Instant lighting type fluorescent lamp lighting circuit

Details Instant lighting type fluorescent lamp lighting circuit Instant lighting type fluorescent lamp lighting circuit

1996-08-16

1998-03-31

Pascal, Robert

Electric lamp and discharge devices: systems

With cathode or cathode heater supply circuit

Pulsating or a.c. supply to the cathode or heater circuit

315107, 315289, H05B 3702

Patent

active

057342318

ABSTRACT:
A fluorescent lamp lighting circuit is disclosed in which an instant lighting is possible, and a high reliability is ensured. Further, the circuit is compact, and the cost is low. The fluorescent lamp lighting circuit according to the present invention includes a discharge circuit section including a choke coil serially connected to a filament of a fluorescent lamp. It further includes a lighting circuit section connected serially to the filament and the choke coil so as to be turned on at certain intervals by supplying the power, and so as to be turned off after the starting of the glow discharge of the fluorescent lamp. It further includes a protecting circuit section for turning off the light circuit section after certain repetition of on/off operations of the lighting circuit section.

REFERENCES:
patent: 4603281 (1986-07-01), Nilssen
patent: 5010274 (1991-04-01), Phillips et al.

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