DE69520901D1 - Optische Vorrichtung - Google Patents

Optische Vorrichtung

Info

Publication number
DE69520901D1
DE69520901D1 DE69520901T DE69520901T DE69520901D1 DE 69520901 D1 DE69520901 D1 DE 69520901D1 DE 69520901 T DE69520901 T DE 69520901T DE 69520901 T DE69520901 T DE 69520901T DE 69520901 D1 DE69520901 D1 DE 69520901D1
Authority
DE
Germany
Prior art keywords
optical device
optical
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
DE69520901T
Other languages
English (en)
Other versions
DE69520901T2 (de
Inventor
Kenji Sahara
Hironobu Narui
Masato Doi
Osamu Matsuda
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
Application granted granted Critical
Publication of DE69520901D1 publication Critical patent/DE69520901D1/de
Publication of DE69520901T2 publication Critical patent/DE69520901T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10532—Heads
    • G11B11/10541—Heads for reproducing
    • G11B11/10543—Heads for reproducing using optical beam of radiation
    • 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
    • G11B7/123—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate
DE69520901T 1994-03-08 1995-03-07 Optische Vorrichtung Expired - Fee Related DE69520901T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP03725594A JP3541416B2 (ja) 1994-03-08 1994-03-08 光学装置

Publications (2)

Publication Number Publication Date
DE69520901D1 true DE69520901D1 (de) 2001-06-21
DE69520901T2 DE69520901T2 (de) 2001-11-29

Family

ID=12492545

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69520901T Expired - Fee Related DE69520901T2 (de) 1994-03-08 1995-03-07 Optische Vorrichtung

Country Status (7)

Country Link
US (2) US5568463A (de)
EP (1) EP0671734B1 (de)
JP (1) JP3541416B2 (de)
KR (1) KR950034131A (de)
CN (1) CN1073259C (de)
DE (1) DE69520901T2 (de)
MY (1) MY113350A (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3541416B2 (ja) * 1994-03-08 2004-07-14 ソニー株式会社 光学装置
JPH0894938A (ja) * 1994-09-21 1996-04-12 Sony Corp 共焦点顕微鏡並びに光記録再生装置
JPH08235663A (ja) * 1995-02-24 1996-09-13 Sony Corp 光学素子
JP3882210B2 (ja) * 1995-09-13 2007-02-14 ソニー株式会社 光学装置
FR2739965B1 (fr) * 1995-10-17 1997-11-07 Thomson Csf Dispositif emetteur-recepteur de lumiere et systeme de lecture optique
JPH09128772A (ja) * 1995-11-01 1997-05-16 Sony Corp 光学ピックアップ
US5859814A (en) * 1996-10-18 1999-01-12 The Board Of Trustees Of The Leland Stanford Junior University Magneto-optic recording system and method
US6121603A (en) * 1997-12-01 2000-09-19 Hang; Zhijiang Optical confocal device having a common light directing means
WO2001026102A1 (en) 1999-10-05 2001-04-12 New Dimension Research & Instrument, Inc. Monolithic vcsel-based optical pickup and servo control device
JP3659089B2 (ja) * 1999-10-25 2005-06-15 株式会社日立製作所 光ヘッド及びそれを用いた光学的情報媒体記録再生装置
EP1235211A4 (de) 2000-03-15 2006-08-30 Toshiba Kk Substrat eines optischen kopfes und verfahren zu dessen herstellung
EP1706894B1 (de) * 2004-01-20 2012-05-23 Binoptics Corporation Integrierte photonische bauelemente
JP6044239B2 (ja) * 2012-10-01 2016-12-14 セイコーエプソン株式会社 撮像装置および医療機器
EP3470872B1 (de) * 2017-10-11 2021-09-08 Melexis Technologies NV Sensorvorrichtung
CN110095426B (zh) * 2019-04-12 2022-01-07 华中科技大学鄂州工业技术研究院 一种基于红外发射和探测集成芯片的红外气体传感器

