FR2703815B1 - Portable information carrier with multiplexed holographic memory. - Google Patents

Portable information carrier with multiplexed holographic memory.

Info

Publication number
FR2703815B1
FR2703815B1 FR9304221A FR9304221A FR2703815B1 FR 2703815 B1 FR2703815 B1 FR 2703815B1 FR 9304221 A FR9304221 A FR 9304221A FR 9304221 A FR9304221 A FR 9304221A FR 2703815 B1 FR2703815 B1 FR 2703815B1
Authority
FR
France
Prior art keywords
portable information
information carrier
holographic memory
multiplexed holographic
multiplexed
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
FR9304221A
Other languages
French (fr)
Other versions
FR2703815A1 (en
Inventor
Bertrand Paul
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.)
IMAGINE TECHNOLOGIES
Original Assignee
IMAGINE TECHNOLOGIES
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 IMAGINE TECHNOLOGIES filed Critical IMAGINE TECHNOLOGIES
Priority to FR9304221A priority Critical patent/FR2703815B1/en
Publication of FR2703815A1 publication Critical patent/FR2703815A1/en
Application granted granted Critical
Publication of FR2703815B1 publication Critical patent/FR2703815B1/en
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
    • G11B7/004—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
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
    • G06K19/06046—Constructional details
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/08—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means
    • G06K19/10—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards
    • G06K19/16—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards the marking being a hologram or diffraction grating
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10554—Moving beam scanning
    • G06K7/10594—Beam path
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K2207/00—Other aspects
    • G06K2207/1018—Source control

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Holo Graphy (AREA)
FR9304221A 1993-04-06 1993-04-06 Portable information carrier with multiplexed holographic memory. Expired - Fee Related FR2703815B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9304221A FR2703815B1 (en) 1993-04-06 1993-04-06 Portable information carrier with multiplexed holographic memory.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9304221A FR2703815B1 (en) 1993-04-06 1993-04-06 Portable information carrier with multiplexed holographic memory.

Publications (2)

Publication Number Publication Date
FR2703815A1 FR2703815A1 (en) 1994-10-14
FR2703815B1 true FR2703815B1 (en) 1995-06-30

Family

ID=9445920

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9304221A Expired - Fee Related FR2703815B1 (en) 1993-04-06 1993-04-06 Portable information carrier with multiplexed holographic memory.

Country Status (1)

Country Link
FR (1) FR2703815B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7727678B2 (en) 2000-08-11 2010-06-01 Tesa Scribos Gmbh Holographic data memory

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU701056B2 (en) * 1995-07-05 1999-01-21 Yenploy Pty Ltd Optical storage system
WO1997002563A1 (en) * 1995-07-05 1997-01-23 Yenploy Pty. Ltd. Optical storage system
US7050376B2 (en) 2000-09-19 2006-05-23 Lg Electronics Inc. Optical disc player and method for reproducing thereof
DE10128902A1 (en) * 2001-06-15 2003-10-16 Tesa Scribos Gmbh Holographic data storage

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5532005A (en) * 1978-08-25 1980-03-06 Ricoh Co Ltd Hologram information memory device
JPH081538B2 (en) * 1986-05-31 1996-01-10 大日本印刷株式会社 Card and its information reading method
US4958338A (en) * 1986-12-01 1990-09-18 Miller William P Hierarchically multiplexed optical recording system for storage of digital data
CA2051193C (en) * 1990-09-14 1995-09-26 Hidetoshi Tatemichi Information recording apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7727678B2 (en) 2000-08-11 2010-06-01 Tesa Scribos Gmbh Holographic data memory

Also Published As

Publication number Publication date
FR2703815A1 (en) 1994-10-14

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse