HK1043838A1 - Objective lens for optical pickup apparatus. - Google Patents

Objective lens for optical pickup apparatus.

Info

Publication number
HK1043838A1
HK1043838A1 HK02105557A HK02105557A HK1043838A1 HK 1043838 A1 HK1043838 A1 HK 1043838A1 HK 02105557 A HK02105557 A HK 02105557A HK 02105557 A HK02105557 A HK 02105557A HK 1043838 A1 HK1043838 A1 HK 1043838A1
Authority
HK
Hong Kong
Prior art keywords
objective lens
optical pickup
pickup apparatus
optical
objective
Prior art date
Application number
HK02105557A
Other languages
English (en)
Inventor
Jang Hoon Yoo
Chul Woo Lee
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of HK1043838A1 publication Critical patent/HK1043838A1/xx

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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • 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
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/32—Holograms used as optical 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
    • G11B7/125—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
    • G11B7/1372—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
    • 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)
  • General Physics & Mathematics (AREA)
  • Optical Head (AREA)
HK02105557A 1997-03-28 1998-12-30 Objective lens for optical pickup apparatus. HK1043838A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019970011297A KR100209918B1 (ko) 1997-03-28 1997-03-28 홀로그램형링렌즈를 사용하여 cd-r과 호환하는 dvd용 광픽업

Publications (1)

Publication Number Publication Date
HK1043838A1 true HK1043838A1 (en) 2002-09-27

Family

ID=19501234

Family Applications (3)

Application Number Title Priority Date Filing Date
HK02105557A HK1043838A1 (en) 1997-03-28 1998-12-30 Objective lens for optical pickup apparatus.
HK98119197A HK1015062A1 (en) 1997-03-28 1998-12-30 Optical pickup apparatus compatible with a digital versatile disk
HK01103084A HK1032474A1 (en) 1997-03-28 2001-05-02 Optical pickup compatible with a digital versatiledisk and a recordable compact disk using a hologr aphic ring lens.

Family Applications After (2)

Application Number Title Priority Date Filing Date
HK98119197A HK1015062A1 (en) 1997-03-28 1998-12-30 Optical pickup apparatus compatible with a digital versatile disk
HK01103084A HK1032474A1 (en) 1997-03-28 2001-05-02 Optical pickup compatible with a digital versatiledisk and a recordable compact disk using a hologr aphic ring lens.

Country Status (6)

