FR1450131A - Method for recording and reproducing information on a recording medium - Google Patents

Method for recording and reproducing information on a recording medium

Info

Publication number
FR1450131A
FR1450131A FR34924A FR34924A FR1450131A FR 1450131 A FR1450131 A FR 1450131A FR 34924 A FR34924 A FR 34924A FR 34924 A FR34924 A FR 34924A FR 1450131 A FR1450131 A FR 1450131A
Authority
FR
France
Prior art keywords
recording
reproducing information
recording medium
medium
reproducing
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
Application number
FR34924A
Other languages
French (fr)
Inventor
Andre Etienne De Rudnay
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 filed Critical
Application granted granted Critical
Publication of FR1450131A publication Critical patent/FR1450131A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C13/00Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
    • G11C13/048Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using other optical storage elements
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/03Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by deforming with non-mechanical means, e.g. laser, beam of particles
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0055Erasing
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B9/00Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Optical Recording Or Reproduction (AREA)
FR34924A 1964-10-15 1965-10-14 Method for recording and reproducing information on a recording medium Expired FR1450131A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DER0039013 1964-10-15
DER0039014 1964-10-15

Publications (1)

Publication Number Publication Date
FR1450131A true FR1450131A (en) 1966-05-06

Family

ID=25991829

Family Applications (2)

Application Number Title Priority Date Filing Date
FR34925A Expired FR1450132A (en) 1964-10-15 1965-10-14 Method for recording, reproducing and erasing information on recording media
FR34924A Expired FR1450131A (en) 1964-10-15 1965-10-14 Method for recording and reproducing information on a recording medium

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR34925A Expired FR1450132A (en) 1964-10-15 1965-10-14 Method for recording, reproducing and erasing information on recording media

Country Status (3)

Country Link
DE (2) DE1449852A1 (en)
FR (2) FR1450132A (en)
GB (2) GB1093436A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1628080A1 (en) * 1986-02-07 1991-02-15 Институт Проблем Моделирования В Энергетике Ан Усср Method for restoring the working layer in optical recording media
BE1000802A4 (en) * 1987-08-06 1989-04-11 Akad Nauk Sssr Optical disc data recording technique - by use of laser to induce formation of deposit on photosensitive recording medium

Also Published As

Publication number Publication date
DE1449852A1 (en) 1970-08-06
FR1450132A (en) 1966-05-06
DE1449851A1 (en) 1970-07-23
GB1093436A (en) 1967-12-06
GB1093437A (en) 1967-12-06

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