FR671059A - Photographic sound recording process - Google Patents

Photographic sound recording process

Info

Publication number
FR671059A
FR671059A FR671059DA FR671059A FR 671059 A FR671059 A FR 671059A FR 671059D A FR671059D A FR 671059DA FR 671059 A FR671059 A FR 671059A
Authority
FR
France
Prior art keywords
recording process
sound recording
photographic sound
photographic
sound
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
Georges-Alexandre-Ce Laudet
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 FR671059A publication Critical patent/FR671059A/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
FR671059D 1929-03-07 1929-03-07 Photographic sound recording process Expired FR671059A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR671059T 1929-03-07

Publications (1)

Publication Number Publication Date
FR671059A true FR671059A (en) 1929-12-09

Family

ID=9016755

Family Applications (1)

Application Number Title Priority Date Filing Date
FR671059D Expired FR671059A (en) 1929-03-07 1929-03-07 Photographic sound recording process

Country Status (1)

Country Link
FR (1) FR671059A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE741332C (en) * 1931-09-30 1943-11-10 Philips Miller N V Device for cutting out an optically reproduced vibration recording from a carrier
DE741841C (en) * 1936-09-19 1943-11-18 Klangfilm G M B H Multi-channel recording of tones or sound streams
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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE741332C (en) * 1931-09-30 1943-11-10 Philips Miller N V Device for cutting out an optically reproduced vibration recording from a carrier
DE940377C (en) * 1932-04-09 1956-03-15 Telefunken Gmbh Process for producing background noise-free optical sound recordings in multi-point script
DE741841C (en) * 1936-09-19 1943-11-18 Klangfilm G M B H Multi-channel recording of tones or sound streams

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