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FR711947A - Film sonore perfectionné - Google Patents

Film sonore perfectionné

Info

Publication number
FR711947A
FR711947A FR711947DA FR711947A FR 711947 A FR711947 A FR 711947A FR 711947D A FR711947D A FR 711947DA FR 711947 A FR711947 A FR 711947A
Authority
FR
France
Prior art keywords
sound film
advanced sound
advanced
film
sound
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
Other languages
English (en)
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.)
Kodak Pathe SA
Original Assignee
Kodak Pathe SA
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 Kodak Pathe SA filed Critical Kodak Pathe SA
Application granted granted Critical
Publication of FR711947A publication Critical patent/FR711947A/fr
Expired 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
    • G11B7/24—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

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Mathematical Physics (AREA)
FR711947D 1930-05-30 1930-05-30 Film sonore perfectionné Expired FR711947A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR711947T 1930-05-30

Publications (1)

Publication Number Publication Date
FR711947A true FR711947A (fr) 1931-09-21

Family

ID=9077797

Family Applications (1)

Application Number Title Priority Date Filing Date
FR711947D Expired FR711947A (fr) 1930-05-30 1930-05-30 Film sonore perfectionné

Country Status (1)

Country Link
FR (1) FR711947A (fr)

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