BE668691A - - Google Patents
Info
- Publication number
- BE668691A BE668691A BE668691A BE668691A BE668691A BE 668691 A BE668691 A BE 668691A BE 668691 A BE668691 A BE 668691A BE 668691 A BE668691 A BE 668691A BE 668691 A BE668691 A BE 668691A
- Authority
- BE
- Belgium
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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/52—Circuit arrangements for protecting such amplifiers
- H03F1/54—Circuit arrangements for protecting such amplifiers with tubes only
- H03F1/544—Protection of filaments
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microwave Tubes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP34937A DE1218071B (de) | 1964-08-22 | 1964-08-22 | Verfahren und Vorrichtung zum schnelleren Anheizen von indirekt geheizten Kathoden in Elektronenroehren |
| DE1218071 | 1964-08-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE668691A true BE668691A (de) | 1966-02-23 |
Family
ID=25750837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE668691A BE668691A (de) | 1964-08-22 | 1965-08-23 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3349282A (de) |
| BE (1) | BE668691A (de) |
| CH (1) | CH436495A (de) |
| DE (1) | DE1218071B (de) |
| DK (1) | DK113091B (de) |
| GB (1) | GB1097706A (de) |
| NL (1) | NL6510719A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3432690A (en) * | 1966-08-31 | 1969-03-11 | Us Army | Thermionic conversion of microwave energy to direct current |
| US4987342A (en) * | 1989-03-27 | 1991-01-22 | Gte Products Corporation | Self-ballasted glow discharge lamp having indirectly-heated cathode |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1610561A (en) * | 1922-12-11 | 1926-12-14 | Frederick S Mccullough | Power-amplifying circuit |
| US1607467A (en) * | 1922-12-21 | 1926-11-16 | Latour Corp | High-power thermionic valve |
| US2147429A (en) * | 1937-09-03 | 1939-02-14 | Westinghouse Electric & Mfg Co | Cathode inductive heating circuit |
| US2813227A (en) * | 1951-10-19 | 1957-11-12 | Rca Corp | Quick heating cathode for electron discharge device |
-
1964
- 1964-08-22 DE DEP34937A patent/DE1218071B/de active Pending
-
1965
- 1965-06-10 US US462807A patent/US3349282A/en not_active Expired - Lifetime
- 1965-08-17 NL NL6510719A patent/NL6510719A/xx unknown
- 1965-08-19 DK DK426565AA patent/DK113091B/da unknown
- 1965-08-19 GB GB35621/65A patent/GB1097706A/en not_active Expired
- 1965-08-19 CH CH1165765A patent/CH436495A/de unknown
- 1965-08-23 BE BE668691A patent/BE668691A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3349282A (en) | 1967-10-24 |
| CH436495A (de) | 1967-05-31 |
| NL6510719A (de) | 1966-02-23 |
| GB1097706A (en) | 1968-01-03 |
| DK113091B (da) | 1969-02-17 |
| DE1218071B (de) | 1966-06-02 |