BE571711A - - Google Patents
Info
- Publication number
- BE571711A BE571711A BE571711DA BE571711A BE 571711 A BE571711 A BE 571711A BE 571711D A BE571711D A BE 571711DA BE 571711 A BE571711 A BE 571711A
- 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
- H01J1/28—Dispenser-type cathodes, e.g. L-cathode
-
- 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
-
- 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
- H01J1/15—Cathodes heated directly by an electric current
-
- 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
- H01J1/15—Cathodes heated directly by an electric current
- H01J1/16—Cathodes heated directly by an electric current characterised by the shape
-
- 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
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Solid Thermionic Cathode (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL221344 | 1957-10-04 | ||
| NL225825 | 1958-03-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE571711A true BE571711A (OSRAM) |
Family
ID=26641626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE571711D BE571711A (OSRAM) | 1957-10-04 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2949557A (OSRAM) |
| BE (1) | BE571711A (OSRAM) |
| CH (1) | CH366905A (OSRAM) |
| DE (1) | DE1063718B (OSRAM) |
| FR (1) | FR1204038A (OSRAM) |
| GB (1) | GB829339A (OSRAM) |
| NL (1) | NL95320C (OSRAM) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3318716A (en) * | 1962-09-11 | 1967-05-09 | Pennsalt Chemicals Corp | Foam reduction and coating |
| DE1169039B (de) | 1959-09-03 | 1964-04-30 | Ass Elect Ind | Indirekt geheizte Kathode mit einem isolierten, um einen federnd gespannten Draht gewickelten Heizdraht |
| NL272248A (OSRAM) * | 1960-12-15 | |||
| DE1180468B (de) * | 1961-04-21 | 1964-10-29 | Siemens Elektrogeraete Gmbh | Garraum eines HF-Strahlungsherdes |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2526054A (en) * | 1940-03-13 | 1950-10-17 | M O Valve Co Ltd | Electrode assembly for very highfrequency electron discharge devices |
| GB582162A (en) * | 1940-03-13 | 1946-11-07 | M O Valve Co Ltd | Improvements in thermionic valves adapted to operate at very high frequencies |
| BE518861A (OSRAM) * | 1952-04-01 |
-
0
- NL NL95320D patent/NL95320C/xx active
- BE BE571711D patent/BE571711A/xx unknown
-
1958
- 1958-09-30 DE DEN15644A patent/DE1063718B/de active Pending
- 1958-10-01 CH CH6455758A patent/CH366905A/de unknown
- 1958-10-01 GB GB31349/58A patent/GB829339A/en not_active Expired
- 1958-10-03 US US765254A patent/US2949557A/en not_active Expired - Lifetime
- 1958-10-03 FR FR1204038D patent/FR1204038A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL95320C (OSRAM) | |
| GB829339A (en) | 1960-03-02 |
| DE1063718B (de) | 1959-08-20 |
| CH366905A (de) | 1963-01-31 |
| FR1204038A (fr) | 1960-01-22 |
| US2949557A (en) | 1960-08-16 |