FR552246A - Device for photographic recording of acoustic vibrations - Google Patents

Device for photographic recording of acoustic vibrations

Info

Publication number
FR552246A
FR552246A FR552246DA FR552246A FR 552246 A FR552246 A FR 552246A FR 552246D A FR552246D A FR 552246DA FR 552246 A FR552246 A FR 552246A
Authority
FR
France
Prior art keywords
acoustic vibrations
photographic recording
photographic
recording
vibrations
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
Roger Saint-Martin
Andre-Paul Serf
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 FR552246A publication Critical patent/FR552246A/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
FR552246D 1921-10-26 1921-10-26 Device for photographic recording of acoustic vibrations Expired FR552246A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR552246T 1921-10-26

Publications (1)

Publication Number Publication Date
FR552246A true FR552246A (en) 1923-04-26

Family

ID=8937448

Family Applications (1)

Application Number Title Priority Date Filing Date
FR552246D Expired FR552246A (en) 1921-10-26 1921-10-26 Device for photographic recording of acoustic vibrations

Country Status (1)

Country Link
FR (1) FR552246A (en)

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