FR613098A - Lamp from t. s. f. double compensated filament - Google Patents

Lamp from t. s. f. double compensated filament

Info

Publication number
FR613098A
FR613098A FR613098DA FR613098A FR 613098 A FR613098 A FR 613098A FR 613098D A FR613098D A FR 613098DA FR 613098 A FR613098 A FR 613098A
Authority
FR
France
Prior art keywords
filament
lamp
compensated
double
double compensated
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
Jacques-Antoine-Mari Hawadier
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 FR613098A publication Critical patent/FR613098A/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
FR613098D 1925-07-10 1925-07-10 Lamp from t. s. f. double compensated filament Expired FR613098A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR613098T 1925-07-10

Publications (1)

Publication Number Publication Date
FR613098A true FR613098A (en) 1926-11-08

Family

ID=8979285

Family Applications (1)

Application Number Title Priority Date Filing Date
FR613098D Expired FR613098A (en) 1925-07-10 1925-07-10 Lamp from t. s. f. double compensated filament

Country Status (1)

Country Link
FR (1) FR613098A (en)

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