FR677241A - Coupling device for cinematographic devices - Google Patents

Coupling device for cinematographic devices

Info

Publication number
FR677241A
FR677241A FR677241DA FR677241A FR 677241 A FR677241 A FR 677241A FR 677241D A FR677241D A FR 677241DA FR 677241 A FR677241 A FR 677241A
Authority
FR
France
Prior art keywords
coupling device
cinematographic
devices
cinematographic devices
coupling
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
Enrico Comoni
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 FR677241A publication Critical patent/FR677241A/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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/18—Fire preventing or extinguishing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR677241D 1929-06-24 1929-06-24 Coupling device for cinematographic devices Expired FR677241A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR677241T 1929-06-24

Publications (1)

Publication Number Publication Date
FR677241A true FR677241A (en) 1930-03-05

Family

ID=9020335

Family Applications (1)

Application Number Title Priority Date Filing Date
FR677241D Expired FR677241A (en) 1929-06-24 1929-06-24 Coupling device for cinematographic devices

Country Status (1)

Country Link
FR (1) FR677241A (en)

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