FR904002A - Filaments de chauffage pour cathodes - Google Patents
Filaments de chauffage pour cathodesInfo
- Publication number
- FR904002A FR904002A FR904002DA FR904002A FR 904002 A FR904002 A FR 904002A FR 904002D A FR904002D A FR 904002DA FR 904002 A FR904002 A FR 904002A
- Authority
- FR
- France
- Prior art keywords
- cathodes
- heating filaments
- filaments
- heating
- 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 |
---|---|---|---|
DE904002X | 1943-05-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR904002A true FR904002A (fr) | 1945-10-24 |
Family
ID=6861668
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR904002D Expired FR904002A (fr) | 1943-05-05 | 1944-05-05 | Filaments de chauffage pour cathodes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR904002A (fr) |
-
1944
- 1944-05-05 FR FR904002D patent/FR904002A/fr not_active Expired
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