SE300271B - - Google Patents
Info
- Publication number
- SE300271B SE300271B SE8814/66A SE881466A SE300271B SE 300271 B SE300271 B SE 300271B SE 8814/66 A SE8814/66 A SE 8814/66A SE 881466 A SE881466 A SE 881466A SE 300271 B SE300271 B SE 300271B
- Authority
- SE
- Sweden
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
- C07D307/82—Benzo [b] furans; Hydrogenated benzo [b] furans with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the hetero ring
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Discharge Lamp (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Solid Thermionic Cathode (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES97897A DE1223063B (de) | 1965-06-30 | 1965-06-30 | Mittelbar geheizte Kathode fuer elektrische Entladungsgefaesse und Verfahren zur Temperatur-regelung der Kathode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE300271B true SE300271B (fi) | 1968-04-22 |
Family
ID=7521067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8814/66A SE300271B (fi) | 1965-06-30 | 1966-06-28 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3385997A (fi) |
| DE (1) | DE1223063B (fi) |
| GB (1) | GB1139006A (fi) |
| NL (1) | NL6608031A (fi) |
| SE (1) | SE300271B (fi) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6036056B2 (ja) * | 1979-06-21 | 1985-08-17 | 株式会社東芝 | 陰極構体 |
| DE3323473A1 (de) * | 1983-06-29 | 1985-01-03 | Siemens AG, 1000 Berlin und 8000 München | Schnellheizkathode |
| DE3407434A1 (de) * | 1984-02-29 | 1985-08-29 | Siemens AG, 1000 Berlin und 8000 München | Strahlerzeugersystem fuer elektronenroehren, insbesondere wanderfeldroehren |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2146365A (en) * | 1934-12-13 | 1939-02-07 | John C Batchelor | Electron emitter |
| NL137438B (fi) * | 1942-03-28 | |||
| US2677787A (en) * | 1950-05-08 | 1954-05-04 | Charles V Litton | Electron discharge device cathode assembly |
| US2655614A (en) * | 1950-05-25 | 1953-10-13 | Machlett Lab Inc | Electron tube |
-
1965
- 1965-06-30 DE DES97897A patent/DE1223063B/de active Pending
-
1966
- 1966-06-09 NL NL6608031A patent/NL6608031A/xx unknown
- 1966-06-22 US US559518A patent/US3385997A/en not_active Expired - Lifetime
- 1966-06-28 SE SE8814/66A patent/SE300271B/xx unknown
- 1966-06-29 GB GB29163/66A patent/GB1139006A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1139006A (en) | 1969-01-08 |
| NL6608031A (fi) | 1967-01-02 |
| DE1223063B (de) | 1966-08-18 |
| US3385997A (en) | 1968-05-28 |