FR820947A - Improvements made to electric discharge tubes and devices incorporating them - Google Patents

Improvements made to electric discharge tubes and devices incorporating them

Info

Publication number
FR820947A
FR820947A FR820947DA FR820947A FR 820947 A FR820947 A FR 820947A FR 820947D A FR820947D A FR 820947DA FR 820947 A FR820947 A FR 820947A
Authority
FR
France
Prior art keywords
electric discharge
improvements made
discharge tubes
devices incorporating
incorporating
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 FR820947A publication Critical patent/FR820947A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/02—Tubes with a single discharge path
FR820947D 1936-04-23 1937-04-22 Improvements made to electric discharge tubes and devices incorporating them Expired FR820947A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE820947X 1936-04-23

Publications (1)

Publication Number Publication Date
FR820947A true FR820947A (en) 1937-11-22

Family

ID=6738689

Family Applications (1)

Application Number Title Priority Date Filing Date
FR820947D Expired FR820947A (en) 1936-04-23 1937-04-22 Improvements made to electric discharge tubes and devices incorporating them

Country Status (1)

Country Link
FR (1) FR820947A (en)

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