FR1216996A - Perfectionnements aux cathodes à chauffage indirect - Google Patents

Perfectionnements aux cathodes à chauffage indirect

Info

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
Application number
FR778276A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR1216996A publication Critical patent/FR1216996A/fr
Expired legal-status Critical Current

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
FR778276A 1957-11-04 1958-11-04 Perfectionnements aux cathodes à chauffage indirect Expired FR1216996A (fr)

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)

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