FR706945A - Sound film and method for recording and printing sound films - Google Patents

Sound film and method for recording and printing sound films

Info

Publication number
FR706945A
FR706945A FR706945DA FR706945A FR 706945 A FR706945 A FR 706945A FR 706945D A FR706945D A FR 706945DA FR 706945 A FR706945 A FR 706945A
Authority
FR
France
Prior art keywords
sound
recording
printing
films
film
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
Arnold Poulsen
Axel Carl Georg Petersen
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 FR706945A publication Critical patent/FR706945A/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
FR706945D 1930-09-26 1930-11-29 Sound film and method for recording and printing sound films Expired FR706945A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE706945X 1930-09-26

Publications (1)

Publication Number Publication Date
FR706945A true FR706945A (en) 1931-07-01

Family

ID=6617280

Family Applications (1)

Application Number Title Priority Date Filing Date
FR706945D Expired FR706945A (en) 1930-09-26 1930-11-29 Sound film and method for recording and printing sound films

Country Status (1)

Country Link
FR (1) FR706945A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE940377C (en) * 1932-04-09 1956-03-15 Telefunken Gmbh Process for producing background noise-free optical sound recordings in multi-point script

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE940377C (en) * 1932-04-09 1956-03-15 Telefunken Gmbh Process for producing background noise-free optical sound recordings in multi-point script

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