FR1216996A - Perfectionnements aux cathodes à chauffage indirect - Google Patents
Perfectionnements aux cathodes à chauffage indirectInfo
- Publication number
- FR1216996A FR1216996A FR778276A FR778276A FR1216996A FR 1216996 A FR1216996 A FR 1216996A FR 778276 A FR778276 A FR 778276A FR 778276 A FR778276 A FR 778276A FR 1216996 A FR1216996 A FR 1216996A
- Authority
- FR
- France
- Prior art keywords
- indirectly heated
- heated cathodes
- cathodes
- indirectly
- heated
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
- H01J3/02—Electron guns
- H01J3/027—Construction of the gun or parts thereof
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1216996XA | 1957-11-04 | 1957-11-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1216996A true FR1216996A (fr) | 1960-04-29 |
Family
ID=22398268
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR778276A Expired FR1216996A (fr) | 1957-11-04 | 1958-11-04 | Perfectionnements aux cathodes à chauffage indirect |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1216996A (fr) |
-
1958
- 1958-11-04 FR FR778276A patent/FR1216996A/fr not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR1119000A (fr) | Perfectionnements aux radiateurs à infra-rouge | |
FR1208869A (fr) | Perfectionnements relatifs aux polyphosphates | |
FR1181899A (fr) | Cathode thermoémissive à chauffage indirect | |
FR1216996A (fr) | Perfectionnements aux cathodes à chauffage indirect | |
FR1193593A (fr) | Perfectionnements aux couvertures chauffantes électriques | |
FR74593E (fr) | Perfectionnements aux cathodes à chauffage indirect | |
FR1147627A (fr) | Perfectionnements apportés aux étais | |
FR1226931A (fr) | Cathode à chauffage indirect | |
FR1273216A (fr) | Perfectionnements aux cathodes à chauffage indirect pour tubes électroniques | |
FR1188166A (fr) | Perfectionnements apportés aux fermetures à glissière | |
FR1182295A (fr) | Perfectionnements aux métiers à tisser | |
FR1206984A (fr) | Perfectionnements aux fers à repasser électriques | |
FR1188237A (fr) | Panneau chauffant | |
FR1152421A (fr) | Perfectionnements aux chaussures | |
FR1148488A (fr) | Cathode à chauffage indirect | |
FR1265355A (fr) | Cathode à chauffage indirect | |
FR1209368A (fr) | Perfectionnements aux métiers à tisser | |
FR1174463A (fr) | Perfectionnements aux métiers à tisser | |
FR1176263A (fr) | Perfectionnement aux chaussures | |
FR1208584A (fr) | Perfectionnements aux jauges à rayonnement | |
FR70390E (fr) | Perfectionnements aux chaussures | |
FR1206103A (fr) | Perfectionnements relatifs aux embrayages | |
FR1190472A (fr) | Perfectionnements aux appareils de chauffage | |
FR1185769A (fr) | Perfectionnements aux chaussures | |
FR1208965A (fr) | Perfectionnements aux chaussures |