GB307856A - Improvements in vacuum electric tube devices - Google Patents
Improvements in vacuum electric tube devicesInfo
- Publication number
- GB307856A GB307856A GB3375227A GB3375227A GB307856A GB 307856 A GB307856 A GB 307856A GB 3375227 A GB3375227 A GB 3375227A GB 3375227 A GB3375227 A GB 3375227A GB 307856 A GB307856 A GB 307856A
- Authority
- GB
- United Kingdom
- Prior art keywords
- heater
- resistance
- cathode
- electrode system
- screening
- 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
- 238000012216 screening Methods 0.000 abstract 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 229910052573 porcelain Inorganic materials 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J21/00—Vacuum tubes
- H01J21/02—Tubes with a single discharge path
- H01J21/06—Tubes with a single discharge path having electrostatic control means only
- H01J21/10—Tubes with a single discharge path having electrostatic control means only with one or more immovable internal control electrodes, e.g. triode, pentode, octode
-
- 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
- H01J19/28—Non-electron-emitting electrodes; Screens
- H01J19/40—Screens for shielding
Landscapes
- Measuring Fluid Pressure (AREA)
- Resistance Heating (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL25962D NL25962C (enrdf_load_stackoverflow) | 1927-12-13 | ||
GB3375227A GB307856A (en) | 1927-12-13 | 1927-12-13 | Improvements in vacuum electric tube devices |
GB3375327A GB307857A (en) | 1927-12-13 | 1927-12-13 | Improvements in vacuum electric tube devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3375227A GB307856A (en) | 1927-12-13 | 1927-12-13 | Improvements in vacuum electric tube devices |
Publications (1)
Publication Number | Publication Date |
---|---|
GB307856A true GB307856A (en) | 1929-03-13 |
Family
ID=10356984
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3375227A Expired GB307856A (en) | 1927-12-13 | 1927-12-13 | Improvements in vacuum electric tube devices |
GB3375327A Expired GB307857A (en) | 1927-12-13 | 1927-12-13 | Improvements in vacuum electric tube devices |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3375327A Expired GB307857A (en) | 1927-12-13 | 1927-12-13 | Improvements in vacuum electric tube devices |
Country Status (2)
Country | Link |
---|---|
GB (2) | GB307856A (enrdf_load_stackoverflow) |
NL (1) | NL25962C (enrdf_load_stackoverflow) |
-
0
- NL NL25962D patent/NL25962C/xx active
-
1927
- 1927-12-13 GB GB3375227A patent/GB307856A/en not_active Expired
- 1927-12-13 GB GB3375327A patent/GB307857A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL25962C (enrdf_load_stackoverflow) | |
GB307857A (en) | 1929-03-13 |
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