FR623750A - Incandescent electric lamp - Google Patents

Incandescent electric lamp

Info

Publication number
FR623750A
FR623750A FR623750DA FR623750A FR 623750 A FR623750 A FR 623750A FR 623750D A FR623750D A FR 623750DA FR 623750 A FR623750 A FR 623750A
Authority
FR
France
Prior art keywords
electric lamp
incandescent electric
incandescent
lamp
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 FR623750A publication Critical patent/FR623750A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
    • H05B39/04—Controlling
    • H05B39/06—Switching arrangements, e.g. from series operation to parallel operation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/62—One or more circuit elements structurally associated with the lamp
FR623750D 1925-12-28 1926-10-27 Incandescent electric lamp Expired FR623750A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL263776X 1925-12-28

Publications (1)

Publication Number Publication Date
FR623750A true FR623750A (en) 1927-06-29

Family

ID=19781625

Family Applications (1)

Application Number Title Priority Date Filing Date
FR623750D Expired FR623750A (en) 1925-12-28 1926-10-27 Incandescent electric lamp

Country Status (4)

Country Link
BE (1) BE337089A (en)
DE (1) DE494724C (en)
FR (1) FR623750A (en)
GB (1) GB263776A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4447765A (en) * 1982-05-18 1984-05-08 General Electric Company Power supply for low voltage incandescent lamp
US4473776A (en) * 1982-06-11 1984-09-25 General Electric Company Disconnect means for capacitor ballast incandescent lamp
GB2127240A (en) * 1982-09-14 1984-04-04 Link 51 Ltd Power control devices
GB2128822A (en) * 1982-10-14 1984-05-02 Smiths Industries Plc Pre-set dimmer switch
DE3824904A1 (en) * 1988-07-22 1990-01-25 Philips Patentverwaltung CIRCUIT ARRANGEMENT FOR OPERATING AN ELECTRIC BULB FROM AN AC VOLTAGE SOURCE AND BULB FOR OPERATION IN SUCH A CIRCUIT ARRANGEMENT

Also Published As

Publication number Publication date
GB263776A (en) 1927-07-07
BE337089A (en)
DE494724C (en) 1930-03-26

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