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
Piezoelectric transformer, piezoelectric inverter and liquid...
Piezoelectronic ballast for fluorescent lamp
Plasma jet ignition system
Plasma jet ignition system
Plastic “trofer” and fluorescent lighting system
Plug-in electronic lighting product
Portable electronic ballast