FR41505E - Improvements to discharge tubes with control electrode - Google Patents
Improvements to discharge tubes with control electrodeInfo
- Publication number
- FR41505E FR41505E FR41505DA FR41505E FR 41505 E FR41505 E FR 41505E FR 41505D A FR41505D A FR 41505DA FR 41505 E FR41505 E FR 41505E
- Authority
- FR
- France
- Prior art keywords
- control electrode
- discharge tubes
- tubes
- discharge
- electrode
- 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
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/04—Electrodes; Screens
- H01J17/06—Cathodes
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US395794XA | 1931-02-19 | 1931-02-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR41505E true FR41505E (en) | 1933-01-27 |
Family
ID=21906219
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR41505D Expired FR41505E (en) | 1931-02-19 | 1932-02-19 | Improvements to discharge tubes with control electrode |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE621137C (en) |
FR (1) | FR41505E (en) |
GB (1) | GB395794A (en) |
NL (1) | NL36744C (en) |
-
0
- NL NL36744D patent/NL36744C/xx active
-
1932
- 1932-02-13 DE DEA65073D patent/DE621137C/en not_active Expired
- 1932-02-19 FR FR41505D patent/FR41505E/en not_active Expired
- 1932-02-19 GB GB5028/32A patent/GB395794A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB395794A (en) | 1933-07-27 |
NL36744C (en) | |
DE621137C (en) | 1935-11-01 |
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