FR891997A - Improvements to incandescent electric lamps or discharge tubes - Google Patents

Improvements to incandescent electric lamps or discharge tubes

Info

Publication number
FR891997A
FR891997A FR891997DA FR891997A FR 891997 A FR891997 A FR 891997A FR 891997D A FR891997D A FR 891997DA FR 891997 A FR891997 A FR 891997A
Authority
FR
France
Prior art keywords
discharge tubes
electric lamps
incandescent electric
incandescent
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
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 FR891997A publication Critical patent/FR891997A/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
FR891997D 1942-03-07 1943-03-06 Improvements to incandescent electric lamps or discharge tubes Expired FR891997A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL233470X 1942-03-07

Publications (1)

Publication Number Publication Date
FR891997A true FR891997A (en) 1944-03-24

Family

ID=19780116

Family Applications (1)

Application Number Title Priority Date Filing Date
FR891997D Expired FR891997A (en) 1942-03-07 1943-03-06 Improvements to incandescent electric lamps or discharge tubes

Country Status (6)

Country Link
BE (1) BE449484A (en)
CH (1) CH233470A (en)
DE (1) DE864129C (en)
FR (1) FR891997A (en)
GB (1) GB612551A (en)
NL (1) NL58331C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL288232A (en) * 1963-01-28
HU183951B (en) * 1982-06-08 1984-06-28 Egyesuelt Izzolampa Incandescent lamp and method for fixing its side-electrode to the lamp-housing

Also Published As

Publication number Publication date
DE864129C (en) 1953-01-22
GB612551A (en) 1948-11-15
NL58331C (en)
BE449484A (en)
CH233470A (en) 1944-07-31

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