BE703453A - - Google Patents
Info
- Publication number
- BE703453A BE703453A BE703453DA BE703453A BE 703453 A BE703453 A BE 703453A BE 703453D A BE703453D A BE 703453DA BE 703453 A BE703453 A BE 703453A
- Authority
- BE
- Belgium
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
- G03B21/60—Projection screens characterised by the nature of the surface
- G03B21/62—Translucent screens
- G03B21/625—Lenticular translucent screens
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Stereoscopic And Panoramic Photography (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US58763266A | 1966-09-12 | 1966-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE703453A true BE703453A (xx) | 1968-02-01 |
Family
ID=24350574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE703453D BE703453A (xx) | 1966-09-12 | 1967-09-04 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3547518A (xx) |
| BE (1) | BE703453A (xx) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR956825A (xx) * | 1950-02-08 | |||
| US773174A (en) * | 1899-05-27 | 1904-10-25 | Pressed Prism Plate Glass Co | Fireproof illuminating structure. |
| FR639193A (fr) * | 1927-01-13 | 1928-06-15 | Procédé et dispositifs pour la télévision et pour la transmission à distance des images ordinaires, monochromes, polychromes, en relief, etc. | |
| US1943995A (en) * | 1930-04-03 | 1934-01-16 | Herbert W Weld | Glass construction |
| US1883290A (en) * | 1930-10-23 | 1932-10-18 | Rell Telephone Lab Inc | Projection of stereoscopic pictures |
| US2131974A (en) * | 1934-03-24 | 1938-10-04 | Anne Henri Jacques De Lass Gen | Screen for the production of stereoscopic images |
-
1966
- 1966-09-12 US US587632A patent/US3547518A/en not_active Expired - Lifetime
-
1967
- 1967-09-04 BE BE703453D patent/BE703453A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3547518A (en) | 1970-12-15 |