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FR38657E - Process for recording sounds on cinematographic film - Google Patents

Process for recording sounds on cinematographic film

Info

Publication number
FR38657E
FR38657E FR38657DA FR38657E FR 38657 E FR38657 E FR 38657E FR 38657D A FR38657D A FR 38657DA FR 38657 E FR38657 E FR 38657E
Authority
FR
France
Prior art keywords
cinematographic film
recording sounds
sounds
recording
cinematographic
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)
Inventor
Francis Morton Johnson
Adelaide Faucon
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 FR38657E publication Critical patent/FR38657E/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
FR38657D 1930-06-16 1930-06-16 Process for recording sounds on cinematographic film Expired FR38657E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR38657T 1930-06-16

Publications (1)

Publication Number Publication Date
FR38657E true FR38657E (en) 1931-06-26

Family

ID=8675127

Family Applications (1)

Application Number Title Priority Date Filing Date
FR38657D Expired FR38657E (en) 1930-06-16 1930-06-16 Process for recording sounds on cinematographic film

Country Status (1)

Country Link
FR (1) FR38657E (en)

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