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OA00170A - Improvements made to projection screens, especially for cinema. - Google Patents

Improvements made to projection screens, especially for cinema.

Info

Publication number
OA00170A
OA00170A OA50204A OA50204A OA00170A OA 00170 A OA00170 A OA 00170A OA 50204 A OA50204 A OA 50204A OA 50204 A OA50204 A OA 50204A OA 00170 A OA00170 A OA 00170A
Authority
OA
OAPI
Prior art keywords
cinema
improvements made
projection screens
screens
projection
Prior art date
Application number
OA50204A
Other languages
French (fr)
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
Publication of OA00170A publication Critical patent/OA00170A/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
    • 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)
OA50204A 1960-12-22 1964-07-16 Improvements made to projection screens, especially for cinema. OA00170A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR847762A FR1283342A (en) 1960-12-22 1960-12-22 Improvements to projection screens, especially for cinema

Publications (1)

Publication Number Publication Date
OA00170A true OA00170A (en) 1966-03-15

Family

ID=8745339

Family Applications (1)

Application Number Title Priority Date Filing Date
OA50204A OA00170A (en) 1960-12-22 1964-07-16 Improvements made to projection screens, especially for cinema.

Country Status (3)

Country Link
FR (1) FR1283342A (en)
GB (1) GB1001055A (en)
OA (1) OA00170A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR87109E (en) * 1964-06-30 1966-06-17 Method of manufacturing a curved screen and screen thus obtained

Also Published As

Publication number Publication date
FR1283342A (en) 1962-02-02
GB1001055A (en) 1965-08-11

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