FR1183548A - Tube thermoionique - Google Patents

Tube thermoionique

Info

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
Application number
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.)
MO Valve Co Ltd
Original Assignee
MO Valve Co Ltd
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 MO Valve Co Ltd filed Critical MO Valve Co Ltd
Application granted granted Critical
Publication of FR1183548A publication Critical patent/FR1183548A/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
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode
FR1183548D 1956-10-18 1957-09-28 Tube thermoionique Expired FR1183548A (fr)

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)

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