FR693023A - Improvements to sound films - Google Patents

Improvements to sound films

Info

Publication number
FR693023A
FR693023A FR693023DA FR693023A FR 693023 A FR693023 A FR 693023A FR 693023D A FR693023D A FR 693023DA FR 693023 A FR693023 A FR 693023A
Authority
FR
France
Prior art keywords
sound films
films
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)
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.)
Kodak Pathe SA
Original Assignee
Kodak Pathe SA
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 Kodak Pathe SA filed Critical Kodak Pathe SA
Application granted granted Critical
Publication of FR693023A publication Critical patent/FR693023A/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)
FR693023D 1929-03-30 1930-03-29 Improvements to sound films Expired FR693023A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US693023XA 1929-03-30 1929-03-30

Publications (1)

Publication Number Publication Date
FR693023A true FR693023A (en) 1930-11-14

Family

ID=22088059

Family Applications (1)

Application Number Title Priority Date Filing Date
FR693023D Expired FR693023A (en) 1929-03-30 1930-03-29 Improvements to sound films

Country Status (1)

Country Link
FR (1) FR693023A (en)

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