FR32708E - Lamp from t. s. f. double compensated filament - Google Patents

Lamp from t. s. f. double compensated filament

Info

Publication number
FR32708E
FR32708E FR32708DA FR32708E FR 32708 E FR32708 E FR 32708E FR 32708D A FR32708D A FR 32708DA FR 32708 E FR32708 E FR 32708E
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 FR32708E publication Critical patent/FR32708E/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
    • H01J1/135—Circuit arrangements therefor, e.g. for temperature control
FR32708D 1926-07-06 1926-07-06 Lamp from t. s. f. double compensated filament Expired FR32708E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR32708T 1926-07-06

Publications (1)

Publication Number Publication Date
FR32708E true FR32708E (en) 1928-02-21

Family

ID=8670401

Family Applications (1)

Application Number Title Priority Date Filing Date
FR32708D Expired FR32708E (en) 1926-07-06 1926-07-06 Lamp from t. s. f. double compensated filament

Country Status (1)

Country Link
FR (1) FR32708E (en)

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