FR979880A - Electro-mechanical ignition device for heated cathode discharge tubes - Google Patents

Electro-mechanical ignition device for heated cathode discharge tubes

Info

Publication number
FR979880A
FR979880A FR979880DA FR979880A FR 979880 A FR979880 A FR 979880A FR 979880D A FR979880D A FR 979880DA FR 979880 A FR979880 A FR 979880A
Authority
FR
France
Prior art keywords
electro
ignition device
discharge tubes
cathode discharge
heated 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
Louis Knecht
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 FR979880A publication Critical patent/FR979880A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/02—Details
    • H05B41/04—Starting switches
    • H05B41/10—Starting switches magnetic only
FR979880D 1949-02-02 1949-02-02 Electro-mechanical ignition device for heated cathode discharge tubes Expired FR979880A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR979880T 1949-02-02

Publications (1)

Publication Number Publication Date
FR979880A true FR979880A (en) 1951-05-04

Family

ID=9521427

Family Applications (1)

Application Number Title Priority Date Filing Date
FR979880D Expired FR979880A (en) 1949-02-02 1949-02-02 Electro-mechanical ignition device for heated cathode discharge tubes

Country Status (1)

Country Link
FR (1) FR979880A (en)

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