FR939018A - Electronic tubes - Google Patents

Electronic tubes

Info

Publication number
FR939018A
FR939018A FR939018DA FR939018A FR 939018 A FR939018 A FR 939018A FR 939018D A FR939018D A FR 939018DA FR 939018 A FR939018 A FR 939018A
Authority
FR
France
Prior art keywords
electronic tubes
tubes
electronic
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
French (fr)
Inventor
Charles Vincent Litton
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 FR939018A publication Critical patent/FR939018A/en
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
FR939018D 1946-03-23 1946-03-23 Electronic tubes Expired FR939018A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR939018T 1946-03-23

Publications (1)

Publication Number Publication Date
FR939018A true FR939018A (en) 1948-11-02

Family

ID=9458471

Family Applications (1)

Application Number Title Priority Date Filing Date
FR939018D Expired FR939018A (en) 1946-03-23 1946-03-23 Electronic tubes

Country Status (1)

Country Link
FR (1) FR939018A (en)

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