Country Link
US (1) US6043912A (zh)
JP (1) JP3224367B2 (zh)
KR (1) KR100209918B1 (zh)
CN (20) CN1156718C (zh)
HK (3) HK1043838A1 (zh)
NL (1) NL1008739C2 (zh)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6304540B1 (en) 1998-03-30 2001-10-16 Samsung Electronics Co., Ltd. Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens
US6088322A (en) * 1998-05-07 2000-07-11 Broome; Barry G. Single objective lens for use with CD or DVD optical disks
US6359845B1 (en) * 1998-08-04 2002-03-19 Lg Electronics Inc. Optical pickup apparatus
US6545958B1 (en) * 1998-08-31 2003-04-08 Ricoh Company, Ltd. Optical-pickup device and tilt-detecting method thereof
KR100604788B1 (ko) 1998-10-23 2006-07-26 삼성전자주식회사 호환형 광픽업장치
ATE216119T1 (de) 1999-01-22 2002-04-15 Konishiroku Photo Ind Optische abtastvorrichtung und verfahren zur informationsaufzeichnung und informationswiedergabe
JP2000260049A (ja) 1999-03-08 2000-09-22 Asahi Optical Co Ltd 光ディスク装置の光学系
JP2000311379A (ja) * 1999-04-23 2000-11-07 Asahi Optical Co Ltd 光ディスク装置
JP4060007B2 (ja) 1999-04-23 2008-03-12 ペンタックス株式会社 光ディスク装置の光学系
EP1515319B1 (en) * 1999-10-06 2008-07-23 Matsushita Electric Industrial Co., Ltd. Lens, optical head, optical information writing/reading apparatus and optical information recording medium writing/reading method
KR100644580B1 (ko) * 1999-10-30 2006-11-13 삼성전자주식회사 광픽업장치
CN1172299C (zh) * 1999-10-30 2004-10-20 三星电子株式会社 光学头
US6594222B2 (en) 1999-12-28 2003-07-15 Pentax Corporation Objective lens for optical pick-up
JP3603002B2 (ja) * 2000-03-10 2004-12-15 株式会社三協精機製作所 光ピックアップ装置およびその受光方法
TW490589B (en) 2000-05-24 2002-06-11 Konishiroku Photo Ind Optical pickup apparatus, objective lens, apparatus for reproducing and/or recording optical information recording medium
US7116627B2 (en) * 2000-07-08 2006-10-03 Samsung Electronics Co., Ltd. Compatible optical pickup device using a single light source
TW513718B (en) * 2000-07-08 2002-12-11 Samsung Electronics Co Ltd Compatible optical pickup device adopting single light source
JP4070941B2 (ja) * 2000-08-04 2008-04-02 ペンタックス株式会社 光ヘッド用対物レンズ
DE60110703T2 (de) * 2000-08-09 2006-05-04 Ricoh Co., Ltd. Optisches Abtastgerät mit einer verbesserten holographischen Einheit und optisches Plattengerät dies enthaltend
TW546488B (en) * 2000-09-27 2003-08-11 Pentax Corp Optical system for optical pickup head
JP3827278B2 (ja) * 2000-10-10 2006-09-27 フジノン株式会社 光記録媒体用対物レンズおよびこれを用いた光ピックアップ装置
US6882665B2 (en) * 2000-10-10 2005-04-19 Fuji Photo Film Co., Ltd. Light wavelength converting module
WO2002082437A1 (en) * 2001-04-05 2002-10-17 Koninklijke Philips Electronics N.V. Optical scanning device
US6807139B2 (en) * 2001-04-12 2004-10-19 Konica Corporation Objective lens and optical pickup apparatus
KR100468962B1 (ko) * 2001-09-13 2005-01-29 엘지전자 주식회사 이종 기록매체 호환 광픽업 장치
JP2003322793A (ja) * 2002-05-08 2003-11-14 Pentax Corp 光ヘッド用対物レンズ
KR20030093683A (ko) * 2002-06-05 2003-12-11 삼성전자주식회사 호환형 광픽업
US6822800B2 (en) * 2002-06-10 2004-11-23 Pentax Corporation Objective lens for optical pickup
US7292324B2 (en) * 2002-10-23 2007-11-06 Koninklijke Philips Electronics N.V. Spherical aberration detection
KR100509493B1 (ko) * 2003-02-26 2005-08-22 삼성전자주식회사 호환형 광픽업
CN100407313C (zh) * 2003-04-25 2008-07-30 宾得株式会社 光学拾波器的光学系统
JP2005018897A (ja) * 2003-06-25 2005-01-20 Toshiba Corp 光学ヘッド及び光ディスクドライブ
KR100546351B1 (ko) * 2003-07-25 2006-01-26 삼성전자주식회사 호환형 광픽업 및 이를 채용한 광 기록 및/또는 재생기기
JP4321217B2 (ja) * 2003-10-31 2009-08-26 コニカミノルタオプト株式会社 光学素子及び光ピックアップ装置
CN100346409C (zh) * 2004-05-14 2007-10-31 索尼株式会社 光头和光盘装置
CN100474002C (zh) * 2004-05-25 2009-04-01 柯尼卡美能达精密光学株式会社 物镜光学元件和光检测装置
KR100737859B1 (ko) * 2005-06-07 2007-07-12 삼성전자주식회사 광 기록/재생장치
JP4379402B2 (ja) * 2005-09-16 2009-12-09 ソニー株式会社 ホログラム記録再生装置および記録再生用光学装置
KR20070103877A (ko) * 2006-04-20 2007-10-25 삼성전자주식회사 고효율 호환 광픽업 장치 및 이를 채용한 광 기록 또는 재생 장치
US20080019232A1 (en) * 2006-07-21 2008-01-24 Samsung Electronics Co., Ltd. Object lens and optical pick-up device having the same
US20080031118A1 (en) * 2006-08-01 2008-02-07 Samsung Electronics Co., Ltd. Combined hologram optical element, compatible optical pickup and optical information storage medium system employing the same
US7978568B2 (en) * 2006-12-08 2011-07-12 Panasonic Corporation Optical head, diffraction device, objective lens, and optical disc apparatus
KR101312633B1 (ko) * 2007-04-04 2013-10-04 삼성전자주식회사 홀로그램소자, 이를 적용한 호환형 광픽업 및광정보저장매체 시스템
JP5647547B2 (ja) * 2010-03-19 2014-12-24 Hoya株式会社 光情報記録再生装置用対物光学系、及び光情報記録再生装置
KR20130024008A (ko) * 2011-08-30 2013-03-08 삼성전자주식회사 광픽업용 대물렌즈 및 그를 구비한 광픽업 장치
CN102661853B (zh) * 2012-05-08 2014-03-26 北京理工大学 共焦系统球差测量方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5156943A (en) * 1987-10-25 1992-10-20 Whitney Theodore R High resolution imagery systems and methods
US5281797A (en) * 1991-12-26 1994-01-25 Hitachi, Ltd. Short wavelength optical disk head having a changeable aperture
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
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
JP3240846B2 (ja) * 1994-08-12 2001-12-25 松下電器産業株式会社 光ヘッド
EP0747893B1 (en) * 1995-06-05 2003-05-02 Nec Corporation Optical head apparatus for different types of disks
US5717674A (en) * 1995-06-30 1998-02-10 Sanyo Electrics Co., Ltd. Three-beam generating diffraction grating, transmission type holographic optical element and optical pickup apparatus using the same
JP3062099B2 (ja) * 1996-02-06 2000-07-10 日本電気株式会社 光ヘッド装置
JP3677342B2 (ja) * 1996-02-23 2005-07-27 松下電器産業株式会社 光ヘッド装置および光ディスク装置
JPH09282699A (ja) * 1996-04-17 1997-10-31 Nec Corp ２焦点光ヘッド装置
EP1103958A3 (en) * 1996-10-23 2004-10-06 Konica Corporation Method for recording/reproducing optical information recording medium, optical pickup apparatus

