DE60234274D1 - Optische abnehmervorrichtung - Google Patents

Optische abnehmervorrichtung

Info

Publication number
DE60234274D1
DE60234274D1 DE60234274T DE60234274T DE60234274D1 DE 60234274 D1 DE60234274 D1 DE 60234274D1 DE 60234274 T DE60234274 T DE 60234274T DE 60234274 T DE60234274 T DE 60234274T DE 60234274 D1 DE60234274 D1 DE 60234274D1
Authority
DE
Germany
Prior art keywords
suction device
optical suction
optical
suction
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
DE60234274T
Other languages
English (en)
Inventor
Takashi Kobayashi
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 DE60234274D1 publication Critical patent/DE60234274D1/de
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
    • G11B7/08—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
    • 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
    • G11B7/0908—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 focusing only
    • G11B7/0912—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 focusing only by push-pull method
    • 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
    • G11B7/13—Optical detectors therefor
    • 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
    • G11B7/13—Optical detectors therefor
    • G11B7/131—Arrangement of detectors in a multiple array
    • 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
    • G11B7/13—Optical detectors therefor
    • G11B7/133—Shape of individual detector elements
    • 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
    • G11B7/1353—Diffractive elements, e.g. holograms or gratings
    • 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
    • G11B7/1381—Non-lens elements for altering the properties of the beam, e.g. knife edges, slits, filters or stops

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
DE60234274T 2001-12-20 2002-12-18 Optische abnehmervorrichtung Expired - Lifetime DE60234274D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001387056A JP4032732B2 (ja) 2001-12-20 2001-12-20 光ピックアップ装置
PCT/JP2002/013227 WO2003054866A1 (en) 2001-12-20 2002-12-18 Optical pickup apparatus

Publications (1)

Publication Number Publication Date
DE60234274D1 true DE60234274D1 (de) 2009-12-17

Family

ID=19188025

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60234274T Expired - Lifetime DE60234274D1 (de) 2001-12-20 2002-12-18 Optische abnehmervorrichtung

Country Status (8)

Country Link
US (1) US7126888B2 (de)
EP (1) EP1460623B1 (de)
JP (1) JP4032732B2 (de)
KR (1) KR100922524B1 (de)
CN (1) CN1246844C (de)
DE (1) DE60234274D1 (de)
TW (1) TWI224329B (de)
WO (1) WO2003054866A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100619330B1 (ko) * 2004-03-04 2006-09-12 삼성전기주식회사 광픽업 장치
JP4775634B2 (ja) * 2005-11-30 2011-09-21 ソニー株式会社 光ピックアップ装置、および光ディスク装置
JP4433315B2 (ja) 2006-01-12 2010-03-17 ソニー株式会社 光ピックアップ及び光情報装置
JP4499671B2 (ja) * 2006-02-17 2010-07-07 シャープ株式会社 光ピックアップ装置
US7706235B2 (en) * 2006-06-26 2010-04-27 Lg Electronics Inc. Optical pickup device
JP5002445B2 (ja) * 2007-12-26 2012-08-15 株式会社日立メディアエレクトロニクス 光ピックアップ装置および光ディスク装置
TWI637166B (zh) * 2017-11-14 2018-10-01 國立臺灣大學 微分相位對比顯微系統與方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3882872T2 (de) * 1987-10-05 1993-11-11 Matsushita Electric Ind Co Ltd Optische Lesekopf.
CA1324516C (en) * 1988-06-23 1993-11-23 Toshiya Nagahama Optical pickup apparatus
JP3028854B2 (ja) * 1990-07-18 2000-04-04 セイコーエプソン株式会社 光ヘッド及び光記憶再生装置
JPH1064078A (ja) * 1996-08-20 1998-03-06 Mitsubishi Electric Corp 光ヘッド
JP3455399B2 (ja) * 1997-07-22 2003-10-14 ペンタックス株式会社 光ディスク用センサシステム
US6104689A (en) * 1997-07-22 2000-08-15 Asahi Kogaku Kogyo Kabushiki Kaisha Sensor system for optical disc drive
JP3511913B2 (ja) * 1998-10-19 2004-03-29 日本ビクター株式会社 光ピックアップ及び光デバイス
JP3147879B2 (ja) * 1998-12-08 2001-03-19 日本電気株式会社 光学的情報記録再生装置
JP2000235716A (ja) 1999-02-10 2000-08-29 Victor Co Of Japan Ltd 光デバイス
JP3429224B2 (ja) * 1999-07-19 2003-07-22 日本電気株式会社 光ヘッド

Also Published As

Publication number Publication date
EP1460623B1 (de) 2009-11-04
US20050002014A1 (en) 2005-01-06
TW200301466A (en) 2003-07-01
CN1246844C (zh) 2006-03-22
TWI224329B (en) 2004-11-21
KR20040060845A (ko) 2004-07-06
US7126888B2 (en) 2006-10-24
CN1493076A (zh) 2004-04-28
JP4032732B2 (ja) 2008-01-16
EP1460623A4 (de) 2008-05-28
JP2003187469A (ja) 2003-07-04
KR100922524B1 (ko) 2009-10-20
EP1460623A1 (de) 2004-09-22
WO2003054866A1 (en) 2003-07-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition