FR720379A - Apparatus for recording or reproducing sound films - Google Patents

Apparatus for recording or reproducing sound films

Info

Publication number
FR720379A
FR720379A FR720379DA FR720379A FR 720379 A FR720379 A FR 720379A FR 720379D A FR720379D A FR 720379DA FR 720379 A FR720379 A FR 720379A
Authority
FR
France
Prior art keywords
recording
reproducing sound
sound films
films
reproducing
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
Frederick Brown
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 FR720379A publication Critical patent/FR720379A/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)
FR720379D 1931-04-30 1931-07-21 Apparatus for recording or reproducing sound films Expired FR720379A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB720379X 1931-04-30

Publications (1)

Publication Number Publication Date
FR720379A true FR720379A (en) 1932-02-18

Family

ID=10494911

Family Applications (1)

Application Number Title Priority Date Filing Date
FR720379D Expired FR720379A (en) 1931-04-30 1931-07-21 Apparatus for recording or reproducing sound films

Country Status (1)

Country Link
FR (1) FR720379A (en)

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