ZA707179B - High pressure electric discharge lamp - Google Patents

High pressure electric discharge lamp

Info

Publication number
ZA707179B
ZA707179B ZA707179A ZA707179A ZA707179B ZA 707179 B ZA707179 B ZA 707179B ZA 707179 A ZA707179 A ZA 707179A ZA 707179 A ZA707179 A ZA 707179A ZA 707179 B ZA707179 B ZA 707179B
Authority
ZA
South Africa
Prior art keywords
high pressure
discharge lamp
electric discharge
pressure electric
lamp
Prior art date
Application number
ZA707179A
Inventor
J Waymouth
Original Assignee
Sylvania Electric Prod
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 Sylvania Electric Prod filed Critical Sylvania Electric Prod
Publication of ZA707179B publication Critical patent/ZA707179B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/54—Igniting arrangements, e.g. promoting ionisation for starting
    • H01J61/541—Igniting arrangements, e.g. promoting ionisation for starting using a bimetal switch
    • H01J61/542—Igniting arrangements, e.g. promoting ionisation for starting using a bimetal switch and an auxiliary electrode inside the vessel
ZA707179A 1969-10-29 1970-10-21 High pressure electric discharge lamp ZA707179B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US87226969A 1969-10-29 1969-10-29

Publications (1)

Publication Number Publication Date
ZA707179B true ZA707179B (en) 1971-07-28

Family

ID=25359219

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA707179A ZA707179B (en) 1969-10-29 1970-10-21 High pressure electric discharge lamp

Country Status (3)

Country Link
US (1) US3619710A (en)
AU (1) AU2143370A (en)
ZA (1) ZA707179B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1343780A (en) * 1970-06-26 1974-01-16 Thorn Electrical Ind Ltd Discharge lamps
US3753036A (en) * 1971-05-03 1973-08-14 Gte Sylvania Inc Integrated fluorescent lamp unit
US3965387A (en) * 1974-06-24 1976-06-22 General Electric Company Electric lamp and thermal switch therefore
DE2517818A1 (en) * 1975-04-22 1976-11-04 Patra Patent Treuhand IGNITION AND OPERATING DEVICE FOR A HIGH PRESSURE DISCHARGE LAMP
NL7809055A (en) * 1978-09-05 1980-03-07 Philips Nv GAS AND / OR VAPOR DISCHARGE LAMP.
US4258288A (en) * 1979-05-09 1981-03-24 Westinghouse Electric Corp. Resistor-aided starting of metal halide lamps
US4258289A (en) * 1979-05-09 1981-03-24 Westinghouse Electric Corp. Metal halide lamp for operation with a mercury ballast
CA1232317A (en) * 1983-04-28 1988-02-02 Joseph S. Kulik Electric discharge lamp with thermal switch
US4963790A (en) * 1985-12-27 1990-10-16 Gte Products Corporation Low wattage metal halide discharge lamp
US5173639A (en) * 1990-12-27 1992-12-22 Gte Products Corporation Thermal switch assembly for electric lamps
US5187416A (en) * 1991-12-17 1993-02-16 Gte Products Corporation Arc discharge lamp with a vertical thermal switch extending between the lamp stem and inner neck wall
US6462478B1 (en) * 2001-08-10 2002-10-08 Osram Sylvania Inc. Safety switch for lamp including a light source capsule

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3226597A (en) * 1963-09-04 1965-12-28 Gen Electric High pressure metal vapor discharge lamp
US3307069A (en) * 1964-06-30 1967-02-28 Westinghouse Electric Corp Electric discharge lamp
US3445719A (en) * 1967-05-31 1969-05-20 Duro Test Corp Metal vapor lamp with metal additive for improved color rendition and internal self-ballasting filament used to heat arc tube

Also Published As

Publication number Publication date
AU2143370A (en) 1972-04-27
US3619710A (en) 1971-11-09

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