Electric lamp and discharge devices – With temperature modifier – Double wall – jacket or casing for envelope
Patent
1985-08-01
1987-07-07
Moore, David K.
Electric lamp and discharge devices
With temperature modifier
Double wall, jacket or casing for envelope
313114, H01J 6134, H01J 6135
Patent
active
046789600
ABSTRACT:
A high intensity gaseous discharge lamp employs a discharge medium which emits radiation at multiple, narrow line wavelengths which combine to produce white light. Coatings are applied to the arc tube to prevent emission of certain ultraviolet and infrared wavelengths, and a cylindrical barrier blocks certain long wavelength infrared radiation from being emitted by the lamp.
REFERENCES:
patent: 3221198 (1965-11-01), Van Der Wal et al.
patent: 3234421 (1966-02-01), Reiling
patent: 3400288 (1968-09-01), Groth
patent: 3531677 (1970-09-01), Loughridge
patent: 3995182 (1976-11-01), Balder
patent: 4281274 (1981-07-01), Bechard et al.
patent: 4499396 (1985-02-01), Fohl et al.
General Electric Company
Herkamp Nathan D.
McMahon John P.
Moore David K.
Schlamp Phillip L.
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