Electric lamp and discharge devices – With temperature modifier – Double wall – jacket or casing for envelope
Patent
1975-10-29
1977-05-24
Grimm, Siegfried H.
Electric lamp and discharge devices
With temperature modifier
Double wall, jacket or casing for envelope
240 4135E, 240103B, 313113, 354 1, F21V 2900, G03B 4100, H01J 726, H01J 516
Patent
active
040258114
ABSTRACT:
A liquid-cooled high-pressure metal vapor discharge lamp, to be used in particular in a method of manufacturing a color television display tube in which a cooling jacket is secured around the discharge tube and on which a thin metal mirror is provided on the inside. The mirror comprises apertures through which light rays of a given intensity as a function of the location emanate without disturbing reflections.
REFERENCES:
patent: 2936682 (1960-05-01), Krawitz
patent: 2977492 (1961-03-01), Hoekstra
patent: 3596125 (1971-07-01), Seigel
patent: 3603827 (1971-09-01), Degawa et al.
Grimm Siegfried H.
Smith Robert S.
Trifari Frank R.
U.S. Philips Corporation
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