FR698069A - Fire protection device for projectlon cinematographic devices - Google Patents

Fire protection device for projectlon cinematographic devices

Info

Publication number
FR698069A
FR698069A FR698069DA FR698069A FR 698069 A FR698069 A FR 698069A FR 698069D A FR698069D A FR 698069DA FR 698069 A FR698069 A FR 698069A
Authority
FR
France
Prior art keywords
projectlon
protection device
fire protection
cinematographic
devices
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
Ludwig Ohr
Heinrich Pabst
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 FR698069A publication Critical patent/FR698069A/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)
FR698069D 1930-06-26 1930-06-26 Fire protection device for projectlon cinematographic devices Expired FR698069A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR698069T 1930-06-26

Publications (1)

Publication Number Publication Date
FR698069A true FR698069A (en) 1931-01-27

Family

ID=9047501

Family Applications (1)

Application Number Title Priority Date Filing Date
FR698069D Expired FR698069A (en) 1930-06-26 1930-06-26 Fire protection device for projectlon cinematographic devices

Country Status (1)

Country Link
FR (1) FR698069A (en)

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