FR530920A - Improvements in cinematographs and related apparatus - Google Patents

Improvements in cinematographs and related apparatus

Info

Publication number
FR530920A
FR530920A FR530920DA FR530920A FR 530920 A FR530920 A FR 530920A FR 530920D A FR530920D A FR 530920DA FR 530920 A FR530920 A FR 530920A
Authority
FR
France
Prior art keywords
cinematographs
related apparatus
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
Lydell Sawyer
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 FR530920A publication Critical patent/FR530920A/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
    • G03B31/02—Associated working of cameras or projectors with sound-recording or sound-reproducing means in which sound track is on a moving-picture film

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR530920D 1919-09-10 1920-09-09 Improvements in cinematographs and related apparatus Expired FR530920A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB530920X 1919-09-10

Publications (1)

Publication Number Publication Date
FR530920A true FR530920A (en) 1922-01-04

Family

ID=10466606

Family Applications (1)

Application Number Title Priority Date Filing Date
FR530920D Expired FR530920A (en) 1919-09-10 1920-09-09 Improvements in cinematographs and related apparatus

Country Status (1)

Country Link
FR (1) FR530920A (en)

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