BE544157A - - Google Patents
Info
- Publication number
- BE544157A BE544157A BE544157DA BE544157A BE 544157 A BE544157 A BE 544157A BE 544157D A BE544157D A BE 544157DA BE 544157 A BE544157 A BE 544157A
- 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 |
|---|---|---|---|
| GB45355A GB777499A (en) | 1955-01-06 | 1955-01-06 | Improvements in and relating to indirectly-heated cathodes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE544157A true BE544157A (xx) |
Family
ID=9704616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE544157D BE544157A (xx) | 1955-01-06 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE544157A (xx) |
| ES (1) | ES225919A1 (xx) |
| GB (1) | GB777499A (xx) |
-
0
- BE BE544157D patent/BE544157A/xx unknown
-
1955
- 1955-01-06 GB GB45355A patent/GB777499A/en not_active Expired
-
1956
- 1956-01-03 ES ES0225919A patent/ES225919A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB777499A (en) | 1957-06-26 |
| ES225919A1 (es) | 1956-02-16 |