BE485038A - - Google Patents
Info
- Publication number
- BE485038A BE485038A BE485038DA BE485038A BE 485038 A BE485038 A BE 485038A BE 485038D A BE485038D A BE 485038DA BE 485038 A BE485038 A BE 485038A
- 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
- G03B27/00—Photographic printing apparatus
- G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US980394XA | 1947-10-02 | 1947-10-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE485038A true BE485038A (en:Method) |
Family
ID=22266488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE485038D BE485038A (en:Method) | 1947-10-02 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE485038A (en:Method) |
| FR (1) | FR980394A (en:Method) |
-
0
- BE BE485038D patent/BE485038A/xx unknown
-
1948
- 1948-09-30 FR FR980394D patent/FR980394A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR980394A (fr) | 1951-05-11 |