GB430853A - Improvements in or relating to indirectly heated cathodes for electron discharge tubes - Google Patents
Improvements in or relating to indirectly heated cathodes for electron discharge tubesInfo
- Publication number
- GB430853A GB430853A GB12783/34A GB1278334A GB430853A GB 430853 A GB430853 A GB 430853A GB 12783/34 A GB12783/34 A GB 12783/34A GB 1278334 A GB1278334 A GB 1278334A GB 430853 A GB430853 A GB 430853A
- Authority
- GB
- United Kingdom
- Prior art keywords
- coated
- vanadium trioxide
- indirectly heated
- paste
- relating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- H01J1/26—Supports for the emissive material
Landscapes
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
- Discharge Lamp (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL430853X | 1933-07-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB430853A true GB430853A (en) | 1935-06-26 |
Family
ID=19786148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB12783/34A Expired GB430853A (en) | 1933-07-13 | 1934-04-27 | Improvements in or relating to indirectly heated cathodes for electron discharge tubes |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2057124A (fr) |
| BE (1) | BE404192A (fr) |
| FR (1) | FR775737A (fr) |
| GB (1) | GB430853A (fr) |
| NL (1) | NL40799C (fr) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE855606C (de) * | 1943-01-15 | 1952-11-13 | Philips Nv | Elektrische Entladungsroehre und Verfahren zu ihrer Herstellung |
| US2889445A (en) * | 1955-03-28 | 1959-06-02 | Herman B Wolf | Electrically heated mat |
| US3062507A (en) * | 1957-11-18 | 1962-11-06 | Smith Corp A O | Multi-layer vessel having a heat transfer material disposed between layers |
| US3009044A (en) * | 1960-07-11 | 1961-11-14 | Doehler Hans | Electric resistance element for space heaters |
| GB970426A (en) * | 1961-02-09 | 1964-09-23 | Scholemann Ag | Improvements in electrically heated billet-containers for metal-extrusion or tube presses |
| US3662211A (en) * | 1961-03-15 | 1972-05-09 | Gen Electric | Cathode construction |
| US3958146A (en) * | 1974-02-08 | 1976-05-18 | Gte Sylvania Incorporated | Fast warm up picture tube cathode cap having high heat emissivity surface on the interior thereof |
| US4009409A (en) * | 1975-09-02 | 1977-02-22 | Gte Sylvania Incorporated | Fast warmup cathode and method of making same |
| US5156728A (en) * | 1987-02-12 | 1992-10-20 | Terumo Kabushiki Kaisha | Ion sensor |
-
0
- NL NL40799D patent/NL40799C/xx active
- BE BE404192D patent/BE404192A/xx unknown
-
1934
- 1934-04-27 GB GB12783/34A patent/GB430853A/en not_active Expired
- 1934-05-02 US US723510A patent/US2057124A/en not_active Expired - Lifetime
- 1934-07-11 FR FR775737D patent/FR775737A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE404192A (fr) | |
| FR775737A (fr) | 1935-01-08 |
| NL40799C (fr) | |
| US2057124A (en) | 1936-10-13 |
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