NL6608031A - - Google Patents
Info
- Publication number
- NL6608031A NL6608031A NL6608031A NL6608031A NL6608031A NL 6608031 A NL6608031 A NL 6608031A NL 6608031 A NL6608031 A NL 6608031A NL 6608031 A NL6608031 A NL 6608031A NL 6608031 A NL6608031 A NL 6608031A
- Authority
- NL
- Netherlands
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
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- 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)
- Solid Thermionic Cathode (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Discharge Lamp (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 |
|---|---|
| NL6608031A true NL6608031A (US08080257-20111220-C00005.png) | 1967-01-02 |
Family
ID=7521067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6608031A NL6608031A (US08080257-20111220-C00005.png) | 1965-06-30 | 1966-06-09 |
Country Status (5)
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 (US08080257-20111220-C00005.png) * | 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 |
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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 |
|---|---|
| US3385997A (en) | 1968-05-28 |
| SE300271B (US08080257-20111220-C00005.png) | 1968-04-22 |
| DE1223063B (de) | 1966-08-18 |
| GB1139006A (en) | 1969-01-08 |
