IT1222105B - OPTICAL DATA SHEET, FOR READ ONLY - Google Patents

OPTICAL DATA SHEET, FOR READ ONLY

Info

Publication number
IT1222105B
IT1222105B IT21412/87A IT2141287A IT1222105B IT 1222105 B IT1222105 B IT 1222105B IT 21412/87 A IT21412/87 A IT 21412/87A IT 2141287 A IT2141287 A IT 2141287A IT 1222105 B IT1222105 B IT 1222105B
Authority
IT
Italy
Prior art keywords
read
optical data
data sheet
sheet
optical
Prior art date
Application number
IT21412/87A
Other languages
Italian (it)
Other versions
IT8721412A0 (en
Inventor
Jerome Drexler
Eric W Bouldin
Original Assignee
Drexler Tech
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 Drexler Tech filed Critical Drexler Tech
Publication of IT8721412A0 publication Critical patent/IT8721412A0/en
Application granted granted Critical
Publication of IT1222105B publication Critical patent/IT1222105B/en

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C3/00—Packages of films for inserting into cameras, e.g. roll-films, film-packs; Wrapping materials for light-sensitive plates, films or papers, e.g. materials characterised by the use of special dyes, printing inks, adhesives
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/251—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials dispersed in an organic matrix
    • 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
    • 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
    • G06K19/14—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 sensed by radiation
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Credit Cards Or The Like (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
IT21412/87A 1986-09-11 1987-07-23 OPTICAL DATA SHEET, FOR READ ONLY IT1222105B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US90611486A 1986-09-11 1986-09-11

Publications (2)

Publication Number Publication Date
IT8721412A0 IT8721412A0 (en) 1987-07-23
IT1222105B true IT1222105B (en) 1990-08-31

Family

ID=25421955

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21412/87A IT1222105B (en) 1986-09-11 1987-07-23 OPTICAL DATA SHEET, FOR READ ONLY

Country Status (5)

Country Link
KR (1) KR880701903A (en)
CA (1) CA1294706C (en)
FR (1) FR2604009B1 (en)
IT (1) IT1222105B (en)
WO (1) WO1988002134A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5667839A (en) * 1993-01-28 1997-09-16 Collagen Corporation Human recombinant collagen in the milk of transgenic animals

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5182601A (en) * 1975-01-17 1976-07-20 Sony Corp
FR2310586A1 (en) * 1975-05-07 1976-12-03 Thomson Brandt PROCESS FOR MANUFACTURING OPTICALLY READABLE INFORMATION MEDIA BY VARIATION OF ABSORPTION AND SUPPORT THUS OBTAINED
US4374911A (en) * 1978-04-28 1983-02-22 International Business Machines Corporation Photo method of making tri-level density photomask
US4270130A (en) * 1979-01-08 1981-05-26 Eastman Kodak Company Thermal deformation record device with bleachable dye
US4278756A (en) * 1979-07-06 1981-07-14 Drexler Technology Corporation Reflective data storage medium made by silver diffusion transfer
US4239338A (en) * 1979-10-22 1980-12-16 Corning Glass Works Silver halide optical information storage media
EP0039094B1 (en) * 1980-04-22 1985-06-12 Agfa-Gevaert N.V. Recording material for storage of digital information and a recording method for storage of digital information
GB2081461B (en) * 1980-07-21 1984-03-07 Drexler Tech Double-sided silver halide material
US4665004A (en) * 1981-02-27 1987-05-12 Drexler Technology Corporation Method for dual image recording of medical data
US4542288A (en) * 1981-02-27 1985-09-17 Drexler Technology Corporation Method for making a laser recordable wallet-size plastic card
US4609812A (en) * 1981-02-27 1986-09-02 Drexler Technology Corporation Prerecorded dual strip data storage card
US4503135A (en) * 1981-02-27 1985-03-05 Drexler Technology Corporation Medium for recording visual images and laser written data
US4680459A (en) * 1981-02-27 1987-07-14 Drexler Technology Corporation Updatable micrographic pocket data card
US4680458A (en) * 1981-02-27 1987-07-14 Drexler Technology Corporation Laser recording and storage medium
US4359750A (en) * 1981-04-30 1982-11-16 Eastman Kodak Company Optical disc structure
JPS57189894A (en) * 1981-05-20 1982-11-22 Fuji Photo Film Co Ltd Thermal recording material
US4387381A (en) * 1981-06-12 1983-06-07 Rca Corporation Optical recording medium and information record with tracking aid
DE3151407C1 (en) * 1981-12-24 1983-10-13 GAO Gesellschaft für Automation und Organisation mbH, 8000 München ID card and process for its manufacture
US4570252A (en) * 1982-08-09 1986-02-11 Drexler Technology Corporation Optical data retrieval system using multi-spectral light sources
US4642803A (en) * 1982-08-09 1987-02-10 Drexler Technology Corporation Optical data retrieval system for multi-characteristic reflective data storage media
NL8204291A (en) * 1982-11-05 1984-06-01 Philips Nv OPTICAL REGISTRATION ELEMENT.
US4588665A (en) * 1982-11-22 1986-05-13 Drexler Technology Corporation Micrographic film member with laser written data
US4603099A (en) * 1982-11-22 1986-07-29 Drexler Technology Corporation Method for recording motion picture images and laser written data
US4578788A (en) * 1983-06-02 1986-03-25 International Business Machines Corporation High performance optical storage medium with separate mechanical servo tracks embedded within the medium
US4634850A (en) * 1983-10-12 1987-01-06 Drexler Technology Corporation Quad density optical data system
JPS60208289A (en) * 1984-03-31 1985-10-19 Dainippon Printing Co Ltd Optical recording material
US4635076A (en) * 1985-03-14 1987-01-06 Minnesota Mining And Manufacturing Company Two-sided optical recording medium

Also Published As

Publication number Publication date
FR2604009A1 (en) 1988-03-18
IT8721412A0 (en) 1987-07-23
FR2604009B1 (en) 1992-04-17
CA1294706C (en) 1992-01-21
KR880701903A (en) 1988-11-05
WO1988002134A1 (en) 1988-03-24

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