JPH11328719A - 光ピックアップ装置とそれを利用する光記録／再生装置 - Google Patents

光ピックアップ装置とそれを利用する光記録／再生装置

Info

Publication number
JPH11328719A
JPH11328719A JP11097411A JP9741199A JPH11328719A JP H11328719 A JPH11328719 A JP H11328719A JP 11097411 A JP11097411 A JP 11097411A JP 9741199 A JP9741199 A JP 9741199A JP H11328719 A JPH11328719 A JP H11328719A
Authority
JP
Japan
Prior art keywords
optical
light beam
numerical aperture
light
pickup device
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.)
Pending
Application number
JP11097411A
Other languages
English (en)
Japanese (ja)
Inventor
Yon Kim Jin
ジン・ヨン・キム
Yun Jon Seon
セオン・ユン・ジョン
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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
Priority claimed from KR1019980011972A external-priority patent/KR100349028B1/ko
Priority claimed from KR1019980011974A external-priority patent/KR100385888B1/ko
Priority claimed from KR1019980011973A external-priority patent/KR100370495B1/ko
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of JPH11328719A publication Critical patent/JPH11328719A/ja
Pending 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
    • G11B7/1275—Two or more lasers having different wavelengths
    • 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
    • G11B7/1365—Separate or integrated refractive elements, e.g. wave plates
    • G11B7/1369—Active plates, e.g. liquid crystal panels or electrostrictive elements
    • 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
    • G11B7/139—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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • 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
JP11097411A 1998-04-04 1999-04-05 光ピックアップ装置とそれを利用する光記録／再生装置 Pending JPH11328719A (ja)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
KR11972/1998 1998-04-04
KR11974/1998 1998-04-04
KR11973/1998 1998-04-04
KR1019980011972A KR100349028B1 (ko) 1998-04-04 1998-04-04 광픽업장치및그를이용한광기록및재생장치
KR1019980011974A KR100385888B1 (ko) 1998-04-04 1998-04-04 광픽업장치및그를이용한광기록및재생장치
KR1019980011973A KR100370495B1 (ko) 1998-04-04 1998-04-04 광픽업장치및그를이용한광기록및재생장치

Publications (1)

Publication Number Publication Date
JPH11328719A true JPH11328719A (ja) 1999-11-30

Family

ID=27349708

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11097411A Pending JPH11328719A (ja) 1998-04-04 1999-04-05 光ピックアップ装置とそれを利用する光記録／再生装置

Country Status (2)

Country Link
US (3) US6449235B1 (US20030048715A1-20030313-M00002.png)
JP (1) JPH11328719A (US20030048715A1-20030313-M00002.png)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6590851B1 (en) 2000-01-14 2003-07-08 Samsung Electronics Co., Ltd. Optical pickup for recording/reproducing optical discs of multiple thicknesses
EP1369853A2 (en) * 2002-06-05 2003-12-10 Samsung Electronics Co., Ltd. Compatible optical pickup
US6678233B2 (en) 2000-04-17 2004-01-13 Samsung Electronics Co., Ltd. Objective lens and optical pickup device using the same
EP1341166A3 (en) * 2002-02-27 2005-02-09 Ricoh Company, Ltd. Optical pickup for different wavelengths
US7219359B2 (en) 2001-12-01 2007-05-15 Samsung Electronics Co., Ltd. Actuator used with an optical pickup
CN1320537C (zh) * 2003-02-26 2007-06-06 三星电子株式会社 可兼容的光拾取器
CN100399443C (zh) * 2005-01-24 2008-07-02 三星电子株式会社 光学拾取装置
US7414951B2 (en) 2001-05-29 2008-08-19 Nec Corporation Optical head device and optical recording and reproducing apparatus

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001229570A (ja) 2000-02-09 2001-08-24 Pioneer Electronic Corp 光ピックアップ装置及びレーザダイオードチップ
KR100426355B1 (ko) * 2000-06-12 2004-04-03 엘지전자 주식회사 광경로차 조절수단이 구비된 광픽업 장치
JP2003296959A (ja) * 2002-03-26 2003-10-17 Samsung Electro Mech Co Ltd 波長選択性開口制限素子と波長選択性ビームスプリッタ及びそれを備えた光ピックアップ装置
JP2004029050A (ja) * 2002-06-17 2004-01-29 Sony Corp 光記録媒体再生用対物レンズおよび光記録媒体再生装置
JP2005149689A (ja) * 2003-10-22 2005-06-09 Nec Corp 光ヘッド装置および光学式情報記録再生装置
EP1463053A3 (en) * 2003-03-25 2006-12-06 Matsushita Electric Industrial Co., Ltd. Method and apparatus for recognizing optical discs, optical disc drive, and method and apparatus for distinguishing data storage layers
US7193954B2 (en) * 2003-03-31 2007-03-20 Konica Minolta Holding, Inc. Optical pickup device and objective lens for the optical pickup device
JP4254469B2 (ja) * 2003-05-23 2009-04-15 日本ビクター株式会社 光ピックアップ装置及び光記録媒体駆動装置
KR100940205B1 (ko) * 2003-07-01 2010-02-10 삼성전자주식회사 호환형 광픽업
JP2005071462A (ja) * 2003-08-22 2005-03-17 Victor Co Of Japan Ltd 光ピックアップ装置
JP2005141892A (ja) * 2003-10-16 2005-06-02 Nec Corp 光ヘッド装置および光学式情報記録又は再生装置
JP2005166173A (ja) * 2003-12-03 2005-06-23 Konica Minolta Opto Inc 光ピックアップ装置及び光情報記録再生装置
US7564622B2 (en) * 2003-12-12 2009-07-21 Olympus Corporation Methods for implement microscopy and microscopic measurement as well as microscope and apparatus for implementing them
US7158454B2 (en) * 2003-12-17 2007-01-02 Acute Applied Technologies Inc. Optical device
DE102004011680B4 (de) * 2004-03-10 2007-08-23 Adidas International Marketing B.V. Stollenschuh
JP4576137B2 (ja) * 2004-03-19 2010-11-04 オリンパス株式会社 顕微鏡
TW200540857A (en) * 2004-05-10 2005-12-16 Konica Minolta Opto Inc Optical pickup apparatus
JP2005327395A (ja) * 2004-05-14 2005-11-24 Sony Corp 光ピックアップ及びこれを用いた記録及び／又は再生装置
JP4412085B2 (ja) * 2004-07-09 2010-02-10 ソニー株式会社 光ピックアップ装置、記録及び／又は再生装置
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
KR100603770B1 (ko) * 2005-02-03 2006-07-24 삼성전자주식회사 호환형 광픽업장치
US20060250912A1 (en) * 2005-05-09 2006-11-09 Pratt Thomas L System and method for multi-laser optical medium
US7352517B2 (en) * 2005-05-09 2008-04-01 Konica Minolta Opto, Inc. Optical pickup apparatus
JP2007142001A (ja) * 2005-11-16 2007-06-07 Denso Corp レーザ加工装置およびレーザ加工方法
DE102006015649B4 (de) 2006-04-04 2008-02-28 Adidas International Marketing B.V. Schuh
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
KR100888599B1 (ko) * 2007-03-08 2009-03-12 삼성전자주식회사 광디스크 재생 방법 및 이를 이용한 광디스크 재생 장치
CN101675474B (zh) * 2007-05-08 2011-07-20 松下电器产业株式会社 光学拾波装置、光盘装置
JP2008299960A (ja) * 2007-05-31 2008-12-11 Toshiba Corp 光ディスク装置、および光ディスク判別方法
WO2012098775A1 (ja) * 2011-01-21 2012-07-26 三菱電機株式会社 光ピックアップ装置および光ディスク装置
DE102013103539B4 (de) * 2013-04-09 2021-04-29 OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung Holografische Folie und Verfahren zur Herstellung derselben sowie Beleuchtungseinrichung und Hinterleuchtungseinrichtung

