SE9600446L - Film screen device and method for bringing a film screen into a position suitable for displaying images - Google Patents
Film screen device and method for bringing a film screen into a position suitable for displaying imagesInfo
- Publication number
- SE9600446L SE9600446L SE9600446A SE9600446A SE9600446L SE 9600446 L SE9600446 L SE 9600446L SE 9600446 A SE9600446 A SE 9600446A SE 9600446 A SE9600446 A SE 9600446A SE 9600446 L SE9600446 L SE 9600446L
- Authority
- SE
- Sweden
- Prior art keywords
- film screen
- component
- shaft
- bringing
- displaying images
- Prior art date
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)
- Projection-Type Copiers In General (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Abstract
The method involves rolling a film sheet (20) in the rest position on the first shaft (22) in the upper part of an inner frame. A second shaft (28) is arranged in the lower part of the inner frame and extends outwards into an outer frame (12). Arranged on the shafts are engagement components (26) which are connected by a transmission component (36) transmitting rotation between the shafts. An elevation component (30) comprises a rolling-up component (30') and a band (30") fixed to the outer frame and the rolling-up component. On the second shaft is a tension component (32), fixed partly in the inner frame (B) and partly in the second shaft (A).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9600446A SE506048C2 (en) | 1996-02-07 | 1996-02-07 | Method for bringing film sheet arrangement into position for viewing pictures |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9600446A SE506048C2 (en) | 1996-02-07 | 1996-02-07 | Method for bringing film sheet arrangement into position for viewing pictures |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9600446D0 SE9600446D0 (en) | 1996-02-07 |
SE9600446L true SE9600446L (en) | 1997-08-08 |
SE506048C2 SE506048C2 (en) | 1997-11-03 |
Family
ID=20401301
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9600446A SE506048C2 (en) | 1996-02-07 | 1996-02-07 | Method for bringing film sheet arrangement into position for viewing pictures |
Country Status (1)
Country | Link |
---|---|
SE (1) | SE506048C2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021029762A1 (en) * | 2019-08-14 | 2021-02-18 | 엘지전자 주식회사 | Smart wall |
-
1996
- 1996-02-07 SE SE9600446A patent/SE506048C2/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SE9600446D0 (en) | 1996-02-07 |
SE506048C2 (en) | 1997-11-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
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