BE433539A - - Google Patents
Info
- Publication number
- BE433539A BE433539A BE433539DA BE433539A BE 433539 A BE433539 A BE 433539A BE 433539D A BE433539D A BE 433539DA BE 433539 A BE433539 A BE 433539A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE212952X | 1938-03-29 | ||
| DE140638X | 1938-06-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE433539A true BE433539A (forum.php) |
Family
ID=25751931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE433539D BE433539A (forum.php) | 1938-03-29 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE433539A (forum.php) |
| CH (1) | CH212952A (forum.php) |
| FR (1) | FR852307A (forum.php) |
-
0
- BE BE433539D patent/BE433539A/xx unknown
-
1939
- 1939-03-27 CH CH212952D patent/CH212952A/de unknown
- 1939-03-29 FR FR852307D patent/FR852307A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH212952A (de) | 1940-12-31 |
| FR852307A (fr) | 1940-01-30 |