FR696280A - Safety device for cinematographs - Google Patents

Safety device for cinematographs

Info

Publication number
FR696280A
FR696280A FR696280DA FR696280A FR 696280 A FR696280 A FR 696280A FR 696280D A FR696280D A FR 696280DA FR 696280 A FR696280 A FR 696280A
Authority
FR
France
Prior art keywords
cinematographs
safety device
safety
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
Auguste Bechaz
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 FR696280A publication Critical patent/FR696280A/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)
FR696280D 1930-05-26 1930-05-26 Safety device for cinematographs Expired FR696280A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR696280T 1930-05-26

Publications (1)

Publication Number Publication Date
FR696280A true FR696280A (en) 1930-12-29

Family

ID=9046579

Family Applications (1)

Application Number Title Priority Date Filing Date
FR696280D Expired FR696280A (en) 1930-05-26 1930-05-26 Safety device for cinematographs

Country Status (1)

Country Link
FR (1) FR696280A (en)

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