DE60324173D1 - Optische scanning einrichtung mit neigungsdetektion - Google Patents

Optische scanning einrichtung mit neigungsdetektion

Info

Publication number
DE60324173D1
DE60324173D1 DE60324173T DE60324173T DE60324173D1 DE 60324173 D1 DE60324173 D1 DE 60324173D1 DE 60324173 T DE60324173 T DE 60324173T DE 60324173 T DE60324173 T DE 60324173T DE 60324173 D1 DE60324173 D1 DE 60324173D1
Authority
DE
Germany
Prior art keywords
record carrier
scanning device
optical scanning
scanning
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 - Lifetime
Application number
DE60324173T
Other languages
English (en)
Inventor
Teunis W Tukker
Ole K Andersen
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE60324173D1 publication Critical patent/DE60324173D1/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
    • G11B7/12—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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • 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
    • G11B7/095—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble
    • 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
    • G11B7/095—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble
    • G11B7/0956—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
    • 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
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE60324173T 2002-10-17 2003-09-15 Optische scanning einrichtung mit neigungsdetektion Expired - Lifetime DE60324173D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP02079357 2002-10-17
PCT/IB2003/004023 WO2004036557A2 (en) 2002-10-17 2003-09-15 Optical scanning device with tilt detection

Publications (1)

Publication Number Publication Date
DE60324173D1 true DE60324173D1 (de) 2008-11-27

Family

ID=32103968

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60324173T Expired - Lifetime DE60324173D1 (de) 2002-10-17 2003-09-15 Optische scanning einrichtung mit neigungsdetektion

Country Status (9)

Country Link
US (1) US7359294B2 (de)
EP (1) EP1554722B1 (de)
JP (1) JP4542903B2 (de)
KR (1) KR101068670B1 (de)
CN (1) CN1689083B (de)
AT (1) ATE411595T1 (de)
AU (1) AU2003260850A1 (de)
DE (1) DE60324173D1 (de)
WO (1) WO2004036557A2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007172793A (ja) * 2005-12-26 2007-07-05 Sony Corp 光ピックアップ装置および光ディスク装置
KR101951242B1 (ko) * 2017-05-19 2019-02-22 전자부품연구원 라이다 장치 및 이를 포함하는 라이다 시스템
US10107975B1 (en) * 2017-11-13 2018-10-23 Denselight Semiconductors Pte. Ltd. Optoelectronic assembly for optical coupling

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4219704A (en) * 1974-10-21 1980-08-26 Eli S. Jacobs Record playback apparatus for optical data records
DE68923833T2 (de) * 1988-06-20 1996-06-13 Mitsubishi Electric Corp Optischer Kopf mit Kippkorrekturservomechanismus.
JPH0758559B2 (ja) * 1988-09-02 1995-06-21 シャープ株式会社 光ピックアップ装置
JPH04276323A (ja) * 1991-03-01 1992-10-01 Sony Corp レンズ装置
KR930007024B1 (ko) * 1991-05-13 1993-07-26 삼성전자 주식회사 광픽업
JPH056562A (ja) 1991-06-28 1993-01-14 Toshiba Corp チルト検出装置
US6487163B1 (en) * 1994-01-19 2002-11-26 Kabushiki Kaisha Toshiba Optical disk and optical disk apparatus
JP3503995B2 (ja) * 1994-08-03 2004-03-08 松下電器産業株式会社 光ディスク装置
JP3691965B2 (ja) * 1998-06-30 2005-09-07 株式会社東芝 光ヘッド及びこれを用いた光ディスク装置
JP3715443B2 (ja) 1998-08-27 2005-11-09 パイオニア株式会社 光ピックアップ装置
US6545958B1 (en) * 1998-08-31 2003-04-08 Ricoh Company, Ltd. Optical-pickup device and tilt-detecting method thereof
JP2000099987A (ja) * 1998-09-24 2000-04-07 Sanyo Electric Co Ltd 光磁気ヘッド装置
DE60040456D1 (de) * 1999-12-24 2008-11-20 Koninkl Philips Electronics Nv Optische abtasteinheit mit einem detektionssystem zur positionserkennung eines innerhalb der abtasteinheit beweglichen elementes
US20050198916A1 (en) * 2004-03-11 2005-09-15 Janesky Lawrence M. Wall and sub-floor water drain panel assembly for basement water-control

Also Published As

Publication number Publication date
US20050286389A1 (en) 2005-12-29
CN1689083B (zh) 2010-05-26
ATE411595T1 (de) 2008-10-15
KR20050055765A (ko) 2005-06-13
AU2003260850A8 (en) 2004-05-04
CN1689083A (zh) 2005-10-26
WO2004036557A2 (en) 2004-04-29
EP1554722A2 (de) 2005-07-20
US7359294B2 (en) 2008-04-15
WO2004036557A3 (en) 2004-07-15
JP2006503390A (ja) 2006-01-26
EP1554722B1 (de) 2008-10-15
AU2003260850A1 (en) 2004-05-04
JP4542903B2 (ja) 2010-09-15
KR101068670B1 (ko) 2011-09-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition