AT275909B - Gebogener Projektionsschirm - Google Patents

Gebogener Projektionsschirm

Info

Publication number
AT275909B
AT275909B AT570365A AT570365A AT275909B AT 275909 B AT275909 B AT 275909B AT 570365 A AT570365 A AT 570365A AT 570365 A AT570365 A AT 570365A AT 275909 B AT275909 B AT 275909B
Authority
AT
Austria
Prior art keywords
projection screen
curved projection
curved
screen
projection
Prior art date
Application number
AT570365A
Other languages
English (en)
Inventor
Jules Hourdiaux
Original Assignee
Jules Hourdiaux
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 Jules Hourdiaux filed Critical Jules Hourdiaux
Application granted granted Critical
Publication of AT275909B publication Critical patent/AT275909B/de

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
    • G03B21/58—Projection screens collapsible, e.g. foldable; of variable area
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Clamps And Clips (AREA)
AT570365A 1964-06-30 1965-06-23 Gebogener Projektionsschirm AT275909B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR980225A FR87109E (fr) 1964-06-30 1964-06-30 Procédé de fabrication d'un écran courbe et écran ainsi obtenu

Publications (1)

Publication Number Publication Date
AT275909B true AT275909B (de) 1969-11-10

Family

ID=8833607

Family Applications (1)

Application Number Title Priority Date Filing Date
AT570365A AT275909B (de) 1964-06-30 1965-06-23 Gebogener Projektionsschirm

Country Status (11)

Country Link
US (1) US3384432A (de)
AT (1) AT275909B (de)
BE (1) BE666010A (de)
CH (1) CH449998A (de)
DE (1) DE1264099B (de)
ES (1) ES314742A2 (de)
FR (1) FR87109E (de)
GB (1) GB1093639A (de)
LU (1) LU48923A1 (de)
NL (1) NL6508315A (de)
OA (1) OA085E (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4318589A (en) * 1980-07-07 1982-03-09 The Singer Company Segmented curved screen construction for preserving a predefined curvature
US5098616A (en) * 1990-11-19 1992-03-24 Cae Electronics Ltd. Method for forming a curved projection screen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1882829A (en) * 1930-10-29 1932-10-18 Bell Telephone Labor Inc Relief picture viewing screen
US2476521A (en) * 1947-09-22 1949-07-19 Vitarama Corp Screen for picture projections
FR1283342A (fr) * 1960-12-22 1962-02-02 Perfectionnements apportés aux écrans de projection, notamment pour le cinéma

Also Published As

Publication number Publication date
GB1093639A (en) 1967-12-06
US3384432A (en) 1968-05-21
NL6508315A (de) 1965-12-31
DE1264099B (de) 1968-03-21
CH449998A (fr) 1968-01-15
LU48923A1 (de) 1965-08-26
FR87109E (fr) 1966-06-17
ES314742A2 (es) 1966-05-16
BE666010A (de) 1965-10-18
OA085E (de) 1970-12-15

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