GB987938A - Improvements in or relating to sodium vapour discharge lamps - Google Patents

Improvements in or relating to sodium vapour discharge lamps

Info

Publication number
GB987938A
GB987938A GB37120/62A GB3712062A GB987938A GB 987938 A GB987938 A GB 987938A GB 37120/62 A GB37120/62 A GB 37120/62A GB 3712062 A GB3712062 A GB 3712062A GB 987938 A GB987938 A GB 987938A
Authority
GB
United Kingdom
Prior art keywords
coating
discharge tube
discharge
relating
sodium vapour
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
GB37120/62A
Other languages
English (en)
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated 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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB987938A publication Critical patent/GB987938A/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
    • H01J61/30—Vessels; Containers
    • H01J61/34—Double-wall vessels or containers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/35—Vessels; Containers provided with coatings on the walls thereof; Selection of materials for the coatings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/38—Devices for influencing the colour or wavelength of the light

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Discharge Lamp (AREA)
  • Resistance Heating (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
GB37120/62A 1961-10-04 1962-10-01 Improvements in or relating to sodium vapour discharge lamps Expired GB987938A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL269925 1961-10-04

Publications (1)

Publication Number Publication Date
GB987938A true GB987938A (en) 1965-03-31

Family

ID=19753325

Family Applications (1)

Application Number Title Priority Date Filing Date
GB37120/62A Expired GB987938A (en) 1961-10-04 1962-10-01 Improvements in or relating to sodium vapour discharge lamps

Country Status (11)

Country Link
US (1) US3221198A (id)
AT (1) AT242238B (id)
BE (1) BE623133A (id)
CH (1) CH419344A (id)
DE (1) DE1166366B (id)
DK (1) DK103623C (id)
ES (1) ES281215A1 (id)
FR (1) FR1335389A (id)
GB (1) GB987938A (id)
NL (1) NL269925A (id)
OA (1) OA00844A (id)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1260627B (de) * 1965-11-13 1968-02-08 Philips Nv Natriumdampfentladungslampe
NL164423C (nl) * 1969-12-13 1980-12-15 Philips Nv Lagedruknatriumdampontladingslamp.
US3662208A (en) * 1970-01-27 1972-05-09 Tokyo Shibaura Electric Co Reflector type incandescent lamps
US3931536A (en) * 1974-07-15 1976-01-06 Gte Sylvania Incorporated Efficiency arc discharge lamp
US4080545A (en) * 1976-12-27 1978-03-21 Xerox Corporation Sodium vapor lamp with emission aperture
US4071798A (en) * 1977-04-01 1978-01-31 Xerox Corporation Sodium vapor lamp with emission aperture
DE2840771A1 (de) * 1978-09-19 1980-03-27 Patra Patent Treuhand Hochdruckentladungslampe mit metallhalogeniden
EP0015026B1 (de) * 1979-02-19 1983-05-25 Heinz Sovilla Glühfadenlampe
NL185481C (nl) * 1979-11-14 1990-04-17 Philips Nv Lagedruknatriumdampontladingslamp.
US4467238A (en) * 1981-09-03 1984-08-21 General Electric Company High-pressure sodium lamp with improved IR reflector
US4678960A (en) * 1985-08-01 1987-07-07 General Electric Company Metallic halide electric discharge lamps
US5276763A (en) * 1990-07-09 1994-01-04 Heraeus Quarzglas Gmbh Infrared radiator with protected reflective coating and method for manufacturing same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT139286B (de) * 1933-06-27 1934-11-10 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Doppelwandige elektrische Leuchtröhre.
US2795721A (en) * 1951-10-19 1957-06-11 Gen Electric Ultraviolet lamp
US2899584A (en) * 1955-01-24 1959-08-11 Verwey
GB826615A (en) * 1955-05-31 1960-01-13 Gen Electric Co Ltd Improvements in or relating to electric discharge lamps

Also Published As

Publication number Publication date
BE623133A (id)
FR1335389A (fr) 1963-08-16
OA00844A (fr) 1967-11-15
CH419344A (de) 1966-08-31
NL269925A (id)
AT242238B (de) 1965-09-10
US3221198A (en) 1965-11-30
ES281215A1 (es) 1963-01-01
DK103623C (da) 1966-01-31
DE1166366B (de) 1964-03-26

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