FR654367A - Perfectionnements aux lampes de t. s. f. - Google Patents

Perfectionnements aux lampes de t. s. f.

Info

Publication number
FR654367A
FR654367A FR654367DA FR654367A FR 654367 A FR654367 A FR 654367A FR 654367D A FR654367D A FR 654367DA FR 654367 A FR654367 A FR 654367A
Authority
FR
France
Prior art keywords
enhancements
lamps
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
English (en)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR654367A publication Critical patent/FR654367A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/20—Tubes with more than one discharge path; Multiple tubes, e.g. double diode, triode-hexode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/003—Tubes with plural electrode systems
FR654367D 1927-05-19 1928-05-16 Perfectionnements aux lampes de t. s. f. Expired FR654367A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB654367X 1927-05-19

Publications (1)

Publication Number Publication Date
FR654367A true FR654367A (fr) 1929-04-05

Family

ID=10490394

Family Applications (1)

Application Number Title Priority Date Filing Date
FR654367D Expired FR654367A (fr) 1927-05-19 1928-05-16 Perfectionnements aux lampes de t. s. f.

Country Status (1)

Country Link
FR (1) FR654367A (fr)

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