Active lamp pulse driver circuit

Apparatus for simulating the light produced by a fire

Circuit arrangement for starting and operating a gas- and/or vap

Circuit for supplying constant power to a gas discharge lamp

Cold-cathode tube lighting circuit with protection circuit for p

D.C. luminous tube system

Direct current ballasting and starting circuitry for gaseous dis

Discharge lamp operating circuit

Electric incandescent lamp combination fixture device

Electroluminescent lamp driver circuit with signal tracking

High-pressure discharge lamp

High-pressure sodium discharge lamp

Lamp modulating circuitry

Light indicating system having light emitting diodes and power r

Oscillation generator providing oscillations of varying amplitud

Power control circuit

Pulse circuit for gaseous discharge lamps

Scale illumination lamp control circuit for an oscilloscope

Soft start solid state switch

Two terminal controller