FR739863A - Electric discharge tubes - Google Patents
Electric discharge tubesInfo
- Publication number
- FR739863A FR739863A FR739863DA FR739863A FR 739863 A FR739863 A FR 739863A FR 739863D A FR739863D A FR 739863DA FR 739863 A FR739863 A FR 739863A
- Authority
- FR
- France
- Prior art keywords
- electric discharge
- discharge tubes
- tubes
- electric
- 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
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/28—Non-electron-emitting electrodes; Screens
- H01J19/38—Control electrodes, e.g. grid
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL739863X | 1931-07-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR739863A true FR739863A (en) | 1933-01-18 |
Family
ID=19820494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR739863D Expired FR739863A (en) | 1931-07-27 | 1932-07-09 | Electric discharge tubes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR739863A (en) |
-
1932
- 1932-07-09 FR FR739863D patent/FR739863A/en not_active Expired
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