FR809163A - Electric discharge tube - Google Patents

Electric discharge tube

Info

Publication number
FR809163A
FR809163A FR809163DA FR809163A FR 809163 A FR809163 A FR 809163A FR 809163D A FR809163D A FR 809163DA FR 809163 A FR809163 A FR 809163A
Authority
FR
France
Prior art keywords
electric discharge
discharge tube
tube
electric
discharge
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 FR809163A publication Critical patent/FR809163A/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
FR809163D 1935-08-03 1936-07-07 Electric discharge tube Expired FR809163A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL475521X 1935-08-03

Publications (1)

Publication Number Publication Date
FR809163A true FR809163A (en) 1937-02-25

Family

ID=19786516

Family Applications (1)

Application Number Title Priority Date Filing Date
FR809163D Expired FR809163A (en) 1935-08-03 1936-07-07 Electric discharge tube

Country Status (3)

Country Link
FR (1) FR809163A (en)
GB (1) GB475521A (en)
NL (1) NL43494C (en)

Also Published As

Publication number Publication date
NL43494C (en)
GB475521A (en) 1937-11-22

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