FR826368A - Device for the simultaneous activation of heat radiators, in particular incandescent lamps and electric discharge tubes - Google Patents

Device for the simultaneous activation of heat radiators, in particular incandescent lamps and electric discharge tubes

Info

Publication number
FR826368A
FR826368A FR826368DA FR826368A FR 826368 A FR826368 A FR 826368A FR 826368D A FR826368D A FR 826368DA FR 826368 A FR826368 A FR 826368A
Authority
FR
France
Prior art keywords
electric discharge
incandescent lamps
discharge tubes
simultaneous activation
heat radiators
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.)
Quarzlampen GmbH
Original Assignee
Quarzlampen GmbH
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 Quarzlampen GmbH filed Critical Quarzlampen GmbH
Application granted granted Critical
Publication of FR826368A publication Critical patent/FR826368A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/96Lamps with light-emitting discharge path and separately-heated incandescent body within a common envelope, e.g. for simulating daylight
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14Circuit arrangements
    • H05B41/16Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies
    • H05B41/18Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having a starting switch
FR826368D 1936-09-07 1937-09-04 Device for the simultaneous activation of heat radiators, in particular incandescent lamps and electric discharge tubes Expired FR826368A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201114X 1936-09-07

Publications (1)

Publication Number Publication Date
FR826368A true FR826368A (en) 1938-03-30

Family

ID=5764585

Family Applications (1)

Application Number Title Priority Date Filing Date
FR826368D Expired FR826368A (en) 1936-09-07 1937-09-04 Device for the simultaneous activation of heat radiators, in particular incandescent lamps and electric discharge tubes

Country Status (3)

Country Link
CH (1) CH201114A (en)
FR (1) FR826368A (en)
NL (1) NL49761C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6632963B1 (en) 1998-03-31 2003-10-14 Galderma Research & Development S.N.C. Bicyclic aromatic compounds and pharmaceutical/cosmetic compositions comprised thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6632963B1 (en) 1998-03-31 2003-10-14 Galderma Research & Development S.N.C. Bicyclic aromatic compounds and pharmaceutical/cosmetic compositions comprised thereof
US6924388B2 (en) 1998-03-31 2005-08-02 Galderma Research & Development, S.N.C. Bicyclic aromatic compounds and pharmaceutical/cosmetic compositions comprised thereof

Also Published As

Publication number Publication date
CH201114A (en) 1938-11-15
NL49761C (en)

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