CH449998A - Curved screen for projection of cinematographic images - Google Patents

Curved screen for projection of cinematographic images

Info

Publication number
CH449998A
CH449998A CH917265A CH917265A CH449998A CH 449998 A CH449998 A CH 449998A CH 917265 A CH917265 A CH 917265A CH 917265 A CH917265 A CH 917265A CH 449998 A CH449998 A CH 449998A
Authority
CH
Switzerland
Prior art keywords
projection
curved screen
cinematographic images
cinematographic
images
Prior art date
Application number
CH917265A
Other languages
French (fr)
Inventor
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 CH449998A publication Critical patent/CH449998A/en

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)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Clamps And Clips (AREA)
  • Transforming Electric Information Into Light Information (AREA)
CH917265A 1964-06-30 1965-06-23 Curved screen for projection of cinematographic images CH449998A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR980225A FR87109E (en) 1964-06-30 1964-06-30 Method of manufacturing a curved screen and screen thus obtained

Publications (1)

Publication Number Publication Date
CH449998A true CH449998A (en) 1968-01-15

Family

ID=8833607

Family Applications (1)

Application Number Title Priority Date Filing Date
CH917265A CH449998A (en) 1964-06-30 1965-06-23 Curved screen for projection of cinematographic images

Country Status (11)

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

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 (en) * 1960-12-22 1962-02-02 Improvements to projection screens, especially for cinema

Also Published As

Publication number Publication date
US3384432A (en) 1968-05-21
FR87109E (en) 1966-06-17
NL6508315A (en) 1965-12-31
DE1264099B (en) 1968-03-21
AT275909B (en) 1969-11-10
OA085E (en) 1970-12-15
ES314742A2 (en) 1966-05-16
LU48923A1 (en) 1965-08-26
GB1093639A (en) 1967-12-06
BE666010A (en) 1965-10-18

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