FR34112E - Improvements to electron-emitting cathodes - Google Patents
Improvements to electron-emitting cathodesInfo
- Publication number
- FR34112E FR34112E FR34112DA FR34112E FR 34112 E FR34112 E FR 34112E FR 34112D A FR34112D A FR 34112DA FR 34112 E FR34112 E FR 34112E
- Authority
- FR
- France
- Prior art keywords
- electron
- emitting cathodes
- cathodes
- emitting
- 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
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR34112T | 1927-07-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR34112E true FR34112E (en) | 1929-05-02 |
Family
ID=8671712
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR34112D Expired FR34112E (en) | 1927-07-06 | 1927-07-06 | Improvements to electron-emitting cathodes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR34112E (en) |
-
1927
- 1927-07-06 FR FR34112D patent/FR34112E/en not_active Expired
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