DE69901491D1 - Optischer abtaster mit einem hologrammraster und verfahren zur erzeugung von hologrammrastern - Google Patents

Optischer abtaster mit einem hologrammraster und verfahren zur erzeugung von hologrammrastern

Info

Publication number
DE69901491D1
DE69901491D1 DE69901491T DE69901491T DE69901491D1 DE 69901491 D1 DE69901491 D1 DE 69901491D1 DE 69901491 T DE69901491 T DE 69901491T DE 69901491 T DE69901491 T DE 69901491T DE 69901491 D1 DE69901491 D1 DE 69901491D1
Authority
DE
Germany
Prior art keywords
hologram
grids
optical scanner
grid
producing
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
DE69901491T
Other languages
English (en)
Other versions
DE69901491T2 (de
Inventor
Takayoshi Hiraga
Hiroshi Miyazawa
Tohru Sinzou
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.)
Kenwood KK
Original Assignee
Kenwood KK
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 Kenwood KK filed Critical Kenwood KK
Publication of DE69901491D1 publication Critical patent/DE69901491D1/de
Application granted granted Critical
Publication of DE69901491T2 publication Critical patent/DE69901491T2/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
    • G11B7/1353—Diffractive elements, e.g. holograms or gratings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/32—Holograms used as optical 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
    • G11B7/14—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
    • 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
    • G11B7/0901—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 track following only
    • G11B7/0903—Multi-beam tracking systems

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Head (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Holo Graphy (AREA)
  • Optical Recording Or Reproduction (AREA)
DE69901491T 1998-02-19 1999-02-12 Optischer abtaster mit einem hologrammraster und verfahren zur erzeugung von hologrammrastern Expired - Fee Related DE69901491T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP05265798A JP3362768B2 (ja) 1998-02-19 1998-02-19 光ピックアップ装置
PCT/JP1999/000621 WO1999042994A1 (en) 1998-02-19 1999-02-12 Optical pickup device using hologram pattern and hologram pattern generating method

Publications (2)

Publication Number Publication Date
DE69901491D1 true DE69901491D1 (de) 2002-06-20
DE69901491T2 DE69901491T2 (de) 2002-12-19

Family

ID=12920945

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69901491T Expired - Fee Related DE69901491T2 (de) 1998-02-19 1999-02-12 Optischer abtaster mit einem hologrammraster und verfahren zur erzeugung von hologrammrastern

Country Status (9)

Country Link
US (1) US7050207B1 (de)
EP (1) EP1060472B1 (de)
JP (1) JP3362768B2 (de)
KR (1) KR100368493B1 (de)
CN (1) CN1114205C (de)
DE (1) DE69901491T2 (de)
MY (1) MY123260A (de)
TW (1) TW417106B (de)
WO (1) WO1999042994A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI104447B (fi) 1998-07-10 2000-01-31 Valmet Automation Inc Menetelmä ja mittalaite nestemäisen aineen kaasupitoisuuden mittaamiseksi
GB2353392A (en) * 1999-08-18 2001-02-21 Secr Defence Imaging system suitable for use in multi-layer optical data storage applications
KR100475571B1 (ko) 2002-11-29 2005-03-10 삼성전자주식회사 광픽업유닛의 코마수차 조정장치
EP1676267A2 (de) * 2003-10-13 2006-07-05 Koninklijke Philips Electronics N.V. Verfahren und einrichtung zum kompensieren der neigung eines optischen datenträgers
JP4770685B2 (ja) * 2006-10-10 2011-09-14 パナソニック株式会社 光学情報記録再生装置
JPWO2008105281A1 (ja) * 2007-02-28 2010-06-03 日本電気株式会社 光ヘッド装置及び光学式情報記録再生装置
US8891343B2 (en) * 2008-12-17 2014-11-18 General Electric Corporation Method for formatting and reading data disks
DE102012207621A1 (de) 2012-05-08 2013-11-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Projektionsdisplay mit mehrkanaloptik mit nicht kreisförmiger gesamtapertur
KR20210083078A (ko) 2019-12-26 2021-07-06 삼성전자주식회사 디스플레이 장치

