CN1053283C - 使用多透镜支座的光拾取装置 - Google Patents

使用多透镜支座的光拾取装置 Download PDF

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Publication number
CN1053283C
CN1053283C CN94120477A CN94120477A CN1053283C CN 1053283 C CN1053283 C CN 1053283C CN 94120477 A CN94120477 A CN 94120477A CN 94120477 A CN94120477 A CN 94120477A CN 1053283 C CN1053283 C CN 1053283C
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CN
China
Prior art keywords
lens
optical
objective lens
base member
light
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 - Fee Related
Application number
CN94120477A
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English (en)
Chinese (zh)
Other versions
CN1124867A (zh
Inventor
藤泽裕利
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of CN1124867A publication Critical patent/CN1124867A/zh
Application granted granted Critical
Publication of CN1053283C publication Critical patent/CN1053283C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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
    • G11B7/22—Apparatus or processes for the manufacture of optical heads, e.g. assembly
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
CN94120477A 1993-12-29 1994-12-29 使用多透镜支座的光拾取装置 Expired - Fee Related CN1053283C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP355379/93 1993-12-29
JP355379/1993 1993-12-29
JP35537993A JP3449769B2 (ja) 1993-12-29 1993-12-29 光ピックアップ装置

Publications (2)

Publication Number Publication Date
CN1124867A CN1124867A (zh) 1996-06-19
CN1053283C true CN1053283C (zh) 2000-06-07

Family

ID=18443597

Family Applications (1)

Application Number Title Priority Date Filing Date
CN94120477A Expired - Fee Related CN1053283C (zh) 1993-12-29 1994-12-29 使用多透镜支座的光拾取装置

Country Status (5)

Country Link
US (1) US5497366A (show.php)
JP (1) JP3449769B2 (show.php)
KR (1) KR100296680B1 (show.php)
CN (1) CN1053283C (show.php)
TW (1) TW279979B (show.php)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19611904A1 (de) * 1996-03-26 1997-10-02 Thomson Brandt Gmbh Gerät zum Lesen und/oder Beschreiben optischer Aufzeichnungsträger
EP1004115B1 (en) 1997-08-19 2003-03-26 Kabushiki Kaisha Kenwood Optical pickup apparatus, holder and method of producing optical pickup apparatus
KR20020070088A (ko) * 1999-08-04 2002-09-05 가부시키가이샤 히타치세이사쿠쇼 레이저 모듈 및 그를 이용한 광헤드, 광학적 정보 기록재생 장치
KR20040091571A (ko) * 2003-04-21 2004-10-28 마쯔시다덴기산교 가부시키가이샤 광디스크 장치
US7600235B2 (en) 2003-05-21 2009-10-06 Panasonic Corporation Optical disk device
US20040246827A1 (en) * 2003-05-21 2004-12-09 Matsushita Electric Industrial Co., Ltd. Optical disk device
US7573800B2 (en) * 2004-01-29 2009-08-11 Panasonic Corporation Optical pickup and optical disk apparatus
JP2005334928A (ja) * 2004-05-26 2005-12-08 Yamazaki Mazak Corp レーザ加工機における焦点調整装置
JP2008033988A (ja) * 2006-07-26 2008-02-14 Canon Inc 情報記録再生装置、及び、光ピックアップ
US8427928B2 (en) * 2009-01-26 2013-04-23 Panasonic Corporation Optical head and optical information device
JP6394134B2 (ja) * 2014-07-11 2018-09-26 船井電機株式会社 プロジェクタおよびヘッドアップディスプレイ装置
WO2020128295A1 (fr) * 2018-12-17 2020-06-25 Sidel Participations Dispositif de détection optique d'un défaut de positionnement ou de forme d'un corps creux dans un convoyeur d'une unité de conditionnement thermique
CN110908468B (zh) * 2019-11-22 2021-08-20 苏州浪潮智能科技有限公司 一种pcie卡固定装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4670869A (en) * 1984-01-03 1987-06-02 Magnetic Peripherals Inc. Switching laser beam apparatus with recombined beam for recording
US4908813A (en) * 1986-12-10 1990-03-13 Hitachi, Ltd. Wavelength multiplexing optical recording apparatus
US5189655A (en) * 1989-09-14 1993-02-23 Sharp Kabushiki Kaisha Optical head for optical disk recording/reproducing apparatus including modified wollaston prism

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58220252A (ja) * 1982-06-16 1983-12-21 Hitachi Ltd 光学式ピツクアツプのトラツキング誤差信号検出回路
DE3472322D1 (en) * 1983-08-26 1988-07-28 Hitachi Ltd Optical information recording and reproducing apparatus
JPH0633537Y2 (ja) * 1984-06-30 1994-08-31 ソニ−株式会社 感光性半導体装置
EP0205940B1 (de) * 1985-05-31 1989-08-30 Siemens Aktiengesellschaft Optisches System zum Führen des Lesestrahles bei einem magneto-optischen Speicher
JPH0296618U (show.php) * 1989-01-17 1990-08-01

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4670869A (en) * 1984-01-03 1987-06-02 Magnetic Peripherals Inc. Switching laser beam apparatus with recombined beam for recording
US4908813A (en) * 1986-12-10 1990-03-13 Hitachi, Ltd. Wavelength multiplexing optical recording apparatus
US5189655A (en) * 1989-09-14 1993-02-23 Sharp Kabushiki Kaisha Optical head for optical disk recording/reproducing apparatus including modified wollaston prism

Also Published As

Publication number Publication date
JP3449769B2 (ja) 2003-09-22
CN1124867A (zh) 1996-06-19
KR950020477A (ko) 1995-07-24
KR100296680B1 (ko) 2001-10-24
US5497366A (en) 1996-03-05
JPH07201044A (ja) 1995-08-04
TW279979B (show.php) 1996-07-01

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Granted publication date: 20000607

Termination date: 20100129