FR2743660B1 - Tete a lecture optique - Google Patents

Tete a lecture optique

Info

Publication number
FR2743660B1
FR2743660B1 FR9700185A FR9700185A FR2743660B1 FR 2743660 B1 FR2743660 B1 FR 2743660B1 FR 9700185 A FR9700185 A FR 9700185A FR 9700185 A FR9700185 A FR 9700185A FR 2743660 B1 FR2743660 B1 FR 2743660B1
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
FR9700185A
Other languages
English (en)
Other versions
FR2743660A1 (fr
Inventor
Jang Hoon Yoo
Chul Woo Lee
Kyung Hwa Rim
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 FR2743660A1 publication Critical patent/FR2743660A1/fr
Application granted granted Critical
Publication of FR2743660B1 publication Critical patent/FR2743660B1/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
    • G11B7/12—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
    • 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)
  • Lenses (AREA)
  • Holo Graphy (AREA)
  • Glass Compositions (AREA)
FR9700185A 1996-01-11 1997-01-10 Tete a lecture optique Expired - Lifetime FR2743660B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960000423A KR100200873B1 (ko) 1996-01-11 1996-01-11 광 픽업 장치

Publications (2)

Publication Number Publication Date
FR2743660A1 FR2743660A1 (fr) 1997-07-18
FR2743660B1 true FR2743660B1 (fr) 1998-11-06

Family

ID=19449262

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9700185A Expired - Lifetime FR2743660B1 (fr) 1996-01-11 1997-01-10 Tete a lecture optique

Country Status (8)

Country Link
US (1) US5986993A (fr)
JP (1) JPH09198700A (fr)
KR (1) KR100200873B1 (fr)
DE (1) DE19700673C2 (fr)
FR (1) FR2743660B1 (fr)
GB (1) GB2309119B (fr)
IT (1) IT1289867B1 (fr)
NL (1) NL1004964C2 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100230253B1 (ko) * 1996-02-14 1999-11-15 윤종용 대물렌즈 장치 및 이의 제작방법 및 이를 적용한 광픽업장치
EP0874359B1 (fr) * 1997-04-21 2009-01-07 Konica Corporation Appareil de lecture optique
KR100514323B1 (ko) * 1997-12-05 2005-12-08 삼성전자주식회사 복수의광디스크를호환하는대물렌즈를구비한광픽업
CN1327423C (zh) * 1998-11-09 2007-07-18 松下电器产业株式会社 光信息处理装置和光学元件
JP2000231057A (ja) * 1999-02-10 2000-08-22 Konica Corp 対物レンズ及び光ピックアップ装置
US6829209B1 (en) 1999-06-23 2004-12-07 Matsushita Electric Industrial Co., Ltd. Objective for optical disk, optical head device and optical information recording/reproducing apparatus both comprising the same, mold for forming lens, method for machining mold for forming lens, and shape measuring instrument
JP4654500B2 (ja) * 2000-09-26 2011-03-23 ソニー株式会社 光学レンズ並びにこれを使用した光学ピックアップ装置及び光ディスク装置
US6977781B2 (en) * 2002-09-03 2005-12-20 Pentax Corporation Scanning optical system
CN1679094A (zh) * 2002-09-04 2005-10-05 皇家飞利浦电子股份有限公司 用于荧光多层存储器的扫描装置
US7042608B2 (en) * 2002-09-18 2006-05-09 Pentax Corporation Scanning optical system
US7019768B2 (en) * 2002-11-28 2006-03-28 Pentax Corporation Scanning optical system
WO2009069348A1 (fr) * 2007-11-27 2009-06-04 Mitsubishi Electric Corporation Dispositif à tête optique et système de reproduction de disque optique
CN104143495B (zh) * 2013-05-07 2017-09-01 许洋 一种质谱仪核心部件的自动控制系统

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5589924A (en) * 1978-12-27 1980-07-08 Toshiba Corp Optical information reproduction unit
JPS566038U (fr) * 1979-06-25 1981-01-20
FR2460022B1 (fr) * 1979-06-25 1987-09-11 Hitachi Ltd Systeme optique de reproduction d'informations
JPS56114136A (en) * 1980-02-15 1981-09-08 Matsushita Electric Ind Co Ltd Optical recording and reproducing device
US4349901A (en) * 1980-06-20 1982-09-14 Eastman Kodak Company Apparatus and method for reading optical discs
US4375096A (en) * 1981-03-10 1983-02-22 Rca Corporation Multi-bandwidth optical playback apparatus with elongated read spot
NL8104946A (nl) * 1981-11-02 1983-06-01 Philips Nv Inrichting voor het uitlezen en/of inschrijven van een optisch uitleesbare informatiestructuur op een registratiedrager.
US4477891A (en) * 1982-03-12 1984-10-16 Rca Corporation Multi-bandwidth optical playback apparatus having minimum baseband distortion
JPS61134942A (ja) * 1984-12-05 1986-06-23 Nec Corp 光学ヘツド
JP2955382B2 (ja) * 1990-06-15 1999-10-04 オリンパス光学工業株式会社 光学式再生装置
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
JPH05120720A (ja) * 1991-10-28 1993-05-18 Toshiba Corp 情報記録・再生装置
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
JPH0845105A (ja) * 1994-08-03 1996-02-16 Matsushita Electric Ind Co Ltd 光情報記録再生装置
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

Also Published As

Publication number Publication date
DE19700673C2 (de) 2000-09-21
NL1004964C2 (nl) 1998-02-05
NL1004964A1 (nl) 1997-07-14
US5986993A (en) 1999-11-16
GB9700058D0 (en) 1997-02-19
ITMI970015A1 (it) 1998-07-08
IT1289867B1 (it) 1998-10-19
KR100200873B1 (ko) 1999-06-15
KR970060105A (ko) 1997-08-12
GB2309119A (en) 1997-07-16
GB2309119B (en) 1998-03-18
JPH09198700A (ja) 1997-07-31
FR2743660A1 (fr) 1997-07-18
DE19700673A1 (de) 1997-07-24

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