Abstract: A contact strip for use with lamp socket devices where an electrical connection is made by the contact strip between a lamp lead and a circuit board conducting surface when the contact strip is assembled in a lamp socket device and mounted on the circuit board. At least one welding area at which a lead of a lamp is welded during assembly of the contact strip in a lamp socket device is provided. The contact strip includes upper and lower electricity receiving strip portions for receiving a circuit board therebetween and for making electrical contact with at least one of upper and lower conducting surfaces of the circuit board.

Abstract: A fluorescent lighting device which includes a preheating type fluorescent discharge tube and as the ballast thereof an incandescent bulb. The fluorescent lighting device is ignited by the use of a pulse transformer and a neon tube. A semiconductor element may be used in place of the neon tube.

Abstract: A fluorescent light fixture having a cover assembly and base for insertion into an incandescent lamp socket. The cover assembly consists of two cover members, one of which is detachable for replacement of a fluorescent lamp supported within the cover assembly or for exchange of one of the cover members.