DK200101535A - Rear light projection screen is illuminated from behind and on front side has light diffusion devices for receiving beams from picture source and also for receiving beams in connection with showing picture - Google Patents
Rear light projection screen is illuminated from behind and on front side has light diffusion devices for receiving beams from picture source and also for receiving beams in connection with showing picture Download PDFInfo
- Publication number
- DK200101535A DK200101535A DK200101535A DKPA200101535A DK200101535A DK 200101535 A DK200101535 A DK 200101535A DK 200101535 A DK200101535 A DK 200101535A DK PA200101535 A DKPA200101535 A DK PA200101535A DK 200101535 A DK200101535 A DK 200101535A
- Authority
- DK
- Denmark
- Prior art keywords
- receiving beams
- picture
- illuminated
- behind
- projection screen
- Prior art date
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- Overhead Projectors And Projection Screens (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
PATENTKRAV 1. Baglysprojektionsskærm med et lysspredende medium, gennem hvilket lysstrålerne afbøjes fra en billedkilde til fremvisning af billedet med en i hovedsagen ensartet lysstyrke over en bred synsvinkel, både horisontalt og vertikalt, hvilke lysspredende partikler er kendetegnet ved, at partiklerne består af ytterbium oxide, ytterium oxide samt silicium oxide. 2. Baglysprojektionsskærm iflg. krav lkendetegnet ved, at skærmen er indfarvet. 3. Baglysprojektionsskærm iflg. krav lkendetegnet ved, at forsideoverfalden kan være blank, mat, semimat.PATENT REQUIREMENT 1. Rear light projection screen with a light scattering medium through which the light rays are deflected from an image source to display the image with a substantially uniform brightness over a wide angle of view, both horizontally and vertically, the light scattering particles being characterized by the particle oxide outer oxide as well as silicon oxide. 2. Taillight projection screen according to. requirements characterized by the color of the screen. 3. Taillight projection screen according to. claims characterized by the fact that the cover can be blank, matte, semi-matte.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK200101535A DK176592B1 (en) | 2001-10-19 | 2001-10-19 | A rear projection screen |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK200101535 | 2001-10-19 | ||
DK200101535A DK176592B1 (en) | 2001-10-19 | 2001-10-19 | A rear projection screen |
Publications (2)
Publication Number | Publication Date |
---|---|
DK200101535A true DK200101535A (en) | 2003-04-20 |
DK176592B1 DK176592B1 (en) | 2008-10-13 |
Family
ID=8160777
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK200101535A DK176592B1 (en) | 2001-10-19 | 2001-10-19 | A rear projection screen |
Country Status (1)
Country | Link |
---|---|
DK (1) | DK176592B1 (en) |
-
2001
- 2001-10-19 DK DK200101535A patent/DK176592B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DK176592B1 (en) | 2008-10-13 |
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Legal Events
Date | Code | Title | Description |
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PSP | Patent surrendered |