[go: up one dir, main page]

FR818965A - Ecran de projection - Google Patents

Ecran de projection

Info

Publication number
FR818965A
FR818965A FR818965DA FR818965A FR 818965 A FR818965 A FR 818965A FR 818965D A FR818965D A FR 818965DA FR 818965 A FR818965 A FR 818965A
Authority
FR
France
Prior art keywords
projection screen
projection
screen
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
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Opticolor AG
Original Assignee
Opticolor AG
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 by Opticolor AG filed Critical Opticolor AG
Application granted granted Critical
Publication of FR818965A publication Critical patent/FR818965A/fr
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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR818965D 1936-06-17 1937-03-09 Ecran de projection Expired FR818965A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE818965X 1936-06-17

Publications (1)

Publication Number Publication Date
FR818965A true FR818965A (fr) 1937-10-07

Family

ID=6735563

Family Applications (1)

Application Number Title Priority Date Filing Date
FR818965D Expired FR818965A (fr) 1936-06-17 1937-03-09 Ecran de projection

Country Status (1)

Country Link
FR (1) FR818965A (fr)

Similar Documents

Publication Publication Date Title
FR819107A (fr) Perfectionnements aux projecteurs
FR814362A (fr) écran électrostatique
FR818965A (fr) Ecran de projection
FR817654A (fr) Trépied
FR821819A (fr) Projecteur perfectionné
FR751840A (fr) écran de projection
FR812076A (fr) écran de projection
FR761510A (fr) écran de projection
FR822309A (fr) Plaque tramée
FR797604A (fr) écran électrostatique
FR746022A (fr) Ecran de projection
FR765479A (fr) écran de projection
FR821165A (fr) écran anti-diffuseur pour radiographie
FR806651A (fr) écran photographique
FR828675A (fr) Projecteur cinématographique
ES142916A1 (es) CONEXIoN DE SUPERPOSITOR
FR813249A (fr) Crible à secousses
FI17991A (fi) Elokuvaprojektori
FR821185A (fr) écran anti-diffuseur pour la radiographie
FI16949A (fi) Tandpasta
FI17083A (fi) Bordkombination
FI16896A (fi) Isolering
FI16927A (fi) Suksiside
FI16874A (fi) Sovsäck
FI16952A (fi) Hålstenstak