BE890021A - Lampe a decharge dans la vapeur de sodium a haute pression - Google Patents

Lampe a decharge dans la vapeur de sodium a haute pression

Info

Publication number
BE890021A
BE890021A BE0/205719A BE205719A BE890021A BE 890021 A BE890021 A BE 890021A BE 0/205719 A BE0/205719 A BE 0/205719A BE 205719 A BE205719 A BE 205719A BE 890021 A BE890021 A BE 890021A
Authority
BE
Belgium
Prior art keywords
high pressure
discharge lamp
vapor discharge
pressure sodium
sodium vapor
Prior art date
Application number
BE0/205719A
Other languages
English (en)
French (fr)
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of BE890021A publication Critical patent/BE890021A/fr

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
    • 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
    • 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
    • H01J61/302—Vessels; Containers characterised by the material of the vessel
BE0/205719A 1980-08-21 1981-08-19 Lampe a decharge dans la vapeur de sodium a haute pression BE890021A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8004726A NL185480C (nl) 1980-08-21 1980-08-21 Hogedruknatriumdampontladingslamp.

Publications (1)

Publication Number Publication Date
BE890021A true BE890021A (fr) 1982-02-19

Family

ID=19835764

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/205719A BE890021A (fr) 1980-08-21 1981-08-19 Lampe a decharge dans la vapeur de sodium a haute pression

Country Status (6)

Country Link
JP (1) JPS5755056A (enEXAMPLES)
BE (1) BE890021A (enEXAMPLES)
DE (1) DE3131990A1 (enEXAMPLES)
FR (1) FR2489039A1 (enEXAMPLES)
GB (1) GB2082382B (enEXAMPLES)
NL (1) NL185480C (enEXAMPLES)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4620131A (en) * 1983-07-25 1986-10-28 U.S. Philips Corporation Lamp with discharge vessel made of densely sintered translucent aluminium oxide
WO2003030212A1 (en) * 2001-10-02 2003-04-10 Gem Lighting Llc High intensity discharge lamp with single crystal sapphire envelope

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7204638A (enEXAMPLES) * 1972-04-07 1973-10-09
US3906272A (en) * 1974-04-01 1975-09-16 Gen Electric Low wattage high pressure sodium vapor lamps
NL177058C (nl) * 1977-04-15 1985-07-16 Philips Nv Hogedruknatriumdampontladingslamp.
JPS5477481A (en) * 1977-12-02 1979-06-20 Ngk Insulators Ltd Polycrystal transparent alumina light emitting tube and high voltage vapor discharge lamp using same
JPS5553054A (en) * 1978-10-14 1980-04-18 Toshiba Corp High pressure sodium lamp

Also Published As

Publication number Publication date
NL185480B (nl) 1989-11-16
GB2082382A (en) 1982-03-03
FR2489039A1 (fr) 1982-02-26
NL185480C (nl) 1991-01-16
NL8004726A (nl) 1982-03-16
DE3131990A1 (de) 1982-04-22
FR2489039B1 (enEXAMPLES) 1984-10-19
DE3131990C2 (enEXAMPLES) 1992-07-02
GB2082382B (en) 1984-03-28
JPS5755056A (en) 1982-04-01

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: N.V. PHILIPS' GLOEILAMPENFABRIEKEN

Effective date: 19930831