(19) |
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(11) |
EP 0 110 249 A3 |
(12) |
EUROPEAN PATENT APPLICATION |
(88) |
Date of publication A3: |
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08.05.1985 Bulletin 1985/19 |
(43) |
Date of publication A2: |
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13.06.1984 Bulletin 1984/24 |
(22) |
Date of filing: 17.11.1983 |
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(84) |
Designated Contracting States: |
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BE DE FR GB IT |
(30) |
Priority: |
26.11.1982 US 444778
|
(71) |
Applicant: GENERAL ELECTRIC COMPANY |
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() |
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(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.