BE464982A - - Google Patents
Info
- Publication number
- BE464982A BE464982A BE464982DA BE464982A BE 464982 A BE464982 A BE 464982A BE 464982D A BE464982D A BE 464982DA BE 464982 A BE464982 A BE 464982A
- 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
- H01J1/13—Solid thermionic cathodes
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
- H01J1/26—Supports for the emissive material
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL250513X | 1944-06-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE464982A true BE464982A (forum.php) |
Family
ID=19781079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE464982D BE464982A (forum.php) | 1944-06-16 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE464982A (forum.php) |
| CH (1) | CH250513A (forum.php) |
| FR (1) | FR931665A (forum.php) |
| GB (1) | GB623601A (forum.php) |
-
0
- BE BE464982D patent/BE464982A/xx unknown
-
1946
- 1946-05-07 CH CH250513D patent/CH250513A/de unknown
- 1946-07-29 FR FR931665D patent/FR931665A/fr not_active Expired
-
1947
- 1947-03-19 GB GB7576/47A patent/GB623601A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB623601A (en) | 1949-05-19 |
| FR931665A (fr) | 1948-03-01 |
| CH250513A (de) | 1947-08-31 |