Adapter, fitting into an incandescent socket, for receiving a co

Details Adapter, fitting into an incandescent socket, for receiving a co Adapter, fitting into an incandescent socket, for receiving a co

1994-05-31

1996-08-13

Pascal, Robert

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Discharge device load

315 58, 31331801, 439226, 439236, 439336, 439646, 439 56, 362226, 362260, H01J 744

Patent

active

055459501

ABSTRACT:
A ballast device for a compact fluorescent lamp with: a ballast case including an outer case (17) and a socket substrate (11), the outer case having an incandescent lamp base (19) at its top portion, the substrate having a compact fluorescent lamp socket and a bottom portion of the outer case being assembled with the socket substrate; a first printed circuit board (PCB) (15) on which electronic circuit components (15-2) are mounted and having a first receiving cavity (15-1) for allowing the fluorescent lamp socket to be inserted therein; and a second PCB (16) on which other electronic circuit components are mounted, with the latter mounted components, that have a relatively high height, being situated in a center area of the second PCB, thus located within the bulb base.

REFERENCES:
patent: 4495443 (1985-01-01), Cummings
patent: 4647820 (1987-03-01), Chermin et al.
patent: 4688874 (1987-08-01), Bjorkman
patent: 4761585 (1988-08-01), Linnman et al.
patent: 4931696 (1990-06-01), Brower
patent: 4961027 (1990-10-01), Muesli
patent: 5015917 (1991-05-01), Nigg
patent: 5164635 (1992-11-01), De Jong et al.
patent: 5189339 (1993-02-01), Peshak
patent: 5320548 (1994-06-01), Schadhauser
patent: 5336116 (1994-08-01), Boteler

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