BE429565A - - Google Patents
Info
- Publication number
- BE429565A BE429565A BE429565DA BE429565A BE 429565 A BE429565 A BE 429565A BE 429565D A BE429565D A BE 429565DA BE 429565 A BE429565 A BE 429565A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/32—Secondary-electron-emitting electrodes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL83688A NL50865C (en:Method) | 1937-08-07 | 1937-08-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE429565A true BE429565A (en:Method) |
Family
ID=43795021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE429565D BE429565A (en:Method) | 1937-08-07 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE429565A (en:Method) |
| CH (1) | CH208433A (en:Method) |
| DE (1) | DE756219C (en:Method) |
| FR (1) | FR841800A (en:Method) |
| GB (1) | GB517643A (en:Method) |
| NL (1) | NL50865C (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB670554A (en) * | 1945-11-07 | 1952-04-23 | Emi Ltd | Improvements in or relating to electron discharge devices employing secondary electron emission and electrodes for use therein |
-
0
- BE BE429565D patent/BE429565A/xx unknown
-
1937
- 1937-08-07 NL NL83688A patent/NL50865C/xx active
-
1938
- 1938-08-04 GB GB23076/38A patent/GB517643A/en not_active Expired
- 1938-08-06 FR FR841800D patent/FR841800A/fr not_active Expired
- 1938-08-06 DE DEN42300D patent/DE756219C/de not_active Expired
- 1938-08-06 CH CH208433D patent/CH208433A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE756219C (de) | 1944-10-05 |
| NL50865C (en:Method) | 1941-08-16 |
| GB517643A (en) | 1940-02-05 |
| FR841800A (fr) | 1939-05-26 |
| CH208433A (de) | 1940-01-31 |