FR682321A - Security shutter for cinematographic projection booths - Google Patents

Security shutter for cinematographic projection booths

Info

Publication number
FR682321A
FR682321A FR682321DA FR682321A FR 682321 A FR682321 A FR 682321A FR 682321D A FR682321D A FR 682321DA FR 682321 A FR682321 A FR 682321A
Authority
FR
France
Prior art keywords
security shutter
cinematographic projection
projection booths
booths
cinematographic
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
Louis-Richard Aylmer
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 FR682321A publication Critical patent/FR682321A/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)
FR682321D 1929-09-26 1929-09-26 Security shutter for cinematographic projection booths Expired FR682321A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR682321T 1929-09-26

Publications (1)

Publication Number Publication Date
FR682321A true FR682321A (en) 1930-05-26

Family

ID=9023260

Family Applications (1)

Application Number Title Priority Date Filing Date
FR682321D Expired FR682321A (en) 1929-09-26 1929-09-26 Security shutter for cinematographic projection booths

Country Status (1)

Country Link
FR (1) FR682321A (en)

Similar Documents

Publication Publication Date Title
FR682321A (en) Security shutter for cinematographic projection booths
FR686453A (en) Advanced shutter for photography
FR625195A (en) Lens shutter
FR679630A (en) Shutter for cinematographic projection device
FR724756A (en) Shutter for cameras
FR658121A (en) Shutter for cinematographic projection devices
FR678324A (en) Central shutter for photographic lenses
FR682504A (en) Shutter for cameras
FR683090A (en) Photography or projection lens
FR595157A (en) Shutter for cameras
FR700290A (en) Projector for photographic or cinematographic shooting
FR613945A (en) Shutter for cinematographic projection devices
FR676969A (en) Ventilation device for cinematographic projectors
CA293799A (en) Shutter for photographic objectives
FR645861A (en) light projection screen
FR701009A (en) Central shutter for photographic lenses
FR685760A (en) Automatic cinematographic projection booth for public walks
FR691529A (en) Automatic cinematographic projection booth for public walks
FR647970A (en) Shutter for cameras
CA289273A (en) Photographic shutter
FR704295A (en) Central shutter for photographic lenses
CA292978A (en) Exposure counter for cameras
FR674943A (en) Cabin for photographic or cinematographic shots
CA290000A (en) Camera shutter
FR667587A (en) Central shutter for cameras