GB205255A - Improvements in and connected with kinematographic and like screens - Google Patents
Improvements in and connected with kinematographic and like screensInfo
- Publication number
- GB205255A GB205255A GB2085122A GB2085122A GB205255A GB 205255 A GB205255 A GB 205255A GB 2085122 A GB2085122 A GB 2085122A GB 2085122 A GB2085122 A GB 2085122A GB 205255 A GB205255 A GB 205255A
- Authority
- GB
- United Kingdom
- Prior art keywords
- screen
- screens
- kinematographic
- wire
- dewey
- 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
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Combined Means For Separation Of Solids (AREA)
- Hybrid Cells (AREA)
- Transforming Electric Information Into Light Information (AREA)
Abstract
205,255. Dewey, H. July 8, 1922. Projection screens.-A screen 1 is provided with a flexible wire around its periphery and is tensioned by springs 6 or the like connected to the wire and to a frame or other support 5. A separate wire may be used for each edge of the screen and may be enclosed by a strip of webbing or the like 7 stitched to the screen. Specifications 153,724 and 204,787 are referred to.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2085122A GB205255A (en) | 1922-07-08 | 1922-07-08 | Improvements in and connected with kinematographic and like screens |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2085122A GB205255A (en) | 1922-07-08 | 1922-07-08 | Improvements in and connected with kinematographic and like screens |
Publications (1)
Publication Number | Publication Date |
---|---|
GB205255A true GB205255A (en) | 1923-10-08 |
Family
ID=10152787
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2085122A Expired GB205255A (en) | 1922-07-08 | 1922-07-08 | Improvements in and connected with kinematographic and like screens |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB205255A (en) |
-
1922
- 1922-07-08 GB GB2085122A patent/GB205255A/en not_active Expired
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