FR51921E - Cathode - Google Patents
CathodeInfo
- Publication number
- FR51921E FR51921E FR51921DA FR51921E FR 51921 E FR51921 E FR 51921E FR 51921D A FR51921D A FR 51921DA FR 51921 E FR51921 E FR 51921E
- Authority
- FR
- France
- Prior art keywords
- cathode
- 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
- H01J1/22—Heaters
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR51921T | 1942-01-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR51921E true FR51921E (fr) | 1943-05-25 |
Family
ID=8686670
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR51921D Expired FR51921E (fr) | 1942-01-16 | 1942-01-16 | Cathode |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR51921E (fr) |
-
1942
- 1942-01-16 FR FR51921D patent/FR51921E/fr not_active Expired
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