BE666439A - - Google Patents
Info
- Publication number
- BE666439A BE666439A BE666439DA BE666439A BE 666439 A BE666439 A BE 666439A BE 666439D A BE666439D A BE 666439DA BE 666439 A BE666439 A BE 666439A
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Woven Fabrics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEV0026758 | 1964-09-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE666439A true BE666439A (xx) | 1965-11-03 |
Family
ID=7582887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE666439D BE666439A (xx) | 1964-09-10 | 1965-07-06 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE666439A (xx) |
| CH (1) | CH449997A (xx) |
| DE (1) | DE1447281A1 (xx) |
| NL (1) | NL6509787A (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3301676A1 (de) * | 1983-01-20 | 1984-07-26 | Burkhard 5064 Rösrath Katz | Einrichtung zur informationsuebertragung zwischen anzeigennetz und programmgesteuerter laseranlage |
-
1964
- 1964-09-10 DE DE19641447281 patent/DE1447281A1/de active Pending
-
1965
- 1965-06-21 CH CH866165A patent/CH449997A/de unknown
- 1965-07-06 BE BE666439D patent/BE666439A/xx unknown
- 1965-07-28 NL NL6509787A patent/NL6509787A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1447281A1 (de) | 1969-01-09 |
| CH449997A (de) | 1968-01-15 |
| NL6509787A (xx) | 1966-03-11 |