FR871549A - Improvements made to electric discharge tubes - Google Patents

Improvements made to electric discharge tubes

Info

Publication number
FR871549A
FR871549A FR871549DA FR871549A FR 871549 A FR871549 A FR 871549A FR 871549D A FR871549D A FR 871549DA FR 871549 A FR871549 A FR 871549A
Authority
FR
France
Prior art keywords
electric discharge
improvements made
discharge tubes
tubes
electric
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)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR871549A publication Critical patent/FR871549A/en
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
FR871549D 1940-04-19 1941-04-17 Improvements made to electric discharge tubes Expired FR871549A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL871549X 1940-04-19

Publications (1)

Publication Number Publication Date
FR871549A true FR871549A (en) 1942-04-29

Family

ID=19851229

Family Applications (1)

Application Number Title Priority Date Filing Date
FR871549D Expired FR871549A (en) 1940-04-19 1941-04-17 Improvements made to electric discharge tubes

Country Status (1)

Country Link
FR (1) FR871549A (en)

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