BE514838A - - Google Patents
Info
- Publication number
- BE514838A BE514838A BE514838DA BE514838A BE 514838 A BE514838 A BE 514838A BE 514838D A BE514838D A BE 514838DA BE 514838 A BE514838 A BE 514838A
- 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
- H01J1/22—Heaters
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2402651A GB707096A (en) | 1951-10-15 | 1951-10-15 | Improvements in heaters for electron emitters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE514838A true BE514838A (ja) |
Family
ID=10205197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE514838D BE514838A (ja) | 1951-10-15 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE514838A (ja) |
| FR (1) | FR1070504A (ja) |
| GB (1) | GB707096A (ja) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2814751A (en) * | 1955-03-16 | 1957-11-26 | Eitel Mccullough Inc | Stem structure for beam type tubes |
| GB2214705A (en) * | 1988-01-26 | 1989-09-06 | English Electric Valve Co Ltd | Directly heated cathode |
-
0
- BE BE514838D patent/BE514838A/xx unknown
-
1951
- 1951-10-15 GB GB2402651A patent/GB707096A/en not_active Expired
-
1952
- 1952-10-15 FR FR1070504D patent/FR1070504A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1070504A (fr) | 1954-07-28 |
| GB707096A (en) | 1954-04-14 |