Fluorescent lighting assembly with integral ballast

Details Fluorescent lighting assembly with integral ballast Fluorescent lighting assembly with integral ballast

1997-11-10

1999-05-25

Wong, Don

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Discharge device load

315209R, 315DIG1, 362221, 439235, H01J 744

Patent

active

059072180

ABSTRACT:
A lighting assembly 2 includes a ballast subassembly 4, fluorescent lamps 30 and connectors 50 for connecting the ends of two lamps forming an associated pair. The ballast subassembly 4 is connected to only one base of two lamps and the other ends are connected by commoning socket connectors 50 that are not attached to the ballast subassembly 4. The ballast subassembly 4 includes a power supply circuit 100 and a ballast circuit 102 that can energize two fluorescent lamps 30 with remote lamp bases 34 commoned. The ballast subassembly 4 is mounted on one end of the lighting subassembly, for example on one end of a troffer 80. No wires or other direct electrical connection are necessary with the other end of the lighting assembly 4, the lamps 30, or the troffer 80. The commoning connectors 50 can employ bus contacts 64 having integral cantilever terminals 74 extending from a central bus section 66. These contacts can be mounted in socket housings 52 for connecting two side by side instant start fluorescent lamps.

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International Rectifier, Control Integrated Circuit Designers' Manual, pp. 188 through 192 noted.
SGS--Thomson Microelectrics--Application Note--Designing a High Power Factor Switching Preregulator with the L6560/A Transition Mode I.C., by G. Comandatore and U. Moriconi; AN667/0795, 1994.
Telcol Technical Bulletin 105 "The Electronic Ballast That Meets Your Fluorescent Lighting Needs" noted.

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