FR928819A - Cathodes pour tubes électroniques - Google Patents

Cathodes pour tubes électroniques

Info

Publication number
FR928819A
FR928819A FR928819DA FR928819A FR 928819 A FR928819 A FR 928819A FR 928819D A FR928819D A FR 928819DA FR 928819 A FR928819 A FR 928819A
Authority
FR
France
Prior art keywords
cathodes
electron tubes
tubes
electron
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)
Inventor
Andrew F Stanier
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR928819A publication Critical patent/FR928819A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48—Electron guns
    • H01J29/485—Construction of the gun or of parts thereof
    • 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
    • H01J1/14—Solid thermionic cathodes characterised by the material
FR928819D 1946-04-04 1946-04-04 Cathodes pour tubes électroniques Expired FR928819A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR928819T 1946-04-04

Publications (1)

Publication Number Publication Date
FR928819A true FR928819A (fr) 1947-12-09

Family

ID=9442065

Family Applications (1)

Application Number Title Priority Date Filing Date
FR928819D Expired FR928819A (fr) 1946-04-04 1946-04-04 Cathodes pour tubes électroniques

Country Status (1)

Country Link
FR (1) FR928819A (fr)

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