FR697050A - Improvements to electrionic discharge devices - Google Patents
Improvements to electrionic discharge devicesInfo
- Publication number
- FR697050A FR697050A FR697050DA FR697050A FR 697050 A FR697050 A FR 697050A FR 697050D A FR697050D A FR 697050DA FR 697050 A FR697050 A FR 697050A
- Authority
- FR
- France
- Prior art keywords
- electrionic
- discharge devices
- discharge
- devices
- electrionic discharge
- 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
- H01J21/00—Vacuum tubes
- H01J21/02—Tubes with a single discharge path
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US697050XA | 1929-06-05 | 1929-06-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR697050A true FR697050A (en) | 1931-01-10 |
Family
ID=22090687
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR697050D Expired FR697050A (en) | 1929-06-05 | 1930-06-02 | Improvements to electrionic discharge devices |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR697050A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE751159C (en) * | 1933-08-02 | 1953-02-02 | Emi Ltd | Discharge tubes with at least the following electrodes: a cathode, a control grid, an anode and a screen grid between anode and control grid, between whose screen grid and anode a brake chamber charge is to be formed |
-
1930
- 1930-06-02 FR FR697050D patent/FR697050A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE751159C (en) * | 1933-08-02 | 1953-02-02 | Emi Ltd | Discharge tubes with at least the following electrodes: a cathode, a control grid, an anode and a screen grid between anode and control grid, between whose screen grid and anode a brake chamber charge is to be formed |
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