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4918675A (en) * 1986-12-04 1990-04-17 Pencom International Corporation Magneto-optical head with separate optical paths for error and data detection
JPH0770065B2 (ja) * 1988-04-20 1995-07-31 シャープ株式会社 光ピックアップ装置
US5161148A (en) * 1988-08-05 1992-11-03 Matsushita Electric Industrial Co., Ltd. Optical pick-up using wavelength guide with grating coupler therein
JPH0724112B2 (ja) * 1988-12-19 1995-03-15 ローム株式会社 レーザダイオードユニットの取り付け方法
US5119352A (en) * 1990-08-17 1992-06-02 Hewlett-Packard Company Magneto optic data storage read out apparatus and method
US5136152A (en) * 1990-12-19 1992-08-04 Hoetron, Inc. Hybrid optical pickup with integrated power emission and reading photodetectors
JPH05259584A (ja) * 1992-01-14 1993-10-08 Internatl Business Mach Corp <Ibm> 集積光デフレクタおよびその製造方法
US5446719A (en) * 1992-02-05 1995-08-29 Sharp Kabushiki Kaisha Optical information reproducing apparatus
EP0579843B1 (de) * 1992-02-07 1999-12-22 Sony Corporation Optisches abtastgerät für eine magneto-optische speicherung
JPH05282723A (ja) * 1992-03-31 1993-10-29 Matsushita Electric Ind Co Ltd 光磁気ヘッド装置
JP3260426B2 (ja) * 1992-07-27 2002-02-25 松下電器産業株式会社 光学式ピックアップ装置
JPH07114746A (ja) * 1993-08-25 1995-05-02 Sony Corp 光学装置
JP3541416B2 (ja) * 1994-03-08 2004-07-14 ソニー株式会社 光学装置
JPH07296441A (ja) * 1994-04-28 1995-11-10 Sony Corp 光学装置

Also Published As

Publication number Publication date
JPH07244881A (ja) 1995-09-19
EP0671734B1 (de) 2001-05-16
US5708645A (en) 1998-01-13
KR950034131A (ko) 1995-12-26
CN1073259C (zh) 2001-10-17
CN1115388A (zh) 1996-01-24
MY113350A (en) 2002-01-31
DE69520901T2 (de) 2001-11-29
US5568463A (en) 1996-10-22
EP0671734A1 (de) 1995-09-13
JP3541416B2 (ja) 2004-07-14

Similar Documents

Publication Publication Date Title
DE69719117T2 (de) Optische Vorrichtung
DE69428861D1 (de) Optische vorrichtung
DE69429466D1 (de) Optische Vorrichtung
DE69532083D1 (de) Optische vorrichtung
DE69523104D1 (de) Phasengekoppelte optische vorrichtung
DE69128103D1 (de) Optische Vorrichtung
DE69129817T2 (de) Optische Vorrichtung
DE69131485D1 (de) Optische vorrichtung
DE69621538T2 (de) Optische Vorrichtung
DE69530900D1 (de) Optische Vorrichtung
DE69219104D1 (de) Optische vorrichtung
DE69420628D1 (de) Rein optische Vorrichtung
DE69419370D1 (de) Optische Vorrichtung
DE69124504T2 (de) Optische vorrichtung
DE69722339D1 (de) Optische Vorrichtung
DE69738906D1 (de) Optische vorrichtung
DE69728708D1 (de) Optische Vorrichtung
DE69713740D1 (de) Optische vorrichtung
DE69520901T2 (de) Optische Vorrichtung
DE69830990D1 (de) Optische vorrichtung
DE19781041T1 (de) Optische Vorrichtung
DE69928157D1 (de) Optische Vorrichtung
DE69425050T2 (de) Optische vorrichtung
DE69534560D1 (de) Optische Rangierverteiler
DE69840700D1 (de) Optische vorrichtung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee