FR703180A - écran de projection - Google Patents

écran de projection

Info

Publication number
FR703180A
FR703180A FR703180DA FR703180A FR 703180 A FR703180 A FR 703180A FR 703180D A FR703180D A FR 703180DA FR 703180 A FR703180 A FR 703180A
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)
Inventor
Leonhard Koeppe
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 FR703180A publication Critical patent/FR703180A/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
    • G03B21/602—Lenticular screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR703180D 1929-07-30 1930-07-30 écran de projection Expired FR703180A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE703180X 1929-07-30

Publications (1)

Publication Number Publication Date
FR703180A true FR703180A (fr) 1931-04-25

Family

ID=6613937

Family Applications (1)

Application Number Title Priority Date Filing Date
FR703180D Expired FR703180A (fr) 1929-07-30 1930-07-30 écran de projection

Country Status (1)

Country Link
FR (1) FR703180A (fr)

Similar Documents

Publication Publication Date Title
FR703180A (fr) écran de projection
FR688535A (fr) Perfectionnements aux projecteurs
FR667760A (fr) Raccord
FR674271A (fr) Perfectionnements aux projecteurs
FR685802A (fr) écrans
FR669008A (fr) Projecteur
FR671925A (fr) Projecteur
FR684570A (fr) Projecteur
FR700075A (fr) Projecteurs
FR667869A (fr) Eléments de construction
FR721086A (fr) écrans de projection
FR671331A (fr) Projecteurs de lumière
FR685003A (fr) Ecran de projection pliant
FR664978A (fr) écran de projection stéréoscopique
FR37749E (fr) Projecteur non éblouissant
FR675995A (fr) Projecteur non éblouissant
FR675776A (fr) Projecteur non éblouissant
FR662812A (fr) écran anti-éblouissant
FR687933A (fr) Raccord
FR682282A (fr) Grugeoir-découpoir
FI12318A (fi) Klädpressmaskin
FI12392A (fi) Bunsenbrännare
FI12300A (fi) Sirppihara
FI12437A (fi) Tjäravskiljare
FI12319A (fi) Tvättmaskin