ES177023A1 - Mejoras en o relativas a válvulas termoiónicas - Google Patents
Mejoras en o relativas a válvulas termoiónicasInfo
- Publication number
- ES177023A1 ES177023A1 ES177023A ES177023A ES177023A1 ES 177023 A1 ES177023 A1 ES 177023A1 ES 177023 A ES177023 A ES 177023A ES 177023 A ES177023 A ES 177023A ES 177023 A1 ES177023 A1 ES 177023A1
- Authority
- ES
- Spain
- Prior art keywords
- thermotional
- valves
- relative
- thermotional valves
- 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
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/42—Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
- H01J2893/0002—Construction arrangements of electrode systems
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2021139A GB531903A (en) | 1939-07-11 | 1939-07-11 | Improvements in or relating to electron discharge devices |
Publications (1)
Publication Number | Publication Date |
---|---|
ES177023A1 true ES177023A1 (es) | 1947-04-16 |
Family
ID=10142258
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES177023A Expired ES177023A1 (es) | 1939-07-11 | 1947-02-28 | Mejoras en o relativas a válvulas termoiónicas |
Country Status (2)
Country | Link |
---|---|
ES (1) | ES177023A1 (es) |
GB (1) | GB531903A (es) |
-
1939
- 1939-07-11 GB GB2021139A patent/GB531903A/en not_active Expired
-
1947
- 1947-02-28 ES ES177023A patent/ES177023A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB531903A (en) | 1941-01-14 |
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