DE60214336T8 - Optischer abnehmer und optisches platten-laufwerk - Google Patents

Optischer abnehmer und optisches platten-laufwerk Download PDF

Info

Publication number
DE60214336T8
DE60214336T8 DE60214336T DE60214336T DE60214336T8 DE 60214336 T8 DE60214336 T8 DE 60214336T8 DE 60214336 T DE60214336 T DE 60214336T DE 60214336 T DE60214336 T DE 60214336T DE 60214336 T8 DE60214336 T8 DE 60214336T8
Authority
DE
Germany
Prior art keywords
optical
buyer
plate drive
optical plate
drive
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
DE60214336T
Other languages
English (en)
Other versions
DE60214336D1 (de
DE60214336T2 (de
Inventor
Norio Fukasawa
Junichi Suzuki
Tetsu Tanaka
Takeshi Kubo
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 DE60214336D1 publication Critical patent/DE60214336D1/de
Application granted granted Critical
Publication of DE60214336T2 publication Critical patent/DE60214336T2/de
Publication of DE60214336T8 publication Critical patent/DE60214336T8/de
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
    • G11B7/08—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
    • G11B7/135—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
    • G11B7/1356—Double or multiple prisms, i.e. having two or more prisms in cooperation
    • 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
    • G11B7/1359—Single prisms
    • 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 Head (AREA)
  • Optical Recording Or Reproduction (AREA)
DE60214336T 2001-01-12 2002-01-15 Optischer abnehmer und optisches platten-laufwerk Expired - Fee Related DE60214336T8 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001005589 2001-01-12
JP2001005589 2001-01-12
PCT/JP2002/000202 WO2002056309A1 (fr) 2001-01-12 2002-01-15 Capteur optique et unite de disque optique

Publications (3)

Publication Number Publication Date
DE60214336D1 DE60214336D1 (de) 2006-10-12
DE60214336T2 DE60214336T2 (de) 2007-08-30
DE60214336T8 true DE60214336T8 (de) 2007-12-13

Family

ID=18873620

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60214336T Expired - Fee Related DE60214336T8 (de) 2001-01-12 2002-01-15 Optischer abnehmer und optisches platten-laufwerk

Country Status (6)

Country Link
US (2) US6987614B2 (de)
EP (1) EP1351227B1 (de)
JP (1) JP4165221B2 (de)
KR (1) KR20020081437A (de)
DE (1) DE60214336T8 (de)
WO (1) WO2002056309A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4251107B2 (ja) * 2003-05-30 2009-04-08 ソニー株式会社 光学ヘッド及びこれを用いた記録及び／又は再生装置
JP2008130167A (ja) * 2006-11-21 2008-06-05 Sanyo Electric Co Ltd 光ピックアップ装置
JP2009110558A (ja) * 2007-10-26 2009-05-21 Sanyo Electric Co Ltd 光ピックアップ装置
JP4722205B2 (ja) * 2009-07-31 2011-07-13 三洋電機株式会社 光ピックアップ装置および光ディスク装置
CN103759826B (zh) * 2010-04-19 2017-08-18 台湾超微光学股份有限公司 具有杂散光滤除构造的微型光谱仪

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63131338A (ja) 1986-11-21 1988-06-03 Canon Inc 光ヘツド装置
US5060212A (en) * 1987-08-17 1991-10-22 Ricoh Company, Ltd. Integrated optical pick-up device
DE3855936T2 (de) 1987-08-24 1998-01-02 Sharp Kk Optische Abtastvorrichtung
US4907847A (en) 1987-09-28 1990-03-13 Nec Home Electronics Ltd. Optical pickup and hologram therefor
JP3155287B2 (ja) 1990-05-30 2001-04-09 株式会社リコー 光情報記録再生装置
US5317551A (en) 1990-07-16 1994-05-31 Matsushita Electric Industrial Co., Ltd. Optical disk head including a light path having a thickness and width greater than the light beam wavelength by a predetermined amount
EP0583036B1 (de) 1992-08-12 1998-07-15 Koninklijke Philips Electronics N.V. Einrichtung zur optischen Abtastung einer Oberfläche
US5742572A (en) 1993-06-21 1998-04-21 Fujitsu Limited Optical information recording/reproducing apparatus which detects focal error
KR0171076B1 (ko) 1994-05-13 1999-04-15 배순훈 서로 다른 파장의 레이저 비임을 동시에 각각 발생하여 한쪽면에 복수개의 기록층을 가지는 광디스크를 기록/재생하는 광 픽업 시스템
JP3660415B2 (ja) * 1995-02-07 2005-06-15 富士通株式会社 光学記憶装置用光学デバイス
JP3697875B2 (ja) 1997-12-25 2005-09-21 ソニー株式会社 光学ピックアップ及び光ディスク装置
WO2000008640A1 (fr) * 1998-08-04 2000-02-17 Sony Corporation Dispositif optique integre et tete de lecture optique et unite de disque optique

Also Published As

Publication number Publication date
DE60214336D1 (de) 2006-10-12
US20030165014A1 (en) 2003-09-04
US20050163437A1 (en) 2005-07-28
JP4165221B2 (ja) 2008-10-15
EP1351227A4 (de) 2005-02-09
KR20020081437A (ko) 2002-10-26
US6987614B2 (en) 2006-01-17
US7180668B2 (en) 2007-02-20
EP1351227B1 (de) 2006-08-30
EP1351227A1 (de) 2003-10-08
JPWO2002056309A1 (ja) 2004-05-20
DE60214336T2 (de) 2007-08-30
WO2002056309A1 (fr) 2002-07-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8381 Inventor (new situation)

Inventor name: FUKASAWA, NORIO, TOKYO, JP

Inventor name: SUZUKI, JUNICHI, TOKYO, JP

Inventor name: TANAKA, TETSU, TOKYO, JP

Inventor name: KUBO, TAKESHI, TOKYO, JP

8339 Ceased/non-payment of the annual fee