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5526338A (en) * 1995-03-10 1996-06-11 Yeda Research & Development Co. Ltd. Method and apparatus for storage and retrieval with multilayer optical disks
KR100214046B1 (ko) * 1995-03-27 1999-08-02 마츠시타 덴끼 산교 가부시키가이샤 초해상 광헤드장치
JPH08321065A (ja) 1995-05-23 1996-12-03 Hitachi Ltd 光ディスク装置
US20010048809A1 (en) * 1995-06-12 2001-12-06 Seiji Kajiyama Optical disk recording/reproduction apparatus for recording/reproducing information to/from optical disk of different standards
JPH0963103A (ja) 1995-08-22 1997-03-07 Sony Corp 光学ピックアップ
JPH09185839A (ja) 1995-08-31 1997-07-15 Sanyo Electric Co Ltd 光記録又は光再生装置
US6049518A (en) * 1995-08-31 2000-04-11 Sanyo Electric Co., Ltd. Optical disc recording/reproducing apparatus recording/reproducing information to/from optical discs according to different standards
JPH09161307A (ja) 1995-12-08 1997-06-20 Hitachi Ltd 光学ヘッドおよび光学式情報再生装置
KR100206771B1 (ko) * 1995-12-29 1999-07-01 구자홍 광픽업장치
JPH09198704A (ja) 1996-01-11 1997-07-31 Toshiba Corp 光ヘッド装置のレンズ切替機構
JP3062099B2 (ja) 1996-02-06 2000-07-10 日本電気株式会社 光ヘッド装置
US6259668B1 (en) * 1996-02-14 2001-07-10 Samsung Electronics Co., Ltd. Recording/reproducing apparatus having an optical pickup device to read from and record information to disks of different thicknesses
JPH09282699A (ja) * 1996-04-17 1997-10-31 Nec Corp ２焦点光ヘッド装置
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
US6222812B1 (en) * 1996-08-29 2001-04-24 Samsung Electronics Co., Ltd. Optical pickup using an optical phase plate
US6275461B1 (en) * 1996-08-29 2001-08-14 Samsung Electronic Co., Ltd. Optical pickup using an optical phase plate
DE69722951T2 (de) * 1996-10-31 2004-05-19 Sanyo Electric Co., Ltd., Moriguchi Optische abtastvorrichtung
US6069860A (en) * 1996-11-20 2000-05-30 Matsushita Electric Industrial Co., Ltd. Optical head with objective lens having different numerical apertures to minimize light aberration with respect to optical disks of different thicknesses
JPH10255307A (ja) * 1997-03-13 1998-09-25 Pioneer Electron Corp 多焦点光ビーム生成装置、多焦点ピックアップ及び情報再生装置
JPH10312575A (ja) * 1997-05-09 1998-11-24 Pioneer Electron Corp 光ピックアップ装置
JPH10334504A (ja) * 1997-05-29 1998-12-18 Nec Corp 光ヘッド装置
JPH112759A (ja) * 1997-06-13 1999-01-06 Pioneer Electron Corp 対物レンズ
US6343058B1 (en) * 1997-10-30 2002-01-29 Ricoh Company, Ltd. Optical pickup device applicable to two kinds of recording media with minimized deterioration of a beam spot
KR100255243B1 (ko) * 1997-11-19 2000-05-01 윤종용 광기록매체들에 호환가능한 광픽업
KR19990074812A (ko) * 1998-03-14 1999-10-05 윤종용 호환형 광픽업장치
JP3827860B2 (ja) * 1998-03-31 2006-09-27 パイオニア株式会社 対物レンズ及び光ピックアップ装置

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6590851B1 (en) 2000-01-14 2003-07-08 Samsung Electronics Co., Ltd. Optical pickup for recording/reproducing optical discs of multiple thicknesses
KR100657251B1 (ko) * 2000-01-14 2006-12-19 삼성전자주식회사 광픽업장치
US6678233B2 (en) 2000-04-17 2004-01-13 Samsung Electronics Co., Ltd. Objective lens and optical pickup device using the same
US7414951B2 (en) 2001-05-29 2008-08-19 Nec Corporation Optical head device and optical recording and reproducing apparatus
US7715296B2 (en) 2001-05-29 2010-05-11 Nec Corporation Optical head device and optical recording and reproducing apparatus
US7219359B2 (en) 2001-12-01 2007-05-15 Samsung Electronics Co., Ltd. Actuator used with an optical pickup
US7848209B2 (en) 2002-02-27 2010-12-07 Ricoh Company, Ltd. Optical pickup and optical information processing apparatus with light sources of three different wavelengths
EP1341166A3 (en) * 2002-02-27 2005-02-09 Ricoh Company, Ltd. Optical pickup for different wavelengths
US7142497B2 (en) 2002-02-27 2006-11-28 Ricoh Company, Ltd. Optical pickup and optical information processing apparatus with light sources of three different wavelengths
EP1369853A3 (en) * 2002-06-05 2004-01-21 Samsung Electronics Co., Ltd. Compatible optical pickup
EP1369853A2 (en) * 2002-06-05 2003-12-10 Samsung Electronics Co., Ltd. Compatible optical pickup
CN1320537C (zh) * 2003-02-26 2007-06-06 三星电子株式会社 可兼容的光拾取器
CN100399443C (zh) * 2005-01-24 2008-07-02 三星电子株式会社 光学拾取装置

Also Published As

Publication number Publication date
US6856587B2 (en) 2005-02-15
US20050063280A1 (en) 2005-03-24
US20030048715A1 (en) 2003-03-13
US6449235B1 (en) 2002-09-10
US7197002B2 (en) 2007-03-27

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