SG54568A1 - Device for reading from or writing to an optical recording medium - Google Patents

Device for reading from or writing to an optical recording medium

Info

Publication number
SG54568A1
SG54568A1 SG1997003492A SG1997003492A SG54568A1 SG 54568 A1 SG54568 A1 SG 54568A1 SG 1997003492 A SG1997003492 A SG 1997003492A SG 1997003492 A SG1997003492 A SG 1997003492A SG 54568 A1 SG54568 A1 SG 54568A1
Authority
SG
Singapore
Prior art keywords
writing
reading
recording medium
optical recording
optical
Prior art date
Application number
SG1997003492A
Other languages
English (en)
Inventor
Richter Hartmut
Original Assignee
Thomson Brandt Gmbh
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 Brandt Gmbh filed Critical Thomson Brandt Gmbh
Publication of SG54568A1 publication Critical patent/SG54568A1/en

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
    • G11B7/123—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
    • 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
    • G11B7/1372—Lenses
    • G11B7/1376—Collimator lenses
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
    • 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
    • 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
    • G11B2007/0009—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage
    • G11B2007/0013—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage for carriers having multiple discrete layers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20—Smart grids as enabling technology in buildings sector

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Optical Head (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Optical Recording Or Reproduction (AREA)
SG1997003492A 1996-10-21 1997-09-22 Device for reading from or writing to an optical recording medium SG54568A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19643105A DE19643105A1 (de) 1996-10-21 1996-10-21 Gerät zum Lesen oder Beschreiben eines optischen Aufzeichnungsträgers

Publications (1)

Publication Number Publication Date
SG54568A1 true SG54568A1 (en) 1998-11-16

Family

ID=7809160

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1997003492A SG54568A1 (en) 1996-10-21 1997-09-22 Device for reading from or writing to an optical recording medium

Country Status (10)

Country Link
US (1) US5905708A (ja)
EP (1) EP0837455B1 (ja)
JP (1) JP4258029B2 (ja)
KR (2) KR100595412B1 (ja)
CN (2) CN1632868A (ja)
DE (2) DE19643105A1 (ja)
HK (1) HK1008605A1 (ja)
ID (1) ID18591A (ja)
MY (1) MY115700A (ja)
SG (1) SG54568A1 (ja)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19643105A1 (de) * 1996-10-21 1998-04-23 Thomson Brandt Gmbh Gerät zum Lesen oder Beschreiben eines optischen Aufzeichnungsträgers
KR100268486B1 (ko) * 1997-11-01 2000-10-16 윤종용 광디스크기록및재생방법과그장치
US6377536B1 (en) * 1997-12-22 2002-04-23 Lg Electronics Inc. Optical pick-up apparatus
JP3605279B2 (ja) * 1998-02-25 2004-12-22 パイオニア株式会社 光学式ピックアップ
KR100269244B1 (ko) * 1998-05-28 2000-12-01 정선종 복굴절 물질로 만들어진 투과형 광학부품을 사용한 리소그래피장비용 광학계의 초점심도 확장 방법 및 장치
DE19859035A1 (de) 1998-12-21 2000-06-29 Thomson Brandt Gmbh Gerät zum Lesen oder Schreiben optischer Aufzeichnungsträger mit unterschiedlichen Informationsträgerschichten
KR100378601B1 (ko) * 2000-01-27 2003-03-31 한국전자통신연구원 다중 광 기록 장치
KR100426355B1 (ko) * 2000-06-12 2004-04-03 엘지전자 주식회사 광경로차 조절수단이 구비된 광픽업 장치
KR20040062673A (ko) * 2001-12-12 2004-07-07 코닌클리케 필립스 일렉트로닉스 엔.브이. 광학주사장치
US7061853B2 (en) * 2001-12-18 2006-06-13 Discovision Associates High-density optical pickup for rotating media
KR20050060093A (ko) * 2002-10-15 2005-06-21 코닌클리케 필립스 일렉트로닉스 엔.브이. 광학주사장치
US20060154550A1 (en) * 2002-10-16 2006-07-13 Nellissen Antonius J M Method for manufacturing a light emitting display
JP2004171644A (ja) * 2002-11-19 2004-06-17 Pioneer Electronic Corp 光ピックアップ
EP1676269A2 (en) * 2003-10-15 2006-07-05 Koninklijke Philips Electronics N.V. An optical data reading/writing device having separated read and write beams
JP2006134492A (ja) * 2004-11-08 2006-05-25 Fujinon Corp 光記録媒体用対物光学系およびこれを用いた光ピックアップ装置
US7402773B2 (en) * 2005-05-24 2008-07-22 Disco Corporation Laser beam processing machine
JP2006338782A (ja) * 2005-06-02 2006-12-14 Ricoh Co Ltd 光ピックアップ装置と情報記録再生装置
HU0501203D0 (en) * 2005-12-23 2006-02-28 Lako Sandor Dezsoe Dr Method and device for storing and reading-out information
EP1949372A2 (en) * 2005-11-11 2008-07-30 Koninklijke Philips Electronics N.V. System and method for positioning an information carrier in a scanning apparatus
JP2009059391A (ja) * 2005-12-19 2009-03-19 Pioneer Electronic Corp 光ピックアップ装置
US8180950B2 (en) * 2007-06-15 2012-05-15 International Business Machines Corporation Apparatus and method to manage information using an optical and holographic data storage medium
US11874144B2 (en) * 2020-07-28 2024-01-16 Li Lin Displacement measurement system

