GB381581A - Improvements in and relating to vapour electric devices - Google Patents
Improvements in and relating to vapour electric devicesInfo
- Publication number
- GB381581A GB381581A GB18278/31A GB1827831A GB381581A GB 381581 A GB381581 A GB 381581A GB 18278/31 A GB18278/31 A GB 18278/31A GB 1827831 A GB1827831 A GB 1827831A GB 381581 A GB381581 A GB 381581A
- Authority
- GB
- United Kingdom
- Prior art keywords
- chamber
- cathode
- auxiliary chamber
- main
- june
- 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
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 150000001340 alkali metals Chemical class 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 239000011521 glass Substances 0.000 abstract 1
- 239000000395 magnesium oxide 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
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 239000010453 quartz Substances 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 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
- H01J17/50—Thermionic-cathode tubes
- H01J17/58—Thermionic-cathode tubes with more than one cathode or anode
Landscapes
- Discharge Lamp (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US381581XA | 1930-06-26 | 1930-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB381581A true GB381581A (en) | 1932-09-26 |
Family
ID=21898374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB18278/31A Expired GB381581A (en) | 1930-06-26 | 1931-06-24 | Improvements in and relating to vapour electric devices |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE380871A (enrdf_load_stackoverflow) |
| FR (1) | FR718823A (enrdf_load_stackoverflow) |
| GB (1) | GB381581A (enrdf_load_stackoverflow) |
| NL (1) | NL36486C (enrdf_load_stackoverflow) |
-
0
- NL NL36486D patent/NL36486C/xx active
- BE BE380871D patent/BE380871A/xx unknown
-
1931
- 1931-06-18 FR FR718823D patent/FR718823A/fr not_active Expired
- 1931-06-24 GB GB18278/31A patent/GB381581A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE380871A (enrdf_load_stackoverflow) | |
| FR718823A (fr) | 1932-01-29 |
| NL36486C (enrdf_load_stackoverflow) |
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