BE390394A - - Google Patents
Info
- Publication number
- BE390394A BE390394A BE390394DA BE390394A BE 390394 A BE390394 A BE 390394A BE 390394D A BE390394D A BE 390394DA BE 390394 A BE390394 A BE 390394A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/52—Arrangements for controlling intensity of ray or beam, e.g. for modulation
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US399961XA | 1931-08-15 | 1931-08-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE390394A true BE390394A (https=) |
Family
ID=21908496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE390394D BE390394A (https=) | 1931-08-15 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE390394A (https=) |
| DE (1) | DE672541C (https=) |
| FR (1) | FR742516A (https=) |
| GB (1) | GB399961A (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE747206C (de) * | 1939-10-22 | 1944-10-02 | Fernseh Gmbh | Elektrodenanordnung fuer Kathodenstrahlroehren |
| DE874345C (de) * | 1940-04-11 | 1953-04-23 | Telefunken Gmbh | Abstimmungsanzeigeroehre |
-
0
- FR FR742516D patent/FR742516A/fr not_active Expired
- BE BE390394D patent/BE390394A/xx unknown
-
1932
- 1932-08-02 DE DER85544D patent/DE672541C/de not_active Expired
- 1932-08-15 GB GB22866/32A patent/GB399961A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB399961A (en) | 1933-10-19 |
| FR742516A (https=) | 1933-03-08 |
| DE672541C (de) | 1939-03-04 |