FR874615A - Electron Discharge Device Cathode-Filament Holder - Google Patents
Electron Discharge Device Cathode-Filament HolderInfo
- Publication number
- FR874615A FR874615A FR874615DA FR874615A FR 874615 A FR874615 A FR 874615A FR 874615D A FR874615D A FR 874615DA FR 874615 A FR874615 A FR 874615A
- Authority
- FR
- France
- Prior art keywords
- discharge device
- electron discharge
- filament holder
- device cathode
- 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
- H01J1/15—Cathodes heated directly by an electric current
- H01J1/18—Supports; Vibration-damping arrangements
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US355741A US2259703A (en) | 1940-09-07 | 1940-09-07 | Filamentary cathode support |
Publications (1)
Publication Number | Publication Date |
---|---|
FR874615A true FR874615A (en) | 1942-08-13 |
Family
ID=23398655
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR874615D Expired FR874615A (en) | 1940-09-07 | 1941-08-02 | Electron Discharge Device Cathode-Filament Holder |
Country Status (2)
Country | Link |
---|---|
US (1) | US2259703A (en) |
FR (1) | FR874615A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2728017A (en) * | 1942-05-06 | 1955-12-20 | Sylvania Electric Prod | Filament tensioning and supporting arrangements for electron tubes |
US2570606A (en) * | 1949-05-12 | 1951-10-09 | Rca Corp | Damper bar for filamentary cathodes |
US2751517A (en) * | 1951-11-01 | 1956-06-19 | Machlett Lab Inc | Filament structure for electron tube |
US2880352A (en) * | 1956-02-17 | 1959-03-31 | Rca Corp | Grid and filament damper bar assembly |
US3122671A (en) * | 1962-01-31 | 1964-02-25 | John M Bennett | Mount structure for filamentary cathodes |
-
1940
- 1940-09-07 US US355741A patent/US2259703A/en not_active Expired - Lifetime
-
1941
- 1941-08-02 FR FR874615D patent/FR874615A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2259703A (en) | 1941-10-21 |
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