KR100700119B1 - 홀로그래픽 기록 매체에 데이터를 기록 및 판독하는 장치 및 방법, 및 홀로그래픽 데이터 기억 시스템 - Google Patents

홀로그래픽 기록 매체에 데이터를 기록 및 판독하는 장치 및 방법, 및 홀로그래픽 데이터 기억 시스템 Download PDF

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Publication number
KR100700119B1
KR100700119B1 KR1020007012350A KR20007012350A KR100700119B1 KR 100700119 B1 KR100700119 B1 KR 100700119B1 KR 1020007012350 A KR1020007012350 A KR 1020007012350A KR 20007012350 A KR20007012350 A KR 20007012350A KR 100700119 B1 KR100700119 B1 KR 100700119B1
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South Korea
Prior art keywords
recording
reading
wavelength
holographic
optical
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Expired - Fee Related
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KR1020007012350A
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Korean (ko)
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KR20010071211A (ko
Inventor
라마누얌페.에스.
빌스테드죄렌
코파파알
로린츠에뫼크
리흐터페터
짜르바스가보르
Original Assignee
테크니칼 유니버시티 오브 덴마크
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Publication of KR20010071211A publication Critical patent/KR20010071211A/ko
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    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0065—Recording, reproducing or erasing by using optical interference patterns, e.g. holograms
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/22—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing distortions
    • 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
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/0033—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with cards or other card-like flat carriers, e.g. flat sheets of optical film
    • 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
    • G11B7/13—Optical detectors therefor
    • 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
    • G11B7/1374—Objective lenses
    • 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
    • G11B7/1395—Beam splitters or combiners
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24035—Recording layers
    • G11B7/24044—Recording layers for storing optical interference patterns, e.g. holograms; for storing data in three dimensions, e.g. volume storage
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/26—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
    • G03H1/2645—Multiplexing processes, e.g. aperture, shift, or wavefront multiplexing
    • G03H2001/2675—Phase code multiplexing, wherein the sub-holograms are multiplexed according to spatial modulation of the reference beam
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00876—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy wherein physical copy protection means are attached to the medium, e.g. holograms, sensors, or additional semiconductor circuitry
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/17—Card-like record carriers

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Holo Graphy (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Optical Head (AREA)
KR1020007012350A 1998-05-05 1999-05-04 홀로그래픽 기록 매체에 데이터를 기록 및 판독하는 장치 및 방법, 및 홀로그래픽 데이터 기억 시스템 Expired - Fee Related KR100700119B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
HU9801029A HU9801029D0 (en) 1998-05-05 1998-05-05 Method and system for recording information on a holographic card
HUP9801029 1998-05-05

Publications (2)

Publication Number Publication Date
KR20010071211A KR20010071211A (ko) 2001-07-28
KR100700119B1 true KR100700119B1 (ko) 2007-03-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020007012350A Expired - Fee Related KR100700119B1 (ko) 1998-05-05 1999-05-04 홀로그래픽 기록 매체에 데이터를 기록 및 판독하는 장치 및 방법, 및 홀로그래픽 데이터 기억 시스템

Country Status (16)

Country Link
US (1) US7315501B1 (enExample)
EP (1) EP1080466B1 (enExample)
JP (1) JP4355449B2 (enExample)
KR (1) KR100700119B1 (enExample)
CN (1) CN1308761A (enExample)
AT (1) ATE263412T1 (enExample)
AU (1) AU3840299A (enExample)
CA (1) CA2331964C (enExample)
DE (1) DE69916049T2 (enExample)
DK (1) DK1080466T3 (enExample)
ES (1) ES2219015T3 (enExample)
HK (1) HK1038825A1 (enExample)
HU (1) HU9801029D0 (enExample)
IL (1) IL139212A0 (enExample)
PT (1) PT1080466E (enExample)
WO (1) WO1999057719A1 (enExample)

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ATE263412T1 (de) 2004-04-15
IL139212A0 (en) 2001-11-25
KR20010071211A (ko) 2001-07-28
CN1308761A (zh) 2001-08-15
HK1038825A1 (zh) 2002-03-28
DE69916049D1 (de) 2004-05-06
CA2331964A1 (en) 1999-11-11
JP4355449B2 (ja) 2009-11-04
CA2331964C (en) 2009-08-04
EP1080466B1 (en) 2004-03-31
US7315501B1 (en) 2008-01-01
EP1080466A1 (en) 2001-03-07
ES2219015T3 (es) 2004-11-16
HU9801029D0 (en) 1998-06-29
DK1080466T3 (da) 2004-08-02
WO1999057719A1 (en) 1999-11-11
AU3840299A (en) 1999-11-23
DE69916049T2 (de) 2005-03-17
JP2002513981A (ja) 2002-05-14
PT1080466E (pt) 2004-08-31

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