ES314742A2 - Procedimiento de fabricaciën de una pantalla curva para la proyecciën de imagenes cinematograficas u otras - Google Patents

Procedimiento de fabricaciën de una pantalla curva para la proyecciën de imagenes cinematograficas u otras

Info

Publication number
ES314742A2
ES314742A2 ES0314742A ES314742A ES314742A2 ES 314742 A2 ES314742 A2 ES 314742A2 ES 0314742 A ES0314742 A ES 0314742A ES 314742 A ES314742 A ES 314742A ES 314742 A2 ES314742 A2 ES 314742A2
Authority
ES
Spain
Prior art keywords
strips
adjacent
arms
making same
connecting member
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
ES0314742A
Other languages
English (en)
Spanish (es)
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.)
HOURDIAUX JULES
Original Assignee
HOURDIAUX JULES
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 HOURDIAUX JULES filed Critical HOURDIAUX JULES
Publication of ES314742A2 publication Critical patent/ES314742A2/es
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
    • G03B21/58—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)
  • Clamps And Clips (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
ES0314742A 1964-06-30 1965-06-28 Procedimiento de fabricaciën de una pantalla curva para la proyecciën de imagenes cinematograficas u otras Expired ES314742A2 (es)

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
ES314742A2 true ES314742A2 (es) 1966-05-16

Family

ID=8833607

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0314742A Expired ES314742A2 (es) 1964-06-30 1965-06-28 Procedimiento de fabricaciën de una pantalla curva para la proyecciën de imagenes cinematograficas u otras

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
NL6508315A (de) 1965-12-31
CH449998A (fr) 1968-01-15
OA085E (de) 1970-12-15
LU48923A1 (de) 1965-08-26
AT275909B (de) 1969-11-10
US3384432A (en) 1968-05-21
FR87109E (fr) 1966-06-17
BE666010A (de) 1965-10-18
GB1093639A (en) 1967-12-06
DE1264099B (de) 1968-03-21

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