FR2744831B1 - Tete a lecture optique - Google Patents

Tete a lecture optique

Info

Publication number
FR2744831B1
FR2744831B1 FR9700186A FR9700186A FR2744831B1 FR 2744831 B1 FR2744831 B1 FR 2744831B1 FR 9700186 A FR9700186 A FR 9700186A FR 9700186 A FR9700186 A FR 9700186A FR 2744831 B1 FR2744831 B1 FR 2744831B1
Authority
FR
France
Prior art keywords
reading head
optical reading
optical
head
reading
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
FR9700186A
Other languages
English (en)
Other versions
FR2744831A1 (fr
Inventor
Chul Woo Lee
Jang Hoon Yoo
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.)
Samsung Electronics Co Ltd
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 FR2744831A1 publication Critical patent/FR2744831A1/fr
Application granted granted Critical
Publication of FR2744831B1 publication Critical patent/FR2744831B1/fr
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
    • G11B7/08—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
    • G11B7/1365—Separate or integrated refractive elements, e.g. wave plates
    • G11B7/1367—Stepped phase plates
    • 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
    • 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
    • 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
    • G11B2007/13727—Compound lenses, i.e. two or more lenses co-operating to perform a function, e.g. compound objective lens including a solid immersion lens, positive and negative lenses either bonded together or with adjustable spacing

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Lenses (AREA)
  • Glass Compositions (AREA)
  • Holo Graphy (AREA)
FR9700186A 1996-02-14 1997-01-10 Tete a lecture optique Expired - Lifetime FR2744831B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960003603A KR100238266B1 (ko) 1996-02-14 1996-02-14 광학장치

Publications (2)

Publication Number Publication Date
FR2744831A1 FR2744831A1 (fr) 1997-08-14
FR2744831B1 true FR2744831B1 (fr) 1999-05-07

Family

ID=19451249

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9700186A Expired - Lifetime FR2744831B1 (fr) 1996-02-14 1997-01-10 Tete a lecture optique

Country Status (8)

Country Link
US (2) US5909424A (fr)
JP (7) JP3068480B2 (fr)
KR (1) KR100238266B1 (fr)
DE (1) DE19700504C2 (fr)
FR (1) FR2744831B1 (fr)
GB (1) GB2310308B (fr)
IT (1) IT1289866B1 (fr)
NL (2) NL1004954C2 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
KR100514323B1 (ko) * 1997-12-05 2005-12-08 삼성전자주식회사 복수의광디스크를호환하는대물렌즈를구비한광픽업
KR100354534B1 (ko) 1998-03-17 2002-12-11 삼성전자 주식회사 협트랙광디스크를위한광픽업
JP4535212B2 (ja) * 1998-09-18 2010-09-01 コニカミノルタホールディングス株式会社 光情報記録媒体の記録再生用対物レンズ
DE60039644D1 (de) 1999-10-06 2008-09-04 Matsushita Electric Ind Co Ltd Linse, optischer Kopf, optisches Informationsaufzeichnungs-/Wiedergabegerät sowie optisches Informationsaufzeichnungs-/Wiedergabeverfahren
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
JP2002092934A (ja) 2000-07-08 2002-03-29 Samsung Electronics Co Ltd 単一光源を採用した互換型光ピックアップ装置
KR100754158B1 (ko) 2000-12-08 2007-09-03 삼성전자주식회사 구면수차 검출 및/또는 보정 가능한 광픽업장치
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
KR100509493B1 (ko) * 2003-02-26 2005-08-22 삼성전자주식회사 호환형 광픽업
KR101312633B1 (ko) * 2007-04-04 2013-10-04 삼성전자주식회사 홀로그램소자, 이를 적용한 호환형 광픽업 및광정보저장매체 시스템
JP5393020B2 (ja) * 2007-04-26 2014-01-22 株式会社リコー 光ピックアップおよび光情報処理装置

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6273429A (ja) * 1985-09-26 1987-04-04 Toshiba Corp 光学式ピツクアツプの位置検出装置
NL9000135A (nl) * 1989-01-30 1990-08-16 Seiko Epson Corp Focusseermechanisme en optische kop.
US5235581A (en) * 1990-08-09 1993-08-10 Matsushita Electric Industrial Co., Ltd. Optical recording/reproducing apparatus for optical disks with various disk substrate thicknesses
JP3266627B2 (ja) * 1991-10-11 2002-03-18 株式会社日立製作所 情報再生装置
US5349592A (en) * 1992-02-27 1994-09-20 Kabushiki Kaisha Toshiba Super-resolution optical element for use in image forming apparatus
JP3200171B2 (ja) * 1992-06-10 2001-08-20 パイオニア株式会社 光ディスクプレーヤ
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
JP3435249B2 (ja) * 1994-03-11 2003-08-11 株式会社東芝 光学ヘッド装置およびレンズ
JPH08248307A (ja) * 1995-03-10 1996-09-27 Sony Corp 対物レンズ、光ヘッド装置及び光ディスク再生装置
PT806039E (pt) * 1995-08-30 2002-10-31 Samsung Electronics Co Ltd Dispositivo de lente e aparelho de captacao optica que usa esse dispositivo
KR100234257B1 (ko) * 1995-08-30 1999-12-15 윤종용 대물렌즈 장치 및 안정된 포커스 서보 신호를 얻는방법 및 이를 적용한 광픽업 장치 및 두께가 다른 디스크를 판별하는 방법 및 두께가 다른 디스크로부터 정보를 재생하고 기록하는 방법
US5587981A (en) * 1995-09-05 1996-12-24 Kamatani; Yasuo Multi-standard optical disk reading method having distinction process
US5724335A (en) * 1995-10-25 1998-03-03 Konica Corporation Objective lens for recording and reproducing for use in an optical information recording medium
US5966362A (en) * 1995-11-02 1999-10-12 Konica Corporation Optical system for recording and reproducing for use in optical information recording medium
KR0179138B1 (ko) * 1995-12-01 1999-04-15 구자홍 대물렌즈
KR100269105B1 (ko) * 1995-12-07 2000-10-16 윤종용 두께가다른디스크의호환이가능한기록재생용광픽업
JP2806422B2 (ja) * 1996-01-19 1998-09-30 日本電気株式会社 光ディスク用集光レンズ
JPH09320136A (ja) * 1996-03-26 1997-12-12 Sanyo Electric Co Ltd 情報記録再生装置
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

Also Published As

Publication number Publication date
US6147955A (en) 2000-11-14
NL1004954A1 (nl) 1997-08-15
DE19700504C2 (de) 2002-05-16
JP2003050347A (ja) 2003-02-21
NL1009796C2 (nl) 1999-05-19
JP2003178483A (ja) 2003-06-27
JPH11339298A (ja) 1999-12-10
FR2744831A1 (fr) 1997-08-14
JP2003051135A (ja) 2003-02-21
ITMI970014A1 (it) 1998-07-08
NL1009796A1 (nl) 1998-09-01
JPH09219035A (ja) 1997-08-19
GB9700072D0 (en) 1997-02-19
US5909424A (en) 1999-06-01
NL1004954C2 (nl) 1998-12-10
DE19700504A1 (de) 1997-08-21
KR970063070A (ko) 1997-09-12
GB2310308B (en) 1998-02-04
JP3068480B2 (ja) 2000-07-24
JP2001236687A (ja) 2001-08-31
GB2310308A (en) 1997-08-20
JP2001236686A (ja) 2001-08-31
IT1289866B1 (it) 1998-10-19
KR100238266B1 (ko) 2000-02-01

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