DE69419067D1 - Optisches Abtastgerät - Google Patents

Optisches Abtastgerät

Info

Publication number
DE69419067D1
DE69419067D1 DE69419067T DE69419067T DE69419067D1 DE 69419067 D1 DE69419067 D1 DE 69419067D1 DE 69419067 T DE69419067 T DE 69419067T DE 69419067 T DE69419067 T DE 69419067T DE 69419067 D1 DE69419067 D1 DE 69419067D1
Authority
DE
Germany
Prior art keywords
optical scanner
scanner
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
DE69419067T
Other languages
English (en)
Other versions
DE69419067T2 (de
Inventor
Naoya Eguchi
Atsushi Fukumoto
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 DE69419067D1 publication Critical patent/DE69419067D1/de
Publication of DE69419067T2 publication Critical patent/DE69419067T2/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
    • 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
    • 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
    • G11B7/1362—Mirrors

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
DE69419067T 1993-04-26 1994-04-26 Optisches Abtastgerät Expired - Fee Related DE69419067T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5099835A JPH06309690A (ja) 1993-04-26 1993-04-26 光ピックアップ

Publications (2)

Publication Number Publication Date
DE69419067D1 true DE69419067D1 (de) 1999-07-22
DE69419067T2 DE69419067T2 (de) 1999-10-14

Family

ID=14257878

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69419067T Expired - Fee Related DE69419067T2 (de) 1993-04-26 1994-04-26 Optisches Abtastgerät

Country Status (5)

Country Link
US (1) US5473154A (de)
EP (1) EP0622788B1 (de)
JP (1) JPH06309690A (de)
KR (1) KR940024705A (de)
DE (1) DE69419067T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5852591A (en) * 1994-04-23 1998-12-22 Sony Corporation Magneto-optical recording medium and head unit for a magneto-optical recording medium
JP4023012B2 (ja) 1998-11-10 2007-12-19 ソニー株式会社 光ディスク傾き検出方法、光学ピックアップ装置および光ディスク装置
US7209415B2 (en) * 2002-10-29 2007-04-24 Sanyo Electric Co., Ltd. Optical pickup device and recording and/or reproducing device
KR100503007B1 (ko) * 2003-06-24 2005-07-21 삼성전기주식회사 광픽업용 액추에이터의 부공진 측정 장치
WO2005031727A1 (ja) * 2003-09-30 2005-04-07 Pioneer Corporation 光記録媒体、および、データ記録装置
DE102010025534B4 (de) 2010-06-29 2023-02-02 I.G. Bauerhin Gmbh Lenkradheizung mit dünnem Trägermaterial

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5814330A (ja) * 1981-07-17 1983-01-27 Matsushita Electric Ind Co Ltd 光学装置
EP0253613B1 (de) * 1986-07-14 1991-11-21 Sharp Kabushiki Kaisha Optischer Kopf
DE3704146A1 (de) * 1987-02-11 1988-09-29 Basf Ag Laseroptisches schreib- und leseverfahren
US4973836A (en) * 1987-03-31 1990-11-27 Canon Kabushiki Kaisha Optical pickup device including a beam splitter having an inclined plane
JP3066966B2 (ja) * 1988-02-29 2000-07-17 ソニー株式会社 レーザ光源
JP2861188B2 (ja) * 1990-01-31 1999-02-24 ソニー株式会社 光磁気記録再生装置
JPH0460930A (ja) * 1990-06-27 1992-02-26 Pioneer Electron Corp 光ピックアップ

Also Published As

Publication number Publication date
US5473154A (en) 1995-12-05
EP0622788A1 (de) 1994-11-02
JPH06309690A (ja) 1994-11-04
DE69419067T2 (de) 1999-10-14
EP0622788B1 (de) 1999-06-16
KR940024705A (ko) 1994-11-18

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Legal Events

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