DE4140545A1 - Optisches signalabnehmergeraet mit einer hologrammvorrichtung - Google Patents

Optisches signalabnehmergeraet mit einer hologrammvorrichtung

Info

Publication number
DE4140545A1
DE4140545A1 DE4140545A DE4140545A DE4140545A1 DE 4140545 A1 DE4140545 A1 DE 4140545A1 DE 4140545 A DE4140545 A DE 4140545A DE 4140545 A DE4140545 A DE 4140545A DE 4140545 A1 DE4140545 A1 DE 4140545A1
Authority
DE
Germany
Prior art keywords
hologram
beams
order
beam splitter
hologram device
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.)
Ceased
Application number
DE4140545A
Other languages
German (de)
English (en)
Inventor
Kee Young Kwon
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of DE4140545A1 publication Critical patent/DE4140545A1/de
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • G11B7/08—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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
DE4140545A 1991-09-19 1991-12-09 Optisches signalabnehmergeraet mit einer hologrammvorrichtung Ceased DE4140545A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910016326A KR950001073B1 (ko) 1991-09-19 1991-09-19 홀로그램(Hologram) 소자를 이용한 광 픽업 장치

Publications (1)

Publication Number Publication Date
DE4140545A1 true DE4140545A1 (de) 1993-04-01

Family

ID=19320124

Family Applications (1)

Application Number Title Priority Date Filing Date
DE4140545A Ceased DE4140545A1 (de) 1991-09-19 1991-12-09 Optisches signalabnehmergeraet mit einer hologrammvorrichtung

Country Status (3)

Country Link
JP (1) JPH05101436A (ko)
KR (1) KR950001073B1 (ko)
DE (1) DE4140545A1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6017657A (en) * 1997-11-26 2000-01-25 Bridgestone Graphic Technologies, Inc. Method for embossing holograms into aluminum and other hard substrates

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5016954A (en) * 1987-09-28 1991-05-21 Nec Home Electronics Ltd. Optical pickup and hologram therefor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62124635A (ja) * 1985-11-25 1987-06-05 Toshiba Corp 光ピツクアツプヘツド
JPS6376119A (ja) * 1986-09-19 1988-04-06 Hitachi Ltd 光ピツクアツプ
JPH01303639A (ja) * 1988-05-31 1989-12-07 Nec Home Electron Ltd ホログラム光ヘッド

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5016954A (en) * 1987-09-28 1991-05-21 Nec Home Electronics Ltd. Optical pickup and hologram therefor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6017657A (en) * 1997-11-26 2000-01-25 Bridgestone Graphic Technologies, Inc. Method for embossing holograms into aluminum and other hard substrates

Also Published As

Publication number Publication date
KR950001073B1 (ko) 1995-02-08
JPH05101436A (ja) 1993-04-23

Similar Documents

Publication Publication Date Title
DE2652790C2 (de) Optisches Lesegerät
DE19513273B4 (de) Opto-magnetische Kopfanordnung
DE3035719C2 (ko)
DE2746334C2 (de) Vorrichtung zum Lesen von auf einem reflektierenden Aufzeichnungsträger enthaltenen optisch feststellbaren Zeichen
DE3522849C2 (ko)
DE4446325C2 (de) Optische Abtastvorrichtung
DE3931755C2 (de) Wegmeßgeber
DE2659618C2 (de) Fokussierungsfehlerkorrekturanordnung für einen optischen Leser
DE4218642C2 (de) Plattenförmiger Strahlteiler und optisches System zum Abtasten eines optomagnetischen Aufzeichnungsträgers mit diesem Strahlteiler
CH623147A5 (ko)
DD281673A5 (de) Optische abtastvorrichtung, fuer anwendung in dieser vorrichtung geeignetes spiegelobjektiv und damit ausgeruestetes, optisches aufzeichnungs- und/oder wiedergabegeraet
DE3445751A1 (de) Einrichtung zum halten mehrerer lichtstrahlen in vorbestimmten relativen lagen
DE19705750C2 (de) Objektivlinsenvorrichtung, mit dieser versehener optischer Aufnehmer sowie Verfahren zur Herstellung einer Objektivlinse
DE3132804C2 (de) Verfahren zum Erzeugen eines Fokussierfehlersignals eines Objektivs sowie eine Vorrichtung zur Durchführung dieses Verfahrens
DE3507139C2 (ko)
DE60129178T2 (de) Optisches Abtastgerät, Neigungserkennungsvorrichtung, Neigungserkennungsverfahren, und optisches Plattengerät
DE10020622C2 (de) Optischer Aufnehmer
DE69923405T2 (de) Optischer Aufzeichnungs/Abtastkopf für digital versatile disc (DVD)
DE3635143C2 (ko)
DE10210237A1 (de) Objektivlinse für einen optischen Abnehmer
EP0309675B1 (de) Verfahren zur Dämpfung des Rauschens für eine optische Abtastvorrichtung
DE3011176A1 (de) Aufzeichnungstraeger mit einer optisch auslesbaren informationsstruktur
DE69631281T2 (de) Optische Abtastvorrichtung zur Wiedergabe von unterschiedlichen optischen Platten
DE2504229A1 (de) Vorrichtung zum auslesen eines aufzeichnungstraegers, auf dem information in einer optisch auslesbaren struktur angebracht ist
DE3828461C2 (de) Verfahren und Einrichtung zur optischen Aufzeichnung und/oder Wiedergabe von Information auf einem Aufzeichnungsmedium

Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8131 Rejection