FR706486A - Process for photographic recording of sound waves on films - Google Patents

Process for photographic recording of sound waves on films

Info

Publication number
FR706486A
FR706486A FR706486DA FR706486A FR 706486 A FR706486 A FR 706486A FR 706486D A FR706486D A FR 706486DA FR 706486 A FR706486 A FR 706486A
Authority
FR
France
Prior art keywords
films
sound waves
photographic recording
photographic
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)
Inventor
Robert Mace
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 FR706486A publication Critical patent/FR706486A/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
FR706486D 1930-02-26 1930-02-26 Process for photographic recording of sound waves on films Expired FR706486A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR706486T 1930-02-26

Publications (1)

Publication Number Publication Date
FR706486A true FR706486A (en) 1931-06-24

Family

ID=9067800

Family Applications (1)

Application Number Title Priority Date Filing Date
FR706486D Expired FR706486A (en) 1930-02-26 1930-02-26 Process for photographic recording of sound waves on films

Country Status (1)

Country Link
FR (1) FR706486A (en)

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