Precession of the plasma torus in electrodeless lamps by non-mec

Preconditioner having a digital power factor controller

Primary side current balancing scheme for multiple CCF lamp...

Printed circuit board mounted electrodeless gas discharge lamp

Projector

Proper synchronization of the firing of electronic flash units

Protection apparatus and multi-lamp driving system using the...

Protection apparatus and multi-lamp driving system using the...

Protection circuit for electronic ballasts which use charge pump

Protection circuit for fluorescent lamp ballasts

Protective coating for high-intensity metal halide discharge lam

Protective coatings for light sources

Pulse circuit for gaseous discharge lamps

Pulse width modulation (PWM) closed loop LED current driver...

Pulse width modulation apparatus and apparatus for driving...

Pulsed high voltage radiography system power supply having a...

Pulsed illumination projector

Pulsed laser excitation source

Pulsed light source

Pulsed xenon arc lamp operating circuit