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FR731840A - Recording process for sound films - Google Patents

Recording process for sound films

Info

Publication number
FR731840A
FR731840A FR731840DA FR731840A FR 731840 A FR731840 A FR 731840A FR 731840D A FR731840D A FR 731840DA FR 731840 A FR731840 A FR 731840A
Authority
FR
France
Prior art keywords
recording process
sound films
films
sound
recording
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.)
CIE RADIO CINEMA
Original Assignee
CIE RADIO CINEMA
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 CIE RADIO CINEMA filed Critical CIE RADIO CINEMA
Application granted granted Critical
Publication of FR731840A publication Critical patent/FR731840A/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
FR731840D 1931-04-10 1931-04-10 Recording process for sound films Expired FR731840A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR731840T 1931-04-10

Publications (1)

Publication Number Publication Date
FR731840A true FR731840A (en) 1932-09-08

Family

ID=9119672

Family Applications (1)

Application Number Title Priority Date Filing Date
FR731840D Expired FR731840A (en) 1931-04-10 1931-04-10 Recording process for sound films

Country Status (1)

Country Link
FR (1) FR731840A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE976836C (en) * 1950-05-06 1964-06-04 Bauer Eugen Gmbh Optical installation of a light sound reproduction device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE976836C (en) * 1950-05-06 1964-06-04 Bauer Eugen Gmbh Optical installation of a light sound reproduction device

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