FR1183548A - Tube thermoionique - Google Patents
Tube thermoioniqueInfo
- Publication number
- FR1183548A FR1183548A FR1183548DA FR1183548A FR 1183548 A FR1183548 A FR 1183548A FR 1183548D A FR1183548D A FR 1183548DA FR 1183548 A FR1183548 A FR 1183548A
- Authority
- FR
- France
- Prior art keywords
- thermionic tube
- thermionic
- tube
- 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
- H01J1/28—Dispenser-type cathodes, e.g. L-cathode
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1183548X | 1956-10-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1183548A true FR1183548A (fr) | 1959-07-08 |
Family
ID=10880513
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1183548D Expired FR1183548A (fr) | 1956-10-18 | 1957-09-28 | Tube thermoionique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1183548A (fr) |
-
1957
- 1957-09-28 FR FR1183548D patent/FR1183548A/fr not_active Expired
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