NL7212822A - - Google Patents
Info
- Publication number
- NL7212822A NL7212822A NL7212822A NL7212822A NL7212822A NL 7212822 A NL7212822 A NL 7212822A NL 7212822 A NL7212822 A NL 7212822A NL 7212822 A NL7212822 A NL 7212822A NL 7212822 A NL7212822 A NL 7212822A
- Authority
- NL
- Netherlands
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
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2026—Gas discharge type light sources, e.g. arcs
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7212822A NL7212822A (en:Method) | 1972-09-22 | 1972-09-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7212822A NL7212822A (en:Method) | 1972-09-22 | 1972-09-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7212822A true NL7212822A (en:Method) | 1974-03-26 |
Family
ID=19816989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7212822A NL7212822A (en:Method) | 1972-09-22 | 1972-09-22 |
Country Status (1)
| Country | Link |
|---|---|
| NL (1) | NL7212822A (en:Method) |
-
1972
- 1972-09-22 NL NL7212822A patent/NL7212822A/xx unknown