Electric lamp and discharge devices – With temperature modifier – Double wall – jacket or casing for envelope
Patent
1984-06-18
1989-12-26
Yusko, Donald J.
Electric lamp and discharge devices
With temperature modifier
Double wall, jacket or casing for envelope
H01J 6134
Patent
active
048900303
ABSTRACT:
A low wattage metal halide discharge lamp includes a arc tube having a temperature equalizing means telescoped thereover and an evacuated outer envelope enclosing the arc tube and convection current reducing means.
REFERENCES:
patent: 3234421 (1966-02-01), Reiling
patent: 3867661 (1975-02-01), Waltz et al.
patent: 4281274 (1981-07-01), Bechard et al.
patent: 4321504 (1982-03-01), Keeffe et al.
patent: 4490649 (1984-12-01), Wang
patent: 4499396 (1985-02-01), Fohl et al.
Keeffe William M.
Krasko Zeya K.
Buffton Thomas H.
GTE Products Corporation
Jimenez Jose W.
O'Shea Sandra L.
Ramanow Joseph S.
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