Also Published As

Publication number Publication date
CN1178216C (zh) 2004-12-01
CN1347094A (zh) 2002-05-01
CN1139925C (zh) 2004-02-25
CN1252702C (zh) 2006-04-19
CN1218306C (zh) 2005-09-07
CN1195297C (zh) 2005-03-30
CN1347102A (zh) 2002-05-01
CN1347097A (zh) 2002-05-01
CN1236436C (zh) 2006-01-11
CN1347103A (zh) 2002-05-01
CN1148595C (zh) 2004-05-05
CN1201304C (zh) 2005-05-11
CN1148594C (zh) 2004-05-05
CN1339711A (zh) 2002-03-13
HK1015062A1 (en) 1999-10-08
CN1339712A (zh) 2002-03-13
KR100209918B1 (ko) 1999-07-15
CN1347092A (zh) 2002-05-01
CN1206639C (zh) 2005-06-15
US6043912A (en) 2000-03-28
NL1008739C2 (nl) 2000-08-08
CN1199219A (zh) 1998-11-18
CN1186668C (zh) 2005-01-26
CN1347091A (zh) 2002-05-01
CN1222938C (zh) 2005-10-12
CN1339709A (zh) 2002-03-13
CN1214373C (zh) 2005-08-10
CN1156718C (zh) 2004-07-07
HK1032474A1 (en) 2001-07-20
CN1191576C (zh) 2005-03-02
CN1347101A (zh) 2002-05-01
KR19980075159A (ko) 1998-11-16
CN1367484A (zh) 2002-09-04
CN1197065C (zh) 2005-04-13
CN1347090A (zh) 2002-05-01
CN1339714A (zh) 2002-03-13
JP3224367B2 (ja) 2001-10-29
CN1218303C (zh) 2005-09-07
CN1209759C (zh) 2005-07-06
JPH10283668A (ja) 1998-10-23
CN1339713A (zh) 2002-03-13
CN1218305C (zh) 2005-09-07
CN1347096A (zh) 2002-05-01
CN1339710A (zh) 2002-03-13
CN1279470A (zh) 2001-01-10
CN1347095A (zh) 2002-05-01
NL1008739A1 (nl) 1998-09-29
CN1347093A (zh) 2002-05-01

Similar Documents

Publication Publication Date Title
HK1043838A1 (en) Objective lens for optical pickup apparatus.
HK1032473A1 (en) Optical pickup.
GB2310310B (en) Objective lens device,optical pickup adopting the same and method for manufacturing an objective lens
HK1024774A1 (en) Optical pickup apparatus
EP0749119A3 (en) Optical reading device
GB2310308B (en) Optical pickup device
GB2309119B (en) Optical pickup device
GB2314197B (en) Optical pickup
EP0676750A3 (en) Optical transducer system.
GB9618238D0 (en) Multiple focus optical pickup system
SG73658A1 (en) Optical lens and optical pickup and optical disc apparatus using such lens
SG52983A1 (en) Optical pickup
GB2308489B (en) Dual focusing optical pickup device
SG45521A1 (en) Optical pick-up apparatus having two objective lens
HK1043870A1 (en) Objective lens for optical pickup apparatus.
GB2315909B (en) Optical pickup
GB2326016B (en) Optical pickup
KR980004946U (ko) 광픽업용 대물렌즈 구동장치
SG71677A1 (en) Optical pickup

Legal Events

Date Code Title Description
PF Patent in force
PE Patent expired

Effective date: 20180327