NO302545B1 - Optisk datalagring - Google Patents

Optisk datalagring

Info

Publication number
NO302545B1
NO302545B1 NO960957A NO960957A NO302545B1 NO 302545 B1 NO302545 B1 NO 302545B1 NO 960957 A NO960957 A NO 960957A NO 960957 A NO960957 A NO 960957A NO 302545 B1 NO302545 B1 NO 302545B1
Authority
NO
Norway
Prior art keywords
data storage
optical data
optical
storage
data
Prior art date
Application number
NO960957A
Other languages
English (en)
Other versions
NO960957D0 (no
NO960957L (no
Inventor
Hans Gude Gudesen
Original Assignee
Opticom As
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 Opticom As filed Critical Opticom As
Priority to NO960957A priority Critical patent/NO302545B1/no
Publication of NO960957D0 publication Critical patent/NO960957D0/no
Priority to AU20471/97A priority patent/AU2047197A/en
Priority to US09/142,385 priority patent/US6418092B1/en
Priority to PCT/NO1997/000067 priority patent/WO1997033275A1/en
Publication of NO960957L publication Critical patent/NO960957L/no
Publication of NO302545B1 publication Critical patent/NO302545B1/no

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
    • 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
    • G11B7/004—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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
NO960957A 1996-03-07 1996-03-07 Optisk datalagring NO302545B1 (no)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NO960957A NO302545B1 (no) 1996-03-07 1996-03-07 Optisk datalagring
AU20471/97A AU2047197A (en) 1996-03-07 1997-03-06 Methods for optical data storage and apparatus for same
US09/142,385 US6418092B1 (en) 1996-03-07 1997-03-06 Methods for optical data storage and apparatus for same
PCT/NO1997/000067 WO1997033275A1 (en) 1996-03-07 1997-03-06 Methods for optical data storage and apparatus for same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO960957A NO302545B1 (no) 1996-03-07 1996-03-07 Optisk datalagring

Publications (3)

Publication Number Publication Date
NO960957D0 NO960957D0 (no) 1996-03-07
NO960957L NO960957L (no) 1997-09-08
NO302545B1 true NO302545B1 (no) 1998-03-16

Family

ID=19899128

Family Applications (1)

Application Number Title Priority Date Filing Date
NO960957A NO302545B1 (no) 1996-03-07 1996-03-07 Optisk datalagring

Country Status (4)

Country Link
US (1) US6418092B1 (no)
AU (1) AU2047197A (no)
NO (1) NO302545B1 (no)
WO (1) WO1997033275A1 (no)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5910940A (en) * 1996-10-08 1999-06-08 Polaroid Corporation Storage medium having a layer of micro-optical lenses each lens generating an evanescent field
US8009348B2 (en) 1999-05-03 2011-08-30 E Ink Corporation Machine-readable displays
AU2003276618A1 (en) * 2002-12-18 2004-07-09 Koninklijke Philips Electronics N.V. Storage medium for the optical storage and retrieval of information
WO2004055797A1 (en) * 2002-12-18 2004-07-01 Koninklijke Philips Electronics N.V. Storage medium for the optical storage and retrieval of information
WO2005052945A1 (en) * 2003-11-28 2005-06-09 Koninklijke Philips Electronics N.V. Magneto-optical storage medium
JP2005251240A (ja) * 2004-03-01 2005-09-15 Canon Inc 光学的記録再生装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3902788A (en) 1974-03-13 1975-09-02 Minnesota Mining & Mfg Optical memory system for reading, writing and erasing information
US4550249A (en) * 1983-04-21 1985-10-29 At&T Bell Laboratories Optical disc read/write apparatus
US4633445A (en) 1984-12-14 1986-12-30 Xerox Corporation Eraseable solid state optical memories
NO179886C (no) 1990-01-31 1997-01-08 Dyno Particles As Datalagringsmedium og fremgangsmåter for inn- og utlesning av data
US5379266A (en) * 1991-12-30 1995-01-03 Information Optics Corporation Optical random access memory
US5483511A (en) 1993-02-17 1996-01-09 Vixel Corporation Multiple beam optical memory system with solid-state lasers
US5764603A (en) * 1995-04-25 1998-06-09 M.M.R.I. Photonics Ltd. Two-dimensional Random Access Scanner for optical disks
NO302987B1 (no) 1995-07-18 1998-05-11 Opticom As Optisk logisk element og fremgangsmåter til henholdsvis dets preparering og optiske adressering, samt anvendelse derav i en optisk logisk innretning
US5754514A (en) * 1996-10-08 1998-05-19 Polaroid Corporation Phase controlled evanescent field systems and methods for optical recording and retrieval
US5910940A (en) * 1996-10-08 1999-06-08 Polaroid Corporation Storage medium having a layer of micro-optical lenses each lens generating an evanescent field
US6078468A (en) * 1997-05-01 2000-06-20 Fiske; Orlo James Data storage and/or retrieval methods and apparatuses and components thereof

Also Published As

Publication number Publication date
NO960957D0 (no) 1996-03-07
AU2047197A (en) 1997-09-22
US6418092B1 (en) 2002-07-09
WO1997033275A1 (en) 1997-09-12
NO960957L (no) 1997-09-08

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application