FR34845E - - Google Patents
Info
- Publication number
- FR34845E FR34845E FR34845DA FR34845E FR 34845 E FR34845 E FR 34845E FR 34845D A FR34845D A FR 34845DA FR 34845 E FR34845 E FR 34845E
- Authority
- FR
- France
- 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
- H01J1/15—Cathodes heated directly by an electric current
- H01J1/18—Supports; Vibration-damping arrangements
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR34845E true FR34845E (en) | 1927-10-21 |
Family
ID=1362700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR34845D Expired FR34845E (en) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR34845E (en) |
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0
- FR FR34845D patent/FR34845E/fr not_active Expired