FR703645A - Improvements to the ways of recording and reproducing sound using motion pictures - Google Patents

Improvements to the ways of recording and reproducing sound using motion pictures

Info

Publication number
FR703645A
FR703645A FR703645DA FR703645A FR 703645 A FR703645 A FR 703645A FR 703645D A FR703645D A FR 703645DA FR 703645 A FR703645 A FR 703645A
Authority
FR
France
Prior art keywords
ways
recording
motion pictures
reproducing sound
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
Bailey Southwell
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 FR703645A publication Critical patent/FR703645A/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)
FR703645D 1930-10-13 1930-10-13 Improvements to the ways of recording and reproducing sound using motion pictures Expired FR703645A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR703645T 1930-10-13

Publications (1)

Publication Number Publication Date
FR703645A true FR703645A (en) 1931-05-04

Family

ID=9062484

Family Applications (1)

Application Number Title Priority Date Filing Date
FR703645D Expired FR703645A (en) 1930-10-13 1930-10-13 Improvements to the ways of recording and reproducing sound using motion pictures

Country Status (1)

Country Link
FR (1) FR703645A (en)

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