FR700961A - Electric discharge tube with elastically supported incandescent cathode formed from sections connected in parallel - Google Patents

Electric discharge tube with elastically supported incandescent cathode formed from sections connected in parallel

Info

Publication number
FR700961A
FR700961A FR700961DA FR700961A FR 700961 A FR700961 A FR 700961A FR 700961D A FR700961D A FR 700961DA FR 700961 A FR700961 A FR 700961A
Authority
FR
France
Prior art keywords
parallel
discharge tube
electric discharge
elastically supported
sections connected
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR700961A publication Critical patent/FR700961A/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
    • H01J1/18—Supports; Vibration-damping arrangements
FR700961D 1929-09-25 1930-08-21 Electric discharge tube with elastically supported incandescent cathode formed from sections connected in parallel Expired FR700961A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL353905X 1929-09-25

Publications (1)

Publication Number Publication Date
FR700961A true FR700961A (en) 1931-03-10

Family

ID=19785144

Family Applications (1)

Application Number Title Priority Date Filing Date
FR700961D Expired FR700961A (en) 1929-09-25 1930-08-21 Electric discharge tube with elastically supported incandescent cathode formed from sections connected in parallel

Country Status (5)

Country Link
US (1) US1980936A (en)
BE (1) BE372759A (en)
FR (1) FR700961A (en)
GB (1) GB353905A (en)
NL (1) NL28874C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2728017A (en) * 1942-05-06 1955-12-20 Sylvania Electric Prod Filament tensioning and supporting arrangements for electron tubes
FR1066747A (en) * 1951-11-23 1954-06-09
NL182557B (en) * 1953-11-04 Ngk Insulators Ltd SEALING PREPARATION AND PROCEDURE FOR CLOSING.
US3745401A (en) * 1972-02-15 1973-07-10 Atomic Energy Commission Filament support structure for large electron guns

Also Published As

Publication number Publication date
US1980936A (en) 1934-11-13
NL28874C (en)
BE372759A (en)
GB353905A (en) 1931-07-29

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