FR56260E - Improvement to the incandescent cathode of discharge devices - Google Patents

Improvement to the incandescent cathode of discharge devices

Info

Publication number
FR56260E
FR56260E FR56260DA FR56260E FR 56260 E FR56260 E FR 56260E FR 56260D A FR56260D A FR 56260DA FR 56260 E FR56260 E FR 56260E
Authority
FR
France
Prior art keywords
improvement
discharge devices
incandescent cathode
incandescent
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)
Inventor
Alexandre Van Dyck
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 filed Critical
Application granted granted Critical
Publication of FR56260E publication Critical patent/FR56260E/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details 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
    • H01J1/02Main electrodes
    • H01J1/13Solid thermionic cathodes
    • H01J1/15Cathodes heated directly by an electric current
FR56260D 1944-02-28 1944-02-28 Improvement to the incandescent cathode of discharge devices Expired FR56260E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR56260T 1944-02-28

Publications (1)

Publication Number Publication Date
FR56260E true FR56260E (en) 1952-09-22

Family

ID=8690510

Family Applications (1)

Application Number Title Priority Date Filing Date
FR56260D Expired FR56260E (en) 1944-02-28 1944-02-28 Improvement to the incandescent cathode of discharge devices

Country Status (1)

Country Link
FR (1) FR56260E (en)

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