NL255493A - - Google Patents
Info
- Publication number
- NL255493A NL255493A NL255493DA NL255493A NL 255493 A NL255493 A NL 255493A NL 255493D A NL255493D A NL 255493DA NL 255493 A NL255493 A NL 255493A
- Authority
- NL
- Netherlands
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 |
|---|---|---|---|
| GB3015559A GB891913A (en) | 1959-09-03 | 1959-09-03 | Thermionic valve cathode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL255493A true NL255493A (en:Method) |
Family
ID=10303184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL255493D NL255493A (en:Method) | 1959-09-03 |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB891913A (en:Method) |
| NL (1) | NL255493A (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2143949A (en) * | 1983-07-26 | 1985-02-20 | Boc Group Plc | Filament support |
| JPH0624093B2 (ja) * | 1984-12-26 | 1994-03-30 | 株式会社日立製作所 | 傍熱型陰極用ヒ−タ |
-
0
- NL NL255493D patent/NL255493A/xx unknown
-
1959
- 1959-09-03 GB GB3015559A patent/GB891913A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB891913A (en) | 1962-03-21 |