Non-thermionic ballast-free energy-efficient light-producing...
Non-thermionic ballast-free energy-efficient light-producing...
Operating circuit for a gas and/or vapour discharge lamp
Operating circuit for low-power low-pressure discharge lamps, pa
Operating circuit with an improved power supply for a driver...
Operating device for discharge lamps having a preheating device
Optimal FM for HF operation of high intensity discharge...
Parallel resonant ballast with boost
Parallel-resonant bridge-inverter fluorescent lamp ballast
Parallel-resonant inverter-type fluorescent lamp ballast
Parallel-storage series-drive electronic ballast
Parallel-tuned electronic ballast
Parallel-tuned electronic ballast with special output voltage wa
Passive power factor ballast circuit for the gas discharge lamps
Phase-control power controller with analog RMS load voltage...
Phase-control power controller with digital RMS load voltage...
Piezoelectric cascade resonant lamp-ignition circuit
Piezoelectric illumination control for microscope
Piezoelectric transformer and discharge lamp device
Piezoelectric transformer with multiple outputs