FR647101A - Automatic firewall for cinematographic devices - Google Patents

Automatic firewall for cinematographic devices

Info

Publication number
FR647101A
FR647101A FR647101DA FR647101A FR 647101 A FR647101 A FR 647101A FR 647101D A FR647101D A FR 647101DA FR 647101 A FR647101 A FR 647101A
Authority
FR
France
Prior art keywords
automatic firewall
cinematographic
devices
cinematographic devices
firewall
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
Victor Continsouza
Maurice-Baptiste Combes
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 FR647101A publication Critical patent/FR647101A/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)
FR647101D 1927-05-24 1927-05-24 Automatic firewall for cinematographic devices Expired FR647101A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR647101T 1927-05-24

Publications (1)

Publication Number Publication Date
FR647101A true FR647101A (en) 1928-11-20

Family

ID=9001858

Family Applications (1)

Application Number Title Priority Date Filing Date
FR647101D Expired FR647101A (en) 1927-05-24 1927-05-24 Automatic firewall for cinematographic devices

Country Status (1)

Country Link
FR (1) FR647101A (en)

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