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FR682523A - Method and device for projecting sound films - Google Patents

Method and device for projecting sound films

Info

Publication number
FR682523A
FR682523A FR682523DA FR682523A FR 682523 A FR682523 A FR 682523A FR 682523D A FR682523D A FR 682523DA FR 682523 A FR682523 A FR 682523A
Authority
FR
France
Prior art keywords
projecting sound
sound films
films
projecting
sound
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
Carl Robert Blum
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 FR682523A publication Critical patent/FR682523A/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)
FR682523D 1929-09-30 1929-09-30 Method and device for projecting sound films Expired FR682523A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR682523T 1929-09-30

Publications (1)

Publication Number Publication Date
FR682523A true FR682523A (en) 1930-05-28

Family

ID=9023383

Family Applications (1)

Application Number Title Priority Date Filing Date
FR682523D Expired FR682523A (en) 1929-09-30 1929-09-30 Method and device for projecting sound films

Country Status (1)

Country Link
FR (1) FR682523A (en)

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