BE541626A - - Google Patents
Info
- Publication number
- BE541626A BE541626A BE541626DA BE541626A BE 541626 A BE541626 A BE 541626A BE 541626D A BE541626D A BE 541626DA BE 541626 A BE541626 A BE 541626A
- 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
- H01J1/28—Dispenser-type cathodes, e.g. L-cathode
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL332995X | 1954-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE541626A true BE541626A (forum.php) |
Family
ID=19784433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE541626D BE541626A (forum.php) | 1954-09-29 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE541626A (forum.php) |
| CH (1) | CH332995A (forum.php) |
| FR (1) | FR1131714A (forum.php) |
| GB (1) | GB776232A (forum.php) |
-
0
- BE BE541626D patent/BE541626A/xx unknown
-
1955
- 1955-09-26 GB GB27359/55A patent/GB776232A/en not_active Expired
- 1955-09-27 FR FR1131714D patent/FR1131714A/fr not_active Expired
- 1955-09-27 CH CH332995D patent/CH332995A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB776232A (en) | 1957-06-05 |
| FR1131714A (fr) | 1957-02-26 |
| CH332995A (de) | 1958-09-30 |