FR718794A - Electric discharge tube having a cathode supported at one or more intermediate points - Google Patents

Electric discharge tube having a cathode supported at one or more intermediate points

Info

Publication number
FR718794A
FR718794A FR718794DA FR718794A FR 718794 A FR718794 A FR 718794A FR 718794D A FR718794D A FR 718794DA FR 718794 A FR718794 A FR 718794A
Authority
FR
France
Prior art keywords
discharge tube
electric discharge
intermediate points
cathode supported
cathode
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 FR718794A publication Critical patent/FR718794A/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
FR718794D 1930-07-19 1931-06-17 Electric discharge tube having a cathode supported at one or more intermediate points Expired FR718794A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL357444X 1930-07-19

Publications (1)

Publication Number Publication Date
FR718794A true FR718794A (en) 1932-01-28

Family

ID=19785273

Family Applications (1)

Application Number Title Priority Date Filing Date
FR718794D Expired FR718794A (en) 1930-07-19 1931-06-17 Electric discharge tube having a cathode supported at one or more intermediate points

Country Status (4)

Country Link
DE (1) DE602586C (en)
FR (1) FR718794A (en)
GB (1) GB357444A (en)
NL (1) NL35560C (en)

Also Published As

Publication number Publication date
NL35560C (en)
DE602586C (en) 1934-09-12
GB357444A (en) 1931-09-24

Similar Documents

Publication Publication Date Title
FR718794A (en) Electric discharge tube having a cathode supported at one or more intermediate points
FR47656E (en) Electric discharge tube
FR45132E (en) Electric discharge tube
FR708235A (en) Electric discharge tube having an indirectly heated cathode
FR723374A (en) Electric discharge tube
FR717583A (en) Electric discharge tube
FR707965A (en) Improvements made to electric discharge tubes
FR715188A (en) Metal-cased discharge tube
FR727891A (en) Electric discharge tube
FR718745A (en) Gas-filled electric discharge tube
FR735516A (en) Indirectly heated cathode electric discharge tube
FR718983A (en) Improvements made to electric discharge tubes
FR725479A (en) Gas discharge tube
FR713650A (en) Electric discharge tube comprising a cathode covered with an emissive substance
FR734217A (en) Electric discharge tube
FR719115A (en) Discharge tube
FR709710A (en) Electric discharge tube comprising a cathode, a grid and one or more other electrodes
FR715301A (en) Incandescent cathode tube
FR707413A (en) Electric discharge tube
FR722730A (en) Electric discharge tube
FR726361A (en) Electric discharge tube
FR708234A (en) Electric discharge tube
FR724911A (en) Gas-filled electric discharge tube
FR773176A (en) Gas-filled electric discharge tube
FR734466A (en) Electric discharge tubes