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5958637A (ja) 1982-09-28 1984-04-04 Sony Corp 光学式再生装置
US4720825A (en) * 1984-02-06 1988-01-19 Asahi Kogaku Kogyo Kabushiki Kaisha Optical data reproducing devices having improved trick play capability
US4787075A (en) * 1984-12-26 1988-11-22 Canon Kabushiki Kaisha Optical information recording medium and apparatus for recording/reproducing information using the same
JPS61233445A (ja) 1985-04-09 1986-10-17 Matsushita Electric Ind Co Ltd 光ピツクアツプ
JPS62234118A (ja) * 1986-03-20 1987-10-14 Fujitsu Ltd 光ビ−ム走査装置及びその製造方法
DE3635271C1 (de) * 1986-10-16 1987-10-29 Sick Optik Elektronik Erwin Lichtvorhangsvorrichtung
GB8722085D0 (en) * 1987-09-19 1987-10-28 Cambridge Consultants Ink jet nozzle manufacture
US4907847A (en) * 1987-09-28 1990-03-13 Nec Home Electronics Ltd. Optical pickup and hologram therefor
JPH04132024A (ja) 1990-09-21 1992-05-06 Olympus Optical Co Ltd 光学式情報記録再生装置
CA2079620A1 (en) * 1991-10-25 1993-04-26 Roeland M. T. Hekker Holographic elements for an optical recording system
US5473471A (en) * 1993-04-16 1995-12-05 Matsushita Electric Industrial Co., Ltd. Complex lens with diffraction grating
JP3358237B2 (ja) * 1993-06-10 2002-12-16 セイコーエプソン株式会社 ホログラム素子およびこれを用いた合焦検出機構
US5422753A (en) * 1993-12-23 1995-06-06 Xerox Corporation Binary diffraction optical element for controlling scanning beam intensity in a raster output scanning (ROS) optical system
EP0747893B1 (de) * 1995-06-05 2003-05-02 Nec Corporation Optische Wiedergabekopfvorrichtung für verschiedene Plattentypen
US5828643A (en) * 1995-06-20 1998-10-27 Sankyo Seiki Mfg. Co., Ltd. Optical pickup head apparatus
JPH0954971A (ja) * 1995-08-11 1997-02-25 Sony Corp 光学ピックアップおよび再生装置
US5986779A (en) * 1995-08-18 1999-11-16 Matsushita Electric Industrial Co., Ltd. Multiple focus lens, an optical head apparatus and an optical information recording-reproducing apparatus

Also Published As

Publication number Publication date
KR20010086251A (ko) 2001-09-10
WO1999042994A1 (en) 1999-08-26
KR100368493B1 (ko) 2003-01-24
EP1060472B1 (de) 2002-05-15
US7050207B1 (en) 2006-05-23
MY123260A (en) 2006-05-31
JPH11238246A (ja) 1999-08-31
CN1114205C (zh) 2003-07-09
JP3362768B2 (ja) 2003-01-07
CN1290392A (zh) 2001-04-04
TW417106B (en) 2001-01-01
EP1060472A1 (de) 2000-12-20
DE69901491T2 (de) 2002-12-19

Similar Documents

Publication Publication Date Title
DE69532074D1 (de) Optisches gitter in einem lichtwellenleiter und verfahren zur herstellung eines solchen gitters
DE69332247D1 (de) Methode zur erzeugung eines bragg-gitters in einem optischen wellenleiter
DE69132421D1 (de) Verfahren und vorrichtung zur erzeugung von digitalen, schrägen halbtonrastern
DE69810307T2 (de) Verfahren zur erzeugung von diglyceriden
DE69820663D1 (de) Verfahren zur erzeugung einer membranelektrode
DE59308317D1 (de) Verfahren zur herstellung einer hybrid integrierten optischen schaltung und vorrichtung zur emission von lichtwellen
DE3856410D1 (de) Verfahren zur Erzeugung einer Anzeige mit einem Beugungsgitterbild und durch das Verfahren erzeugte Anzeige
DE69713500D1 (de) Schichtiges medium und verfahren zur erzeugung von mustern
DE69412263D1 (de) Steckerstift, faseroptischer stecker mit einem solchen steckerstift und verfahren zur vorbereitung dieses steckerstiftes
DE69133431D1 (de) Verfahren zur herstellung eines brechungsindexgitters in einem optischen wellenleiter
DE69517855D1 (de) Verfahren zur Erzeugung einer Schwellenmatrix
DE59704275D1 (de) Rostplatte sowie Verfahren zur Herstellung einer Rostplatte
DE69702531D1 (de) Verfahren und system zur automatischen erzeugung einer steuerungszeichnung in einem echtzeit-prozesssteuerungssystem
DE69628780D1 (de) Verfahren zur Erzeugung von sicheren Kästen in einem Schlüsselverwaltungssystem
DE69832896D1 (de) Verfahren zur erzeugung von lademustern
DE69828632D1 (de) Verfahren zur herstellung von hochaktivem kalk in einem ofen
DE69901491T2 (de) Optischer abtaster mit einem hologrammraster und verfahren zur erzeugung von hologrammrastern
DE60045819D1 (de) Verfahren zur herstellung von einem faserformteil und vorrichtung dafür
DE19882625T1 (de) Verbesserte Kraftstoffzelle und Verfahren zur Verwendung einer Kraftstoffzelle
DE69324236T2 (de) Ein optisches gitter und ein verfahren zur herstellung eines optischen gitters
DE69628372D1 (de) Verfahren zur Erzeugung einer feinen Struktur und Gerät mit feiner Struktur
DE60042933D1 (de) Verfahren zur erzeugung von präambel-sequenzen in einem netzwerk mit mehrfach-kode-zugriff
DE59701193D1 (de) Verfahren zur automatischen maschinellen erzeugung von fertigungsunterlagen
DE69936912D1 (de) System und verfahren zur erzeugung von einem echtzeitsignal
DE69812998D1 (de) Verfahren zur herstellung einer platte mit einem kunststoffrahmen

Legal Events

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