-07-01 ソニー株式会社 集積光学素子及び光学ヘッド並びに光記録再生装置
US6975576B1 (en) * 1999-07-13 2005-12-13 Kabushiki Kaisha Toshiba Optical head device and disk drive system having first and second light sources for emitting light beams of different wavelengths
JP3659089B2 (ja) * 1999-10-25 2005-06-15 株式会社日立製作所 光ヘッド及びそれを用いた光学的情報媒体記録再生装置
JP2001126290A (ja) 1999-10-26 2001-05-11 Pioneer Electronic Corp 光ピックアップ装置
JP2001256665A (ja) * 2000-01-07 2001-09-21 Rohm Co Ltd 受発光複合素子およびそれを用いた光ピックアップ装置
TWI239002B (en) * 2000-03-10 2005-09-01 Sony Corp Optical recording/reproducing apparatus, optical head apparatus, optical disc drive apparatus, tracking control method for use therein, and optical disc
KR100618990B1 (ko) * 2000-03-23 2006-09-04 삼성전자주식회사 광픽업용 시크방향 검출 신호 생성장치
KR100618991B1 (ko) * 2000-03-28 2006-08-31 삼성전자주식회사 광픽업용 시크방향 검출신호 생성장치
US6731432B1 (en) * 2000-06-16 2004-05-04 Mem Optical, Inc. Off-axis diffractive beam shapers and splitters for reducing sensitivity to manufacturing tolerances
JP3805194B2 (ja) * 2000-12-07 2006-08-02 株式会社日立製作所 光学情報再生装置
US7782731B2 (en) * 2001-07-23 2010-08-24 Joseph Reid Henrichs Optical hard disk drive having a phase-change microhead array chip
JP3782325B2 (ja) * 2001-07-27 2006-06-07 株式会社日立製作所 ディスク駆動装置
JP2003229627A (ja) * 2002-02-01 2003-08-15 Hitachi Ltd 光デバイスの実装方法及び光ヘッド装置
WO2004034525A2 (en) * 2002-10-11 2004-04-22 Ziva Corporation Current-controlled polarization switching vertical cavity surface emitting laser
DE10330945A1 (de) * 2003-07-08 2005-02-03 Deutsche Thomson-Brandt Gmbh Optischer Abtaster mit Mikrooptik zur Strahlkombination
ATE388467T1 (de) * 2003-12-24 2008-03-15 Koninkl Philips Electronics Nv Verbessertes optisches auslesen
JP2005203011A (ja) * 2004-01-14 2005-07-28 Pioneer Electronic Corp ２波長レーザモジュール及び光ピックアップ装置
US20060114791A1 (en) * 2004-11-30 2006-06-01 Charles Marshall Ultra-high data density optical media system
JP2006179127A (ja) * 2004-12-22 2006-07-06 Toshiba Corp 光ディスク装置及びその制御方法
US7783140B2 (en) * 2005-06-09 2010-08-24 Hewlett-Packard Development Company, L.P. Optically coupled integrated circuit layers
US7502401B2 (en) * 2005-07-22 2009-03-10 Avago Technologies General Ip (Singapore) Pte. Ltd. VCSEL system with transverse P/N junction
JP2008034070A (ja) * 2006-07-31 2008-02-14 Sharp Corp 光ピックアップ装置およびその制御方法、情報記録再生装置
JP2008244431A (ja) * 2007-02-28 2008-10-09 Canon Inc 面発光レーザアレイ及びその製造方法、面発光レーザアレイを備えている画像形成装置
JP2016092319A (ja) * 2014-11-10 2016-05-23 株式会社リコー 面発光型光源およびレーザー装置
US11631962B2 (en) * 2019-05-13 2023-04-18 Ii-Vi Delaware, Inc. Light source with integrated monitor photodetector and diffuser
US11621543B2 (en) 2019-08-20 2023-04-04 Ii-Vi Delaware, Inc. Optics for laser arrays

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5968844A (ja) * 1982-10-14 1984-04-18 Matsushita Electric Ind Co Ltd 光学的可逆記録再生装置
JPH0777025B2 (ja) * 1985-10-16 1995-08-16 株式会社日立製作所 光学的記録再生装置
JPH0652582B2 (ja) * 1987-09-01 1994-07-06 株式会社日立製作所 光ヘッド
JP2572783B2 (ja) * 1987-10-09 1997-01-16 オリンパス光学工業株式会社 光学的ピックアップ装置
JPH01251439A (ja) * 1988-03-31 1989-10-06 Toshiba Corp 光源装置
JP3083834B2 (ja) * 1990-08-21 2000-09-04 オリンパス光学工業株式会社 光学ピックアップ装置
JP2532818B2 (ja) * 1993-02-01 1996-09-11 松下電器産業株式会社 対物レンズおよび光ヘッド装置
US5483511A (en) * 1993-02-17 1996-01-09 Vixel Corporation Multiple beam optical memory system with solid-state lasers
JP3309470B2 (ja) * 1993-03-10 2002-07-29 松下電器産業株式会社 光情報記録再生装置
JP2559011B2 (ja) * 1993-08-25 1996-11-27 松下電器産業株式会社 光ヘッド
JP2779126B2 (ja) * 1993-12-27 1998-07-23 松下電器産業株式会社 垂直空胴表面発光型レーザーダイオードを使用した光ピックアップヘッド装置
JP2995003B2 (ja) * 1995-05-08 1999-12-27 三洋電機株式会社 光学式再生装置

Also Published As

Publication number Publication date
EP0831472A4 (de) 1999-05-26
EP0831472A1 (de) 1998-03-25
EP0831472B1 (de) 2003-09-03
US5986996A (en) 1999-11-16
WO1997034297A1 (fr) 1997-09-18
DE69724541T2 (de) 2004-07-29

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Legal Events

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