FR497252A - Photo-phonographic camera - Google Patents

Photo-phonographic camera

Info

Publication number
FR497252A
FR497252A FR497252DA FR497252A FR 497252 A FR497252 A FR 497252A FR 497252D A FR497252D A FR 497252DA FR 497252 A FR497252 A FR 497252A
Authority
FR
France
Prior art keywords
phonographic
photo
camera
phonographic camera
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
Alberto De Bary
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR497252A publication Critical patent/FR497252A/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
FR497252D 1918-12-04 1918-12-04 Photo-phonographic camera Expired FR497252A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR497252T 1918-12-04

Publications (1)

Publication Number Publication Date
FR497252A true FR497252A (en) 1919-12-02

Family

ID=1532597

Family Applications (1)

Application Number Title Priority Date Filing Date
FR497252D Expired FR497252A (en) 1918-12-04 1918-12-04 Photo-phonographic camera

Country Status (1)

Country Link
FR (1) FR497252A (en)

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