SE303806B - - Google Patents
Info
- Publication number
- SE303806B SE303806B SE3769/64A SE376964A SE303806B SE 303806 B SE303806 B SE 303806B SE 3769/64 A SE3769/64 A SE 3769/64A SE 376964 A SE376964 A SE 376964A SE 303806 B SE303806 B SE 303806B
- Authority
- SE
- Sweden
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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US268387A US3225246A (en) | 1963-03-27 | 1963-03-27 | Indirectly heated cathode |
| BE645648A BE645648A (en) | 1963-03-27 | 1964-03-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE303806B true SE303806B (en) | 1968-09-09 |
Family
ID=25655781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE3769/64A SE303806B (en) | 1963-03-27 | 1964-03-25 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3225246A (en) |
| DE (1) | DE1257981B (en) |
| FR (1) | FR1386875A (en) |
| GB (1) | GB1027404A (en) |
| NL (1) | NL6403305A (en) |
| SE (1) | SE303806B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1293909B (en) * | 1965-11-16 | 1969-04-30 | Philips Patentverwaltung | Incandescent cathode for an electrical discharge tube with a heat trap |
| US3737711A (en) * | 1968-11-21 | 1973-06-05 | Varian Associates | Electron tube having an improved filamentary cathode and support therefor and method of making same |
| JPS5824370Y2 (en) * | 1977-02-04 | 1983-05-25 | 株式会社日立製作所 | magnetron |
| CN114513868B (en) * | 2022-02-18 | 2022-09-09 | 哈尔滨工业大学 | Electric heater assembly of electric propulsion hollow cathode |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL37515C (en) * | 1927-10-15 | |||
| US1941074A (en) * | 1930-09-17 | 1933-12-26 | Bell Telephone Labor Inc | Electric discharge device |
| DE745133C (en) * | 1935-06-27 | 1944-02-26 | Aeg | Indirectly heated cathode for electrical discharge vessels |
| DE763222C (en) * | 1938-08-23 | 1954-10-04 | Siemens & Halske A G | Indirectly heated glow cathode for electron beam tubes |
| US2510639A (en) * | 1948-03-02 | 1950-06-06 | Gen Electric | Cavity resonator system |
| US2842701A (en) * | 1954-12-22 | 1958-07-08 | Raytheon Mfg Co | Cathode heater assemblies |
| DE1138483B (en) * | 1957-11-29 | 1962-10-25 | Eitel Mccullough Inc | High performance electron tube for high frequencies |
-
1963
- 1963-03-27 US US268387A patent/US3225246A/en not_active Expired - Lifetime
-
1964
- 1964-03-17 GB GB11274/64D patent/GB1027404A/en not_active Expired
- 1964-03-25 SE SE3769/64A patent/SE303806B/xx unknown
- 1964-03-25 DE DER37546A patent/DE1257981B/en active Pending
- 1964-03-26 NL NL6403305A patent/NL6403305A/xx unknown
- 1964-03-27 FR FR968911A patent/FR1386875A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1386875A (en) | 1965-01-22 |
| US3225246A (en) | 1965-12-21 |
| NL6403305A (en) | 1964-09-28 |
| DE1257981B (en) | 1968-01-04 |
| GB1027404A (en) | 1966-04-27 |