FR1571245A - - Google Patents

Info

Publication number
FR1571245A
FR1571245A FR1571245DA FR1571245A FR 1571245 A FR1571245 A FR 1571245A FR 1571245D A FR1571245D A FR 1571245DA FR 1571245 A FR1571245 A FR 1571245A
Authority
FR
France
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)
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 filed Critical
Application granted granted Critical
Publication of FR1571245A publication Critical patent/FR1571245A/fr
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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/02—Details
    • H05B41/04—Starting switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/067—Main electrodes for low-pressure discharge lamps
    • H01J61/0672—Main electrodes for low-pressure discharge lamps characterised by the construction of the electrode
    • 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
    • H05B35/00—Electric light sources using a combination of different types of light generation
FR1571245D 1967-07-03 1968-07-03 Expired FR1571245A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US65100967A 1967-07-03 1967-07-03

Publications (1)

Publication Number Publication Date
FR1571245A true FR1571245A (en) 1969-06-13

Family

ID=24611219

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1571245D Expired FR1571245A (en) 1967-07-03 1968-07-03

Country Status (4)

Country Link
US (1) US3521122A (en)
DE (1) DE1764599A1 (en)
FR (1) FR1571245A (en)
GB (2) GB1208509A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4329622A (en) * 1980-05-19 1982-05-11 Xerox Corporation Low pressure gas discharge lamp with increased end illumination
FI65524C (en) * 1982-04-21 1984-05-10 Helvar Oy FOER REFRIGERATION FOER MATNING AVERAGE REQUIREMENTS FOR FLUORESCENT LAMPS
US4792727A (en) * 1987-10-05 1988-12-20 Gte Products Corporation System and method for operating a discharge lamp to obtain positive volt-ampere characteristic
US5066892A (en) * 1990-12-07 1991-11-19 Gte Products Corporation Glow discharge lamp with incandescent filament

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2315286A (en) * 1941-01-11 1943-03-30 Westinghouse Electric & Mfg Co Gaseous discharge lamp
US2429415A (en) * 1945-06-07 1947-10-21 Gen Electric Circuit for electric discharge devices
BE570661A (en) * 1957-08-29
FR1295408A (en) * 1961-04-15 1962-06-08 Complex bulb with application to automobile headlights
US3215881A (en) * 1962-08-20 1965-11-02 Sylvania Electric Prod Start-run plural cathode structure
US3412276A (en) * 1967-02-02 1968-11-19 Coastal Dynamics Corp Twin filament lamp

Also Published As

Publication number Publication date
GB1208509A (en) 1970-10-14
US3521122A (en) 1970-07-21
DE1764599A1 (en) 1971-09-09
GB1208508A (en) 1970-10-14

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Legal Events

Date Code Title Description
ST Notification of lapse