FR747831A - Incandescent electric lamp or electric discharge tube - Google Patents

Incandescent electric lamp or electric discharge tube

Info

Publication number
FR747831A
FR747831A FR747831DA FR747831A FR 747831 A FR747831 A FR 747831A FR 747831D A FR747831D A FR 747831DA FR 747831 A FR747831 A FR 747831A
Authority
FR
France
Prior art keywords
electric
discharge tube
incandescent
lamp
electric discharge
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 FR747831A publication Critical patent/FR747831A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/50Means forming part of the tube or lamps for the purpose of providing electrical connection to it
    • H01J5/54Means forming part of the tube or lamps for the purpose of providing electrical connection to it supported by a separate part, e.g. base
FR747831D 1932-01-07 1932-12-19 Incandescent electric lamp or electric discharge tube Expired FR747831A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB49732A GB381420A (en) 1932-01-07 1932-01-07 Improvements in or relating to electric incandescent lamps or discharge tubes

Publications (1)

Publication Number Publication Date
FR747831A true FR747831A (en) 1933-06-24

Family

ID=9705378

Family Applications (1)

Application Number Title Priority Date Filing Date
FR747831D Expired FR747831A (en) 1932-01-07 1932-12-19 Incandescent electric lamp or electric discharge tube

Country Status (3)

Country Link
BE (1) BE393066A (en)
FR (1) FR747831A (en)
GB (1) GB381420A (en)

Also Published As

Publication number Publication date
BE393066A (en)
GB381420A (en) 1932-10-06

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