ES254020A1 - Improvements in electric discharge lamps - Google Patents

Improvements in electric discharge lamps

Info

Publication number
ES254020A1
ES254020A1 ES0254020A ES254020A ES254020A1 ES 254020 A1 ES254020 A1 ES 254020A1 ES 0254020 A ES0254020 A ES 0254020A ES 254020 A ES254020 A ES 254020A ES 254020 A1 ES254020 A1 ES 254020A1
Authority
ES
Spain
Prior art keywords
electric discharge
discharge lamps
tube
discharge lamp
discharge
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
ES0254020A
Other languages
Spanish (es)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES254020A1 publication Critical patent/ES254020A1/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
    • H01J61/38—Devices for influencing the colour or wavelength of the light
    • 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

Abstract

An electric discharge lamp, in particular for street or road lighting, comprising a high pressure metallic vapor discharge pipe in a gas-tight sealed container, characterized by the fact that a transparent screen, which It surrounds the discharge tube, and provided with one or more layers of luminescent material, it is located in the vicinity of said tube, while parts of the ampoule of the discharge lamp are provided with a mirror. (Machine-translation by Google Translate, not legally binding)
ES0254020A 1958-12-11 1959-12-07 Improvements in electric discharge lamps Expired ES254020A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL234130 1958-12-11

Publications (1)

Publication Number Publication Date
ES254020A1 true ES254020A1 (en) 1960-06-01

Family

ID=19751471

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0254020A Expired ES254020A1 (en) 1958-12-11 1959-12-07 Improvements in electric discharge lamps

Country Status (4)

Country Link
DE (1) DE1822579U (en)
ES (1) ES254020A1 (en)
FR (1) FR1242662A (en)
GB (1) GB946544A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3321479A1 (en) * 1983-06-14 1984-12-20 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München HIGH PRESSURE DISCHARGE LAMP
CA1305995C (en) * 1987-08-28 1992-08-04 William M. Keeffe Double-enveloped lamp having a shield surrounding a light-source capsule within a thick-walled outer envelope
US5043623A (en) * 1990-12-06 1991-08-27 Gte Products Corporation Reflector lamp assembly including metal halide arc tube
US5493167A (en) * 1994-05-03 1996-02-20 General Electric Company Lamp assembly with shroud employing insulator support stops

Also Published As

Publication number Publication date
DE1822579U (en) 1960-12-01
GB946544A (en) 1964-01-15
FR1242662A (en) 1960-09-30

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