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2323160A1 (fr) * 1975-09-03 1977-04-01 Thomson Brandt Dispositif optique de projection et lecteur optique comportant un tel dispositif
FR2330027A1 (fr) * 1975-10-28 1977-05-27 Thomson Brandt Dispositif de focalisation a vergence variable et lecteur optique comportant un tel dispositif
JPS601633A (ja) * 1983-06-20 1985-01-07 Victor Co Of Japan Ltd 情報信号再生装置
JPS61160714A (ja) * 1985-01-09 1986-07-21 Canon Inc 焦点距離可変レンズ
JPS6242343A (ja) * 1985-07-23 1987-02-24 Nippon Columbia Co Ltd 光デイスク及びその再生装置
JPS63146244A (ja) * 1986-12-10 1988-06-18 Hitachi Ltd 波長多重光記録装置
JPH02308431A (ja) * 1989-05-22 1990-12-21 Pioneer Electron Corp 多層光ディスク用ピックアップ装置
JP2846342B2 (ja) * 1989-06-07 1999-01-13 株式会社日立製作所 高密度光再生装置
US5278816A (en) * 1989-09-22 1994-01-11 Russell James T Recording/reproducing system using wavelength/depth selective optical storage medium
DE4026875A1 (de) * 1990-08-25 1992-02-27 Thomson Brandt Gmbh Optische abtastvorrichtung
JPH04132032A (ja) * 1990-09-20 1992-05-06 Ricoh Co Ltd 光ピックアップ及び光情報記録媒体
US5251198A (en) * 1992-05-29 1993-10-05 Strickler James H Reading device for multi-layered optical information carrier
KR950015234A (ko) * 1993-11-29 1995-06-16 배순훈 광픽업 장치
KR950020461A (ko) * 1993-12-22 1995-07-24 김광호 광디스크 기록 및 재생장치
KR0171077B1 (ko) * 1994-05-13 1999-04-15 배순훈 서로 다른 편광을 순차적으로 각각 발생시켜 한쪽면에 복수개의 기록층을 가지는 광디스크를 기록/재생하는 광 픽업 시스템
KR0134276B1 (ko) * 1994-10-26 1998-04-20 배순훈 한쪽면에 복수개의 기록층을 형성한 광 디스크용 광 픽업 시스템
KR100200837B1 (ko) * 1995-01-24 1999-06-15 윤종용 다층 기록막을 갖는 광디스크를 위한 광픽업
US5671207A (en) * 1995-02-23 1997-09-23 Lg Electronics, Inc. Optical pickup apparatus for performing multi-focusing
JP3471960B2 (ja) * 1995-03-15 2003-12-02 パイオニア株式会社 ピックアップ装置
JP3476989B2 (ja) * 1995-08-04 2003-12-10 パイオニア株式会社 光ピックアップ
JP2877044B2 (ja) * 1995-09-29 1999-03-31 日本電気株式会社 光ヘッド装置
JPH09153228A (ja) * 1995-11-30 1997-06-10 Sankyo Seiki Mfg Co Ltd 光ピックアップ装置
JPH09259461A (ja) * 1996-03-22 1997-10-03 Sanyo Electric Co Ltd 光ピックアップ
US5659533A (en) * 1996-07-23 1997-08-19 Sampo Corporation Method of using a single pick-up head to read and store data on discs of different thicknesses and structure of a pick-up head apparatus therefor
DE19643105A1 (de) * 1996-10-21 1998-04-23 Thomson Brandt Gmbh Gerät zum Lesen oder Beschreiben eines optischen Aufzeichnungsträgers

Also Published As

Publication number Publication date
MY115700A (en) 2003-08-30
CN1189876C (zh) 2005-02-16
ID18591A (id) 1998-04-23
CN1632868A (zh) 2005-06-29
US5905708A (en) 1999-05-18
EP0837455A2 (en) 1998-04-22
KR100598645B1 (ko) 2006-07-07
CN1180890A (zh) 1998-05-06
JPH10134408A (ja) 1998-05-22
DE69727186D1 (de) 2004-02-19
KR100595412B1 (ko) 2006-09-22
KR19980032801A (ko) 1998-07-25
DE69727186T2 (de) 2004-06-03
HK1008605A1 (en) 1999-05-14
EP0837455B1 (en) 2004-01-14
DE19643105A1 (de) 1998-04-23
EP0837455A3 (en) 1998-08-12
JP4258029B2 (ja) 2009-04-30

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