BE449304A - - Google Patents
Info
- Publication number
- BE449304A BE449304A BE449304DA BE449304A BE 449304 A BE449304 A BE 449304A BE 449304D A BE449304D A BE 449304DA BE 449304 A BE449304 A BE 449304A
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J21/00—Vacuum tubes
- H01J21/02—Tubes with a single discharge path
- H01J21/18—Tubes with a single discharge path having magnetic control means; having both magnetic and electrostatic control means
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL232227X | 1942-02-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE449304A true BE449304A (en:Method) |
Family
ID=19780042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE449304D BE449304A (en:Method) | 1942-02-05 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE449304A (en:Method) |
| CH (1) | CH232227A (en:Method) |
| FR (1) | FR890753A (en:Method) |
-
0
- BE BE449304D patent/BE449304A/xx unknown
-
1943
- 1943-02-04 FR FR890753D patent/FR890753A/fr not_active Expired
- 1943-02-08 CH CH232227D patent/CH232227A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH232227A (de) | 1944-05-15 |
| FR890753A (fr) | 1944-02-17 |