DE60326976D1 - Optische scanning-einrichtung - Google Patents

Optische scanning-einrichtung

Info

Publication number
DE60326976D1
DE60326976D1 DE60326976T DE60326976T DE60326976D1 DE 60326976 D1 DE60326976 D1 DE 60326976D1 DE 60326976 T DE60326976 T DE 60326976T DE 60326976 T DE60326976 T DE 60326976T DE 60326976 D1 DE60326976 D1 DE 60326976D1
Authority
DE
Germany
Prior art keywords
record carrier
focusing
scanning device
optical scanning
focal point
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
DE60326976T
Other languages
English (en)
Inventor
Hendrik J Goossens
Teunis W Tukker
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 DE60326976D1 publication Critical patent/DE60326976D1/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
    • G11B7/1356—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
    • G11B7/08—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
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • G11B7/08517—Methods for track change, selection or preliminary positioning by moving the head with tracking pull-in 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
    • G11B7/135—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
    • G11B7/1369—Active plates, e.g. liquid crystal panels or electrostrictive 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
    • G11B7/1372—Lenses
    • G11B7/1378—Separate aberration correction lenses; Cylindrical lenses to generate astigmatism; Beam expanders
    • 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
    • G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously
    • 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
    • G11B2007/0009—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage
    • G11B2007/0013—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage for carriers having multiple discrete layers

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Communication System (AREA)
  • Vehicle Body Suspensions (AREA)
  • Electroluminescent Light Sources (AREA)
DE60326976T 2002-10-16 2003-09-15 Optische scanning-einrichtung Expired - Fee Related DE60326976D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP02079280 2002-10-16
PCT/IB2003/004022 WO2004036568A1 (en) 2002-10-16 2003-09-15 Optical scanning device

Publications (1)

Publication Number Publication Date
DE60326976D1 true DE60326976D1 (de) 2009-05-14

Family

ID=32103940

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60326976T Expired - Fee Related DE60326976D1 (de) 2002-10-16 2003-09-15 Optische scanning-einrichtung

Country Status (9)

Country Link
US (2) US20060154550A1 (de)
EP (1) EP1554723B1 (de)
JP (1) JP2006503389A (de)
KR (1) KR20050053756A (de)
CN (1) CN100342436C (de)
AT (1) ATE427547T1 (de)
AU (1) AU2003260849A1 (de)
DE (1) DE60326976D1 (de)
WO (1) WO2004036568A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3020179B1 (fr) 2014-04-22 2017-10-06 Saint Gobain Electrode supportee transparente pour oled
DE102017215671A1 (de) * 2017-09-06 2019-03-07 Robert Bosch Gmbh Scansystem und Sende- und Empfangsvorrichtung für ein Scansystem

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61160714A (ja) * 1985-01-09 1986-07-21 Canon Inc 焦点距離可変レンズ
NL9002841A (nl) * 1990-12-21 1992-07-16 Philips Nv Werkwijze en inrichting voor het langs optische weg inschrijven, uitlezen, en wissen van een meervlaks registratiedrager, en registratiedrager geschikt voor deze werkwijze en inrichting.
KR100200837B1 (ko) * 1995-01-24 1999-06-15 윤종용 다층 기록막을 갖는 광디스크를 위한 광픽업
JPH0991700A (ja) * 1995-09-25 1997-04-04 Sony Corp 光学記録媒体の初期化方法とこれに用いる初期化装置
DE19643105A1 (de) 1996-10-21 1998-04-23 Thomson Brandt Gmbh Gerät zum Lesen oder Beschreiben eines optischen Aufzeichnungsträgers
JPH10149560A (ja) 1996-11-15 1998-06-02 Sony Corp 光学ピックアップ及び光ディスク装置
JP3692844B2 (ja) * 1998-07-24 2005-09-07 セイコーエプソン株式会社 電界発光素子、及び電子機器
JP2000187880A (ja) 1998-12-21 2000-07-04 Sharp Corp マルチビーム光ピックアップ及びマルチビーム生成方法
DE19859035A1 (de) * 1998-12-21 2000-06-29 Thomson Brandt Gmbh Gerät zum Lesen oder Schreiben optischer Aufzeichnungsträger mit unterschiedlichen Informationsträgerschichten
BR0111198B1 (pt) 2000-05-30 2014-03-04 Thomson Licensing Sa Dispositivo para a leitura e/ou escrita em meios de gravação óticos
WO2003050801A2 (en) * 2001-12-12 2003-06-19 Koninklijke Philips Electronics N.V. Optical scanning device

Also Published As

Publication number Publication date
JP2006503389A (ja) 2006-01-26
US7161891B2 (en) 2007-01-09
CN100342436C (zh) 2007-10-10
US20060154550A1 (en) 2006-07-13
WO2004036568A1 (en) 2004-04-29
CN1689085A (zh) 2005-10-26
EP1554723B1 (de) 2009-04-01
US20060077854A1 (en) 2006-04-13
ATE427547T1 (de) 2009-04-15
AU2003260849A1 (en) 2004-05-04
KR20050053756A (ko) 2005-06-08
EP1554723A1 (de) 2005-07-20

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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