FR901727A - Incandescent cathode for electronic lamp - Google Patents

Incandescent cathode for electronic lamp

Info

Publication number
FR901727A
FR901727A FR901727DA FR901727A FR 901727 A FR901727 A FR 901727A FR 901727D A FR901727D A FR 901727DA FR 901727 A FR901727 A FR 901727A
Authority
FR
France
Prior art keywords
electronic lamp
incandescent cathode
incandescent
cathode
lamp
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)
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.)
GEMA GES FU R ELEKTROAKUSTISCH
Original Assignee
GEMA GES FU R ELEKTROAKUSTISCH
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 GEMA GES FU R ELEKTROAKUSTISCH filed Critical GEMA GES FU R ELEKTROAKUSTISCH
Application granted granted Critical
Publication of FR901727A publication Critical patent/FR901727A/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
    • H01J1/15—Cathodes heated directly by an electric current
FR901727D 1942-05-19 1944-02-02 Incandescent cathode for electronic lamp Expired FR901727A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE901727X 1942-05-19

Publications (1)

Publication Number Publication Date
FR901727A true FR901727A (en) 1945-08-03

Family

ID=6860540

Family Applications (1)

Application Number Title Priority Date Filing Date
FR901727D Expired FR901727A (en) 1942-05-19 1944-02-02 Incandescent cathode for electronic lamp

Country Status (1)

Country Link
FR (1) FR901727A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1034779B (en) * 1954-10-22 1958-07-24 Gen Electric Cathode for high frequency tubes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1034779B (en) * 1954-10-22 1958-07-24 Gen Electric Cathode for high frequency tubes

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