FR695746A - Sound film and its manufacturing process - Google Patents

Sound film and its manufacturing process

Info

Publication number
FR695746A
FR695746A FR695746DA FR695746A FR 695746 A FR695746 A FR 695746A FR 695746D A FR695746D A FR 695746DA FR 695746 A FR695746 A FR 695746A
Authority
FR
France
Prior art keywords
manufacturing process
sound film
sound
film
manufacturing
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
French (fr)
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 FR695746A publication Critical patent/FR695746A/en
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)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
FR695746D 1929-05-17 1930-05-16 Sound film and its manufacturing process Expired FR695746A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US695746XA 1929-05-17 1929-05-17

Publications (1)

Publication Number Publication Date
FR695746A true FR695746A (en) 1930-12-19

Family

ID=22089897

Family Applications (1)

Application Number Title Priority Date Filing Date
FR695746D Expired FR695746A (en) 1929-05-17 1930-05-16 Sound film and its manufacturing process

Country Status (2)

Country Link
DE (1) DE571141C (en)
FR (1) FR695746A (en)

Also Published As

Publication number Publication date
DE571141C (en) 1933-03-11

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