FR690463A - Phonographic film - Google Patents

Phonographic film

Info

Publication number
FR690463A
FR690463A FR690463DA FR690463A FR 690463 A FR690463 A FR 690463A FR 690463D A FR690463D A FR 690463DA FR 690463 A FR690463 A FR 690463A
Authority
FR
France
Prior art keywords
phonographic
film
phonographic film
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
Gauthron
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 FR690463A publication Critical patent/FR690463A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B31/00—Associated working of cameras or projectors with sound-recording or sound-reproducing means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR690463D 1930-02-22 1930-02-22 Phonographic film Expired FR690463A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR690463T 1930-02-22

Publications (1)

Publication Number Publication Date
FR690463A true FR690463A (en) 1930-09-20

Family

ID=9029499

Family Applications (1)

Application Number Title Priority Date Filing Date
FR690463D Expired FR690463A (en) 1930-02-22 1930-02-22 Phonographic film

Country Status (1)

Country Link
FR (1) FR690463A (en)

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