FR552767A - Apparatus for recording and reproducing sound vibrations - Google Patents

Apparatus for recording and reproducing sound vibrations

Info

Publication number
FR552767A
FR552767A FR552767DA FR552767A FR 552767 A FR552767 A FR 552767A FR 552767D A FR552767D A FR 552767DA FR 552767 A FR552767 A FR 552767A
Authority
FR
France
Prior art keywords
recording
sound vibrations
reproducing sound
reproducing
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
Alfred John Garrod
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 FR552767A publication Critical patent/FR552767A/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
FR552767D 1921-06-17 1922-06-12 Apparatus for recording and reproducing sound vibrations Expired FR552767A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU552767X 1921-06-17

Publications (1)

Publication Number Publication Date
FR552767A true FR552767A (en) 1923-05-07

Family

ID=3741070

Family Applications (1)

Application Number Title Priority Date Filing Date
FR552767D Expired FR552767A (en) 1921-06-17 1922-06-12 Apparatus for recording and reproducing sound vibrations

Country Status (1)

Country Link
FR (1) FR552767A (en)

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