AU505911B2 - Electric lamps - Google Patents

Electric lamps

Info

Publication number
AU505911B2
AU505911B2 AU22712/77A AU2271277A AU505911B2 AU 505911 B2 AU505911 B2 AU 505911B2 AU 22712/77 A AU22712/77 A AU 22712/77A AU 2271277 A AU2271277 A AU 2271277A AU 505911 B2 AU505911 B2 AU 505911B2
Authority
AU
Australia
Prior art keywords
electric lamps
lamps
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
AU22712/77A
Other languages
English (en)
Other versions
AU2271277A (en
Inventor
T. S Ainsworth
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.)
EMI Group Ltd
Original Assignee
Thorn Electrical Industries Ltd
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 Thorn Electrical Industries Ltd filed Critical Thorn Electrical Industries Ltd
Publication of AU2271277A publication Critical patent/AU2271277A/en
Application granted granted Critical
Publication of AU505911B2 publication Critical patent/AU505911B2/en
Expired legal-status Critical Current

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
    • H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
    • H01J61/26—Means for absorbing or adsorbing gas, e.g. by gettering; Means for preventing blackening of the envelope
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
AU22712/77A 1976-02-25 1977-02-25 Electric lamps Expired AU505911B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB7476/76 1976-02-25
GB7476/76A GB1577734A (en) 1976-02-25 1976-02-25 Electric lamps and their production

Publications (2)

Publication Number Publication Date
AU2271277A AU2271277A (en) 1978-11-23
AU505911B2 true AU505911B2 (en) 1979-12-06

Family

ID=9833848

Family Applications (1)

Application Number Title Priority Date Filing Date
AU22712/77A Expired AU505911B2 (en) 1976-02-25 1977-02-25 Electric lamps

Country Status (9)

Country Link
US (1) US4099081A (enExample)
AU (1) AU505911B2 (enExample)
CA (1) CA1088615A (enExample)
DE (1) DE2707605A1 (enExample)
FR (1) FR2342553A1 (enExample)
GB (1) GB1577734A (enExample)
NL (1) NL7702104A (enExample)
NZ (1) NZ183440A (enExample)
ZA (1) ZA771130B (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4321504A (en) * 1980-03-24 1982-03-23 Gte Products Corporation Low wattage metal halide arc discharge lamp
US4302699A (en) * 1980-03-24 1981-11-24 Gte Products Corporation Low wattage metal halide arc discharge lamp having optimum efficacy
US4727286A (en) * 1981-11-16 1988-02-23 Gte Products Corporation Electric lamp including oxygen getter
DE3236462A1 (de) * 1982-10-01 1984-04-05 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Hochdruckentladungslampe mit sockel und zugehoeriger fassung
US4923424A (en) * 1988-02-09 1990-05-08 Gte Products Corporation Incandescent lamps including a combined getter
US4927398A (en) * 1988-02-09 1990-05-22 Gte Products Corporation Incandescent lamps including a combined getter
DE4325679A1 (de) * 1993-07-30 1995-02-02 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Elektrische Lampe mit Halogenfüllung
US8896205B1 (en) 2013-10-18 2014-11-25 Amc Automation Co., Ltd. Quartz light

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1536801A (fr) * 1966-09-15 1968-08-16 Philips Nv Lampe à incandescence comportant un dégazeur fixant la vapeur d'eau
US3898500A (en) * 1970-01-08 1975-08-05 Thorn Electrical Ind Ltd Halogen type filament lamp containing phosphorus and nitrogen
BE795435A (fr) * 1972-02-16 1973-08-14 Philips Nv Lampe a incandescence electrique a cycle tungstene-brome

Also Published As

Publication number Publication date
NZ183440A (en) 1981-03-16
FR2342553B1 (enExample) 1981-08-14
US4099081A (en) 1978-07-04
CA1088615A (en) 1980-10-28
AU2271277A (en) 1978-11-23
NL7702104A (nl) 1977-08-29
DE2707605A1 (de) 1977-09-01
FR2342553A1 (fr) 1977-09-23
GB1577734A (en) 1980-10-29
ZA771130B (en) 1978-01-25

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