DE3378287D1 - High pressure sodium lamp having improved coloring rendition - Google Patents

High pressure sodium lamp having improved coloring rendition

Info

Publication number
DE3378287D1
DE3378287D1 DE8383111493T DE3378287T DE3378287D1 DE 3378287 D1 DE3378287 D1 DE 3378287D1 DE 8383111493 T DE8383111493 T DE 8383111493T DE 3378287 T DE3378287 T DE 3378287T DE 3378287 D1 DE3378287 D1 DE 3378287D1
Authority
DE
Germany
Prior art keywords
rendition
high pressure
pressure sodium
sodium lamp
improved coloring
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
DE8383111493T
Other languages
German (de)
Inventor
Jack Mack Strok
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of DE3378287D1 publication Critical patent/DE3378287D1/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
    • H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
    • H01J61/825—High-pressure sodium lamps
    • 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
DE8383111493T 1982-11-26 1983-11-17 High pressure sodium lamp having improved coloring rendition Expired DE3378287D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US44477882A 1982-11-26 1982-11-26

Publications (1)

Publication Number Publication Date
DE3378287D1 true DE3378287D1 (en) 1988-11-24

Family

ID=23766320

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383111493T Expired DE3378287D1 (en) 1982-11-26 1983-11-17 High pressure sodium lamp having improved coloring rendition

Country Status (4)

Country Link
EP (1) EP0110249B1 (en)
JP (1) JPS59112563A (en)
CA (1) CA1209193A (en)
DE (1) DE3378287D1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8725912D0 (en) * 1987-11-05 1987-12-09 Emi Plc Thorn Discharge arc lamp

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3248590A (en) * 1963-03-01 1966-04-26 Gen Electric High pressure sodium vapor lamp
US4285732A (en) * 1980-03-11 1981-08-25 General Electric Company Alumina ceramic

Also Published As

Publication number Publication date
EP0110249A2 (en) 1984-06-13
CA1209193A (en) 1986-08-05
EP0110249B1 (en) 1988-10-19
EP0110249A3 (en) 1985-05-08
JPS59112563A (en) 1984-06-29

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee