NL7900205A - OPTICAL INFORMATION CARRIER. - Google Patents

OPTICAL INFORMATION CARRIER.

Info

Publication number
NL7900205A
NL7900205A NL7900205A NL7900205A NL7900205A NL 7900205 A NL7900205 A NL 7900205A NL 7900205 A NL7900205 A NL 7900205A NL 7900205 A NL7900205 A NL 7900205A NL 7900205 A NL7900205 A NL 7900205A
Authority
NL
Netherlands
Prior art keywords
optical information
information carrier
carrier
optical
information
Prior art date
Application number
NL7900205A
Other languages
Dutch (nl)
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of NL7900205A publication Critical patent/NL7900205A/en

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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
NL7900205A 1978-01-13 1979-01-10 OPTICAL INFORMATION CARRIER. NL7900205A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP199278A JPS5496002A (en) 1978-01-13 1978-01-13 Information recording plate

Publications (1)

Publication Number Publication Date
NL7900205A true NL7900205A (en) 1979-07-17

Family

ID=11516956

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7900205A NL7900205A (en) 1978-01-13 1979-01-10 OPTICAL INFORMATION CARRIER.

Country Status (2)

Country Link
JP (1) JPS5496002A (en)
NL (1) NL7900205A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010017A1 (en) * 1978-09-29 1980-04-16 Thomson-Csf Protected optical disk
EP0024194A1 (en) * 1979-08-20 1981-02-25 Discovision Associates Optical record disc and method of making it
EP0033046A1 (en) * 1980-01-23 1981-08-05 Thomson-Csf Method for the thermo-optical recording of data and record carrier to carry out this method
EP0060017A1 (en) * 1981-03-05 1982-09-15 Minnesota Mining And Manufacturing Company Stretched-film optical recording disc
EP0089874A1 (en) * 1982-03-23 1983-09-28 Thomson-Csf Covered optical disc with a flexible sealing component
EP0118146A1 (en) * 1983-02-09 1984-09-12 Koninklijke Philips Electronics N.V. Optically readable storage disc
EP0049813B1 (en) * 1980-10-09 1986-01-08 Kabushiki Kaisha Toshiba Data recording medium and manufacturing method therefor
EP0063439B1 (en) * 1981-04-10 1986-08-06 Sony Corporation Optically readable record carriers
EP0049821B1 (en) * 1980-10-09 1987-04-15 Kabushiki Kaisha Toshiba Data recording medium

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2474222A1 (en) * 1980-01-23 1981-07-24 Thomson Csf METHOD FOR THERMO-OPTICAL INFORMATION REGISTRATION AND INFORMATION CARRIER FOR IMPLEMENTING SAID METHOD
JPS5738339U (en) * 1980-08-06 1982-03-01
JPS5774843A (en) * 1980-10-24 1982-05-11 Mitsubishi Electric Corp Optical information recording disk and its recording device
JPS5774842A (en) * 1980-10-24 1982-05-11 Mitsubishi Electric Corp Optical information recording disk
FR2524187A1 (en) * 1982-03-23 1983-09-30 Thomson Csf HUMIDITY PROTECTED OPTICAL DISC
JPS58155639U (en) * 1982-04-13 1983-10-18 ティーディーケイ株式会社 optical card
JPS59151345A (en) * 1983-02-03 1984-08-29 Toshiba Corp Information storage medium
JPS6145732U (en) * 1984-08-30 1986-03-26 パイオニア株式会社 information recording medium

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4074282A (en) * 1976-05-13 1978-02-14 North American Philips Corporation Radiation-sensitive record with protected sensitive surface

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010017A1 (en) * 1978-09-29 1980-04-16 Thomson-Csf Protected optical disk
EP0024194A1 (en) * 1979-08-20 1981-02-25 Discovision Associates Optical record disc and method of making it
EP0033046A1 (en) * 1980-01-23 1981-08-05 Thomson-Csf Method for the thermo-optical recording of data and record carrier to carry out this method
EP0049813B1 (en) * 1980-10-09 1986-01-08 Kabushiki Kaisha Toshiba Data recording medium and manufacturing method therefor
EP0049821B1 (en) * 1980-10-09 1987-04-15 Kabushiki Kaisha Toshiba Data recording medium
EP0060017A1 (en) * 1981-03-05 1982-09-15 Minnesota Mining And Manufacturing Company Stretched-film optical recording disc
EP0063439B1 (en) * 1981-04-10 1986-08-06 Sony Corporation Optically readable record carriers
EP0089874A1 (en) * 1982-03-23 1983-09-28 Thomson-Csf Covered optical disc with a flexible sealing component
FR2524186A1 (en) * 1982-03-23 1983-09-30 Thomson Csf PROTECTED OPTICAL DISC COMPRISING A FLEXIBLE CLOSING ELEMENT
US4551733A (en) * 1982-03-23 1985-11-05 Thomson Csf Protected optical disc comprising a flexible closure element
EP0118146A1 (en) * 1983-02-09 1984-09-12 Koninklijke Philips Electronics N.V. Optically readable storage disc

Also Published As

Publication number Publication date
JPS5496002A (en) 1979-07-30

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