GB374699A - Improvements in and relating to electric discharge devices - Google Patents
Improvements in and relating to electric discharge devicesInfo
- Publication number
- GB374699A GB374699A GB23790/31A GB2379031A GB374699A GB 374699 A GB374699 A GB 374699A GB 23790/31 A GB23790/31 A GB 23790/31A GB 2379031 A GB2379031 A GB 2379031A GB 374699 A GB374699 A GB 374699A
- Authority
- GB
- United Kingdom
- Prior art keywords
- strip
- wires
- elements
- braced
- aug
- 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
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 2
- 229910000990 Ni alloy Inorganic materials 0.000 abstract 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 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
- 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
Landscapes
- Solid Thermionic Cathode (AREA)
- Discharge Lamp (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1930A0097530 DE618984C (de) | 1930-08-26 | 1930-08-26 | Gluehkathode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB374699A true GB374699A (en) | 1932-06-16 |
Family
ID=34812899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB23790/31A Expired GB374699A (en) | 1930-08-26 | 1931-08-24 | Improvements in and relating to electric discharge devices |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US1951216A (enrdf_load_stackoverflow) |
| BE (1) | BE382201A (enrdf_load_stackoverflow) |
| DE (1) | DE618984C (enrdf_load_stackoverflow) |
| FR (1) | FR719108A (enrdf_load_stackoverflow) |
| GB (1) | GB374699A (enrdf_load_stackoverflow) |
| NL (1) | NL31822C (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR830663A (fr) * | 1936-12-31 | 1938-08-05 | Rca Corp | Perfectionnements aux systèmes d'électrodes pour dispositifs à décharge électronique |
| DE744452C (de) * | 1940-03-29 | 1944-01-19 | Aeg | Unmittelbar geheizte Kathode, insbesondere fuer Hochleistungsroehren |
| DE10020266A1 (de) * | 2000-04-25 | 2001-11-08 | Siemens Ag | Thermionischer Flachemitter |
-
1930
- 1930-08-26 DE DE1930A0097530 patent/DE618984C/de not_active Expired
-
1931
- 1931-06-25 FR FR719108D patent/FR719108A/fr not_active Expired
- 1931-08-12 US US556709A patent/US1951216A/en not_active Expired - Lifetime
- 1931-08-24 GB GB23790/31A patent/GB374699A/en not_active Expired
- 1931-08-24 BE BE382201D patent/BE382201A/xx unknown
- 1931-08-24 NL NL58211A patent/NL31822C/xx active
Also Published As
| Publication number | Publication date |
|---|---|
| FR719108A (fr) | 1932-02-02 |
| DE618984C (de) | 1935-09-19 |
| US1951216A (en) | 1934-03-13 |
| NL31822C (enrdf_load_stackoverflow) | 1934-01-15 |
| BE382201A (enrdf_load_stackoverflow) | 1931-09-30 |
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