(19)
(11) EP 0 110 249 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
08.05.1985 Bulletin 1985/19

(43) Date of publication A2:
13.06.1984 Bulletin 1984/24

(21) Application number: 83111493

(22) Date of filing: 17.11.1983
(84) Designated Contracting States:
BE DE FR GB IT

(30) Priority: 26.11.1982 US 444778

(71) Applicant: GENERAL ELECTRIC COMPANY
 ()

(72) Inventor:
  • Strok, Jack Mack
     ()

   


(54) High pressure sodium lamp having improved coloring rendition


(57) A high pressure sodium lamp operated at increased pressure and having an improved color rendition is disclosed. The improved high pressure sodium lamp has an arc tube which reduces the sodium losses typically experienced by high pressure operation.





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