Electric lamp and discharge devices – With temperature modifier – Double wall – jacket or casing for envelope
Patent
1985-09-03
1986-07-29
DeMeo, Palmer C.
Electric lamp and discharge devices
With temperature modifier
Double wall, jacket or casing for envelope
313493, H01J 6130, H01J 6142
Patent
active
046032770
ABSTRACT:
A high density fluorescent lamp having a plurality of U shaped bent tubes secured to a disc shaped spacer. Passages within the spacer connect to the tubes so as to define a common discharge path which includes the passages. The tubes and spacer are enclosed within an outer bulb.
REFERENCES:
patent: 2788462 (1957-04-01), MacFarlane
patent: 4199708 (1980-04-01), Lauwerijssen et al.
Imamura Hiroshi
Toho Makoto
DeMeo Palmer C.
Matsushita Electric & Works Ltd.
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