KR960032347A - 광학장치 - Google Patents

광학장치 Download PDF

Info

Publication number
KR960032347A
KR960032347A KR1019960004014A KR19960004014A KR960032347A KR 960032347 A KR960032347 A KR 960032347A KR 1019960004014 A KR1019960004014 A KR 1019960004014A KR 19960004014 A KR19960004014 A KR 19960004014A KR 960032347 A KR960032347 A KR 960032347A
Authority
KR
South Korea
Prior art keywords
light
light receiving
receiving unit
light emitting
irradiated
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.)
Ceased
Application number
KR1019960004014A
Other languages
English (en)
Korean (ko)
Inventor
마사토 도이
히로노부 나루이
다카시 나카오
Original Assignee
이데이 노부유키
소니 가부시기가이샤
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 이데이 노부유키, 소니 가부시기가이샤 filed Critical 이데이 노부유키
Publication of KR960032347A publication Critical patent/KR960032347A/ko
Ceased 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0901—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following only
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Semiconductor Lasers (AREA)
KR1019960004014A 1995-02-23 1996-02-21 광학장치 Ceased KR960032347A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7035528A JPH08235608A (ja) 1995-02-23 1995-02-23 光学装置
JP95-35528 1995-02-23

Publications (1)

Publication Number Publication Date
KR960032347A true KR960032347A (ko) 1996-09-17

Family

ID=12444246

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960004014A Ceased KR960032347A (ko) 1995-02-23 1996-02-21 광학장치

Country Status (7)

Country Link
US (1) US5703863A (enExample)
EP (1) EP0729138B1 (enExample)
JP (1) JPH08235608A (enExample)
KR (1) KR960032347A (enExample)
DE (1) DE69613871T2 (enExample)
SG (1) SG52711A1 (enExample)
TW (1) TW309614B (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7038994B1 (en) * 1996-05-27 2006-05-02 Sony Corporation Optical pickup device with a plurality of laser couplers
US6504812B2 (en) 1996-05-27 2003-01-07 Sony Corporation Optical pickup device with a plurality of laser couplers
JPH1064084A (ja) * 1996-08-19 1998-03-06 Sony Corp 光学装置
WO2000025310A1 (en) * 1998-10-27 2000-05-04 Sony Corporation Optical pickup and optical reproduction device
EP1269467A2 (en) * 1999-12-02 2003-01-02 Teraconnect, Inc. Method and apparatus for reading out and writing to an optical disc
JP2001256665A (ja) * 2000-01-07 2001-09-21 Rohm Co Ltd 受発光複合素子およびそれを用いた光ピックアップ装置
WO2015087257A2 (en) * 2013-12-10 2015-06-18 Koninklijke Philips N.V. Optical storage medium, oam-light generating device comprising an optical storage medium, hyperpolarization device comprising an oam-light generating device and magnetic resonance system comprising a hyperpolarization device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5517479A (en) * 1993-03-26 1996-05-14 Matsushita Electronics Corporation Optical head including a semiconductor laser having a non-scatter incident area

Also Published As

Publication number Publication date
JPH08235608A (ja) 1996-09-13
DE69613871D1 (de) 2001-08-23
DE69613871T2 (de) 2002-04-11
EP0729138A3 (en) 1998-04-22
EP0729138B1 (en) 2001-07-18
EP0729138A2 (en) 1996-08-28
SG52711A1 (en) 1998-09-28
TW309614B (enExample) 1997-07-01
US5703863A (en) 1997-12-30

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Legal Events

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Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19960221

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PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20010220

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Patent event code: PA02011R01I

Patent event date: 19960221

Comment text: Patent Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

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Patent event date: 20030421

Patent event code: PE09021S01D

E601 Decision to refuse application
PE0601 Decision on rejection of patent

Patent event date: 20030811

Comment text: Decision to Refuse Application

Patent event code: PE06012S01D

Patent event date: 20030421

Comment text: Notification of reason for refusal

Patent event code: PE06011S01I