FR700939A - Gas-filled discharge tubes - Google Patents

Gas-filled discharge tubes

Info

Publication number
FR700939A
FR700939A FR700939DA FR700939A FR 700939 A FR700939 A FR 700939A FR 700939D A FR700939D A FR 700939DA FR 700939 A FR700939 A FR 700939A
Authority
FR
France
Prior art keywords
gas
discharge tubes
filled discharge
filled
tubes
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.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Application granted granted Critical
Publication of FR700939A publication Critical patent/FR700939A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/28—Non-electron-emitting electrodes; Screens
    • H01J19/30—Non-electron-emitting electrodes; Screens characterised by the material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0012—Constructional arrangements
    • H01J2893/0019—Chemical composition and manufacture
    • H01J2893/002—Chemical composition and manufacture chemical
FR700939D 1929-12-21 1930-08-21 Gas-filled discharge tubes Expired FR700939A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE700939X 1929-12-21

Publications (1)

Publication Number Publication Date
FR700939A true FR700939A (en) 1931-03-09

Family

ID=6610159

Family Applications (1)

Application Number Title Priority Date Filing Date
FR700939D Expired FR700939A (en) 1929-12-21 1930-08-21 Gas-filled discharge tubes

Country Status (1)

Country Link
FR (1) FR700939A (en)

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