FR2489039B1 - - Google Patents

Info

Publication number
FR2489039B1
FR2489039B1 FR8115824A FR8115824A FR2489039B1 FR 2489039 B1 FR2489039 B1 FR 2489039B1 FR 8115824 A FR8115824 A FR 8115824A FR 8115824 A FR8115824 A FR 8115824A FR 2489039 B1 FR2489039 B1 FR 2489039B1
Authority
FR
France
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
FR8115824A
Other languages
French (fr)
Other versions
FR2489039A1 (fr
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 FR2489039A1 publication Critical patent/FR2489039A1/fr
Application granted granted Critical
Publication of FR2489039B1 publication Critical patent/FR2489039B1/fr
Granted 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
    • 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
FR8115824A 1980-08-21 1981-08-17 Lampe a decharge dans la vapeur de sodium a haute pression Granted FR2489039A1 (fr)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2489039A1 FR2489039A1 (fr) 1982-02-26
FR2489039B1 true FR2489039B1 (nl) 1984-10-19

Family

ID=19835764

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8115824A Granted FR2489039A1 (fr) 1980-08-21 1981-08-17 Lampe a decharge dans la vapeur de sodium a haute pression

Country Status (6)

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

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 (nl) * 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
GB2082382B (en) 1984-03-28
FR2489039A1 (fr) 1982-02-26
NL185480B (nl) 1989-11-16
DE3131990A1 (de) 1982-04-22
GB2082382A (en) 1982-03-03
JPS5755056A (en) 1982-04-01
DE3131990C2 (nl) 1992-07-02
NL185480C (nl) 1991-01-16
BE890021A (fr) 1982-02-19
NL8004726A (nl) 1982-03-16

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Legal Events

Date Code Title Description
ST Notification of lapse