GB433520A - Improved incandescent cathode - Google Patents
Improved incandescent cathodeInfo
- Publication number
- GB433520A GB433520A GB4785/35A GB478535A GB433520A GB 433520 A GB433520 A GB 433520A GB 4785/35 A GB4785/35 A GB 4785/35A GB 478535 A GB478535 A GB 478535A GB 433520 A GB433520 A GB 433520A
- Authority
- GB
- United Kingdom
- Prior art keywords
- wire
- windings
- core
- helix
- wound
- 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
- 238000004804 winding Methods 0.000 abstract 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 3
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 239000000126 substance Substances 0.000 abstract 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 abstract 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical class O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 abstract 1
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Inorganic materials [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 abstract 1
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 abstract 1
- 229910001863 barium hydroxide Inorganic materials 0.000 abstract 1
- BDAGIHXWWSANSR-NJFSPNSNSA-N hydroxyformaldehyde Chemical compound O[14CH]=O BDAGIHXWWSANSR-NJFSPNSNSA-N 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 abstract 1
- 229910052753 mercury Inorganic materials 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 229910052750 molybdenum Inorganic materials 0.000 abstract 1
- 239000011733 molybdenum Substances 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 229910000018 strontium carbonate Inorganic materials 0.000 abstract 1
- 229910052721 tungsten Inorganic materials 0.000 abstract 1
- 239000010937 tungsten Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/04—Electrodes; Screens
- H01J17/06—Cathodes
-
- 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
Landscapes
- Solid Thermionic Cathode (AREA)
- Discharge Lamp (AREA)
- Microwave Tubes (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE433520X | 1934-04-17 | ||
| US16486A US2273762A (en) | 1934-04-17 | 1935-04-15 | Incandescible cathode |
| US370538A US2273763A (en) | 1934-04-17 | 1940-12-17 | Incandescible cathode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB433520A true GB433520A (en) | 1935-08-15 |
Family
ID=32096462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4785/35A Expired GB433520A (en) | 1934-04-17 | 1935-02-14 | Improved incandescent cathode |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2273763A (en:Method) |
| FR (1) | FR788959A (en:Method) |
| GB (1) | GB433520A (en:Method) |
| NL (2) | NL48681C (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL48805C (en:Method) * | 1936-09-01 | |||
| US2422469A (en) * | 1945-07-09 | 1947-06-17 | Edward A Coomes | Electron emitting cathode |
| US2447038A (en) * | 1945-10-31 | 1948-08-17 | Raytheon Mfg Co | Cathode structure |
-
0
- NL NL43688D patent/NL43688C/xx active
- NL NL48681D patent/NL48681C/xx active
-
1935
- 1935-02-14 GB GB4785/35A patent/GB433520A/en not_active Expired
- 1935-04-17 FR FR788959D patent/FR788959A/fr not_active Expired
-
1940
- 1940-12-17 US US370538A patent/US2273763A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2273763A (en) | 1942-02-17 |
| NL48681C (en:Method) | |
| NL43688C (en:Method) | |
| FR788959A (fr) | 1935-10-21 |
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