Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
Patent
1995-03-08
1996-05-14
O'Shea, Sandra L.
Electric lamp and discharge devices
With luminescent solid or liquid material
With gaseous discharge medium
313492, 313574, 340642, H01J 61067
Patent
active
055170790
ABSTRACT:
A dual filament fluorescent lamp where the individual filaments are disposed along diameter lines of a fluorescent tube and are disposed on differing planes at differing heights within the tube with a predetermined separation between the tube filaments and the filaments being disposed in a perpendicular fashion when viewed from above. The primary filament is disposed above the secondary filament and it has a larger diameter that the secondary filament.
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patent: 4734616 (1988-03-01), Northrop
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patent: 5296783 (1994-03-01), Fischer
Beat David F.
Dehmlow Brian P.
Seder Thomas A.
Montanye George A.
Murrah M. Lee
O'Shea Sandra L.
Patel Ashok
Rockwell International Corporation
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