FR909855A - Improvement in cinematographic projection screens - Google Patents

Improvement in cinematographic projection screens

Info

Publication number
FR909855A
FR909855A FR909855DA FR909855A FR 909855 A FR909855 A FR 909855A FR 909855D A FR909855D A FR 909855DA FR 909855 A FR909855 A FR 909855A
Authority
FR
France
Prior art keywords
improvement
projection screens
cinematographic projection
cinematographic
screens
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
Toussaint Sinibaldi
Dimitri Sensaud De Lavaud
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 FR909855A publication Critical patent/FR909855A/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
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface
    • G03B21/606—Projection screens characterised by the nature of the surface for relief projection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR909855D 1944-11-06 1944-11-06 Improvement in cinematographic projection screens Expired FR909855A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR909855T 1944-11-06

Publications (1)

Publication Number Publication Date
FR909855A true FR909855A (en) 1946-05-21

Family

ID=9408303

Family Applications (1)

Application Number Title Priority Date Filing Date
FR909855D Expired FR909855A (en) 1944-11-06 1944-11-06 Improvement in cinematographic projection screens

Country Status (1)

Country Link
FR (1) FR909855A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2777011A (en) * 1951-03-05 1957-01-08 Alvin M Marks Three-dimensional display system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2777011A (en) * 1951-03-05 1957-01-08 Alvin M Marks Three-dimensional display system

Similar Documents

Publication Publication Date Title
FR937917A (en) Improvements to raster screens
FR935630A (en) Projector lamps improvements
FR909855A (en) Improvement in cinematographic projection screens
FR919842A (en) Improvements in radioreceptors
FR992756A (en) Advanced projector
FR894186A (en) projection screen
FR936764A (en) Improvements to cinematographic screens
FR910750A (en) Screen improvement
FR918325A (en) Improvements to photographic enlargers
FR943701A (en) Sound cinematographic projector
FR929296A (en) Improvements to sound cinematographic projectors
FR913902A (en) Improvements to cinematographic projectors
FR906908A (en) Improvements to cinematographic projection mechanisms
FR54627E (en) projection screen
FR988506A (en) Improvements to zero-brightness projectors
FR988507A (en) Improvements to zero-brightness projectors
FR905934A (en) Non-flammable cinematographic film
FR944061A (en) Improvements to photographic emulsions
FR951377A (en) Improvements to cinematographic projection devices
FR941726A (en) Improvements to cameras
FR951536A (en) Improvements to photographic lenses
FR1059112A (en) Improvements to cinematographic projectors
FR933643A (en) Improvements to cinematographic projection devices
FR53653E (en) Zero-brightness projector
FR907629A (en) Zero-brightness projector