FR568739A - Film for cinematographic phono-scenes - Google Patents

Film for cinematographic phono-scenes

Info

Publication number
FR568739A
FR568739A FR568739DA FR568739A FR 568739 A FR568739 A FR 568739A FR 568739D A FR568739D A FR 568739DA FR 568739 A FR568739 A FR 568739A
Authority
FR
France
Prior art keywords
phono
cinematographic
scenes
film
cinematographic phono
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
Lee De Forest
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 FR568739A publication Critical patent/FR568739A/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
FR568739D 1923-04-28 1923-07-17 Film for cinematographic phono-scenes Expired FR568739A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US568739XA 1923-04-28 1923-04-28

Publications (1)

Publication Number Publication Date
FR568739A true FR568739A (en) 1924-03-31

Family

ID=22007088

Family Applications (1)

Application Number Title Priority Date Filing Date
FR568739D Expired FR568739A (en) 1923-04-28 1923-07-17 Film for cinematographic phono-scenes

Country Status (1)

Country Link
FR (1) FR568739A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2666802A (en) * 1950-11-21 1954-01-19 Olin Ind Inc Lamellate flat cell

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2666802A (en) * 1950-11-21 1954-01-19 Olin Ind Inc Lamellate flat cell

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