NL14962C - - Google Patents
Info
- Publication number
- NL14962C NL14962C NL14962DA NL14962C NL 14962 C NL14962 C NL 14962C NL 14962D A NL14962D A NL 14962DA NL 14962 C NL14962 C NL 14962C
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/74—Cooling arrangements
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL223564X | 1923-10-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL14962C true NL14962C (en) |
Family
ID=19779506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL14962D NL14962C (en) | 1923-10-17 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1757233A (en) |
| FR (1) | FR587096A (en) |
| GB (1) | GB223564A (en) |
| NL (1) | NL14962C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2493423A (en) * | 1944-05-29 | 1950-01-03 | Rca Corp | Electron discharge device of the magnetron type |
| US2460119A (en) * | 1944-09-23 | 1949-01-25 | Gen Electric | Magnetron |
| CH291654A (en) * | 1950-08-19 | 1953-06-30 | Siemens Reiniger Werke Ag | Electric discharge tube. |
| GB2214705A (en) * | 1988-01-26 | 1989-09-06 | English Electric Valve Co Ltd | Directly heated cathode |
-
0
- NL NL14962D patent/NL14962C/xx active
-
1924
- 1924-09-30 US US740738A patent/US1757233A/en not_active Expired - Lifetime
- 1924-10-09 FR FR587096D patent/FR587096A/en not_active Expired
- 1924-10-13 GB GB24255/24A patent/GB223564A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1757233A (en) | 1930-05-06 |
| FR587096A (en) | 1925-04-10 |
| GB223564A (en) | 1925-06-11 |