GB400410A - Improvements in and relating to electric discharge tubes - Google Patents
Improvements in and relating to electric discharge tubesInfo
- Publication number
- GB400410A GB400410A GB28710/32A GB2871032A GB400410A GB 400410 A GB400410 A GB 400410A GB 28710/32 A GB28710/32 A GB 28710/32A GB 2871032 A GB2871032 A GB 2871032A GB 400410 A GB400410 A GB 400410A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cathode
- control grid
- space
- oct
- 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
- 239000007789 gas Substances 0.000 abstract 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 150000001340 alkali metals Chemical class 0.000 abstract 1
- 229910052788 barium Inorganic materials 0.000 abstract 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 abstract 1
- 239000001307 helium Substances 0.000 abstract 1
- 229910052734 helium Inorganic materials 0.000 abstract 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 abstract 1
- 229910052749 magnesium Inorganic materials 0.000 abstract 1
- 239000011777 magnesium Substances 0.000 abstract 1
- 239000000203 mixture 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
- H01J17/38—Cold-cathode tubes
- H01J17/40—Cold-cathode tubes with one cathode and one anode, e.g. glow tubes, tuning-indicator glow tubes, voltage-stabiliser tubes, voltage-indicator tubes
- H01J17/44—Cold-cathode tubes with one cathode and one anode, e.g. glow tubes, tuning-indicator glow tubes, voltage-stabiliser tubes, voltage-indicator tubes having one or more control electrodes
Landscapes
- Discharge Lamp (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE400410X | 1931-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB400410A true GB400410A (en) | 1933-10-26 |
Family
ID=6399871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB28710/32A Expired GB400410A (en) | 1931-10-20 | 1932-10-14 | Improvements in and relating to electric discharge tubes |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US1992888A (enrdf_load_stackoverflow) |
| FR (1) | FR743873A (enrdf_load_stackoverflow) |
| GB (1) | GB400410A (enrdf_load_stackoverflow) |
-
0
- FR FR743873D patent/FR743873A/fr not_active Expired
-
1932
- 1932-10-14 GB GB28710/32A patent/GB400410A/en not_active Expired
- 1932-10-17 US US638196A patent/US1992888A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR743873A (enrdf_load_stackoverflow) | 1933-04-07 |
| US1992888A (en) | 1935-02-26 |
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