PT1080466E - Sistema e metodo para a gravacao de informacao num meio de gravacao holografico de preferencia um cartao optico - Google Patents

Sistema e metodo para a gravacao de informacao num meio de gravacao holografico de preferencia um cartao optico

Info

Publication number
PT1080466E
PT1080466E PT99921028T PT99921028T PT1080466E PT 1080466 E PT1080466 E PT 1080466E PT 99921028 T PT99921028 T PT 99921028T PT 99921028 T PT99921028 T PT 99921028T PT 1080466 E PT1080466 E PT 1080466E
Authority
PT
Portugal
Prior art keywords
recording
information
optical card
write
holografic
Prior art date
Application number
PT99921028T
Other languages
English (en)
Inventor
Soren Hvilsted
P S Ramanujam
Pal Koppa
Emoke Lorincz
Peter Richter
Gabor Szarvas
Original Assignee
Optilink Ab
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 Optilink Ab filed Critical Optilink Ab
Publication of PT1080466E publication Critical patent/PT1080466E/pt

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
    • G11B7/004—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

Landscapes

  • 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)
PT99921028T 1998-05-05 1999-05-04 Sistema e metodo para a gravacao de informacao num meio de gravacao holografico de preferencia um cartao optico PT1080466E (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
PT1080466E true PT1080466E (pt) 2004-08-31

Family

ID=89996514

Family Applications (1)

Application Number Title Priority Date Filing Date
PT99921028T PT1080466E (pt) 1998-05-05 1999-05-04 Sistema e metodo para a gravacao de informacao num meio de gravacao holografico de preferencia um cartao optico

Country Status (16)

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

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HU9801029D0 (en) 1998-05-05 1998-06-29 Optilink Ab Method and system for recording information on a holographic card
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Also Published As

Publication number Publication date
WO1999057719A1 (en) 1999-11-11
DK1080466T3 (da) 2004-08-02
US7315501B1 (en) 2008-01-01
JP4355449B2 (ja) 2009-11-04
IL139212A0 (en) 2001-11-25
CN1308761A (zh) 2001-08-15
CA2331964C (en) 2009-08-04
JP2002513981A (ja) 2002-05-14
CA2331964A1 (en) 1999-11-11
ES2219015T3 (es) 2004-11-16
AU3840299A (en) 1999-11-23
EP1080466B1 (en) 2004-03-31
KR100700119B1 (ko) 2007-03-28
DE69916049D1 (de) 2004-05-06
HK1038825A1 (zh) 2002-03-28
HU9801029D0 (en) 1998-06-29
KR20010071211A (ko) 2001-07-28
ATE263412T1 (de) 2004-04-15
EP1080466A1 (en) 2001-03-07
DE69916049T2 (de) 2005